Exoplanets

=Exoplanets=

Edited by Carina Ibarra (Spring 2018)

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 * Exoplanets are planets beyond our own solar system. "They orbit a star other than the Sun and over 2000 exoplanets have been discovered since 1988. Specifically, 2098 planets in 1342 planetary systems including 509 multiple planetary systems as of 24 March 2016 with NASA's Kepler Space Telescope (Wikipedia)". These worlds come in a huge variety of sizes and orbits. Some are gigantic planets hugging close to their parent stars; others are icy and some rocky. As of today, Astronomers are continuing to look and search for more planets to discover to further tackle the ultimate question if life on these planets is possible. **

Phys.org []

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 * Overview:** The article, "Astrophysicists find five-planet system with most Earth-like planets" discuses the possibility of life on newly discovered planets found by NASA’s Kepler mission. Although, the article mainly focuses on two newly discovered planetary systems having three super-Earth-size planets in the (Habitable zone); meaning these new planets could possibly support liquid water; which means the possibility of life. =====

**Reviewed**: Carina Ibarra

 * Last Edited:** NA

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 * Accuracy:** Since the date the article was published (2013) I haven't found any errors or incorrect content since then. Although, their are possibilities that soon new Kepler Mission will find/ provide new information and evidence to prove if there is indeed possible life on these new earth like planets.=====

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 * Readability & Clarity:** Easy to read and I appreciated that the article provided definitions on words for its readers to understand the content clearer. Along with some quotes from NASA representatives to show that the information provided was accurate. =====





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**Authors:** Elizabeth Howell, Space.com Contributor **Submitted:** March 29, 2018 **Date Reviewed:** 5/15/18 **Reviewed:** Carina Ibarra **Last Edited**: NA
 * "Exoplanets: Worlds Beyond Our Solar System" **
 * Overview: **.Article discusses the sizes of new Exoplanets discovered while also comparing them to Earth.

**Accuracy:** Provides a lot of information. While also letting its readers in on the author Howell’s background information. For instance, Howell being a contributing writer for space.com / journalists who reports regularly on space exploration. while also pursuing a PHD part-time in aerospace sciences; meaning she knows what she is providing on her articles. **Readability & Clarity:** Easy to read and enjoyed the fact that the article provided videos and pictures. **Ease of Navigation:** A lot of information provided; meaning a long article.

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<span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Authors:** Crash Course YouTube, Phil <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Submitted:** August 6, 2015 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Overview:** YouTube video states that nearly 2000 other planets have been discovered thus far; and explains the methods astronomers use to locate these new discoveries. For example, the method of transits and measurement of Doppler shifts in a star’s light. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Date Reviewed:** 5/15/18 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Reviewed:** Carina Ibarra <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Accuracy:** Video page shows the YouTube channel //Crash course// education, is based on Astronomy information while also providing links in the description box. Meaning it is accurate. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Readability & Clarity:** Very clear and straight forward. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Ease of Navigation:** Easy to follow along to because it was a video and the context was very informational.
 * <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">"Exoplanets Crash Couse Astronomy #27" **
 * <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">Last Edited: **<span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">NA


 * <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">[] **

<span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Authors:** National Aeronautics and space Administration, edited by NASA Official Brain Dunbar <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Submitted:** October 23, 2015 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Overview:** The article page is mostly based on the 20th anniversary of the first confirmed planet around a sun-like star found or located. Therefore, in celebration, leaders in the field of Exoplanet observations chose and provided pictures of their favorites among the other 2,000 known Exoplanets. Although, the one that stood out to me the most was Kepler-22b, because the planet orbits in a star's habitable zone. It's a possible water-like planet. This makes my mind race with the endless possibilities of what life-force could live on Kepler-22b. <span style="background-color: transparent; color: #000000; display: block; font-family: arial,helvetica,sans-serif; font-size: 13px; text-align: left; text-decoration: none;"><span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Date Reviewed:** 5/15/18 <span style="background-color: transparent; color: #000000; display: block; font-family: arial,helvetica,sans-serif; font-size: 13px; text-align: left; text-decoration: none;"><span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Reviewed:** Carina Ibarra <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Accuracy:** Page seems to be accurate, based on it stating it was last edited on August 6,2017 and us the community still to this day have no further information on Exoplanets. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Readability & Clarity:** Very clear and straight forward while also providing a visual observation of the topics. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Ease of Navigation:** Easy to follow along to and I personally appreciated the fact that the website even provided several links for each Exoplanets.
 * <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">“20 Intriguing Exoplanets” **
 * <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">Last Edited: **August 6, 2017.

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<span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Authors:** Space Rip. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Submitted:** January 4, 2018 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;"> **Overview:** YouTube video is based on how stars have the possibility of planets orbiting around each one. Therefore, a possibility of undiscovered planets. According to the YouTube video scientists use, wielding sensitive new telescopes and big data tools that have already detected planets around thousands of stars. Which leads to the question, if we have life in cosmos? <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Date Reviewed:** 5/15/18 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Reviewed:** Carina Ibarra <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Last edited:** 5/15/18 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Accuracy:** Recent video content, that provided somewhat new information but seems to be accurate content due to the video category being under NASA content. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Readability & Clarity:** Easy to follow along to, and pictures/ videos shown help to follow along to. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Ease of Navigation:** Easy to follow along to.
 * "Are there other Earths?"**

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<span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Authors:** NASA Content Administrator <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Submitted:** September 15,2012 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Overview:** Article is based on the discovery of Exoplanet Kepler-16b which was found by the Kepler Mission. Kepler-16b is a inhospitable, cold world about the size of the planet Saturn. Although, instead its thought to be made of half gas and rock. Lastly, Kepler-16b is said to be a <span style="color: #000000; font-family: &#39;Helvetica&#39;,sans-serif; font-size: 14px;">cold, gaseous planet. That unfortunately isn't thought to have the ability to harbor life. That said, the discovery demonstrates the diversity of planets in our galaxy. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Date Reviewed:** 5/15/18 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Reviewed:** Carina Ibarra <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Last edited:** August 7,2017 <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Accuracy:** Accurate because its been recently updated by a NASA Administrator. <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">**Ease of Navigation:** Easy to follow along to Especially because I found this website from a previous one from a link.
 * <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">“NASA Kepler Mission Discovers a World Orbiting Two Stars” **
 * <span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">Readability & Clarity: **<span style="font-family: &#39;Times New Roman&#39;,serif; font-size: 16px;">Easy to read and even compares the planet to //star wars// planets.



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 * <span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;">“What is an Exoplanet?” **

**<span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;">Submitted: **<span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;"> April 19, 2018
===**<span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;">Overview: **<span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;"> Article discusses what an Exoplanet is and how the Kepler telescope helped us humans learn that the stars above are filled with planetary companions to possible undiscovered Exoplanets. ===

**<span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;">Readability & Clarity: **<span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;">Easy to read.
====**<span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;">Ease of Navigation: **<span style="color: #000000; font-family: &#39;&amp;quot&#39;,serif;"> **Easy to follow along to and the videos provided even more educational evidence of Exoplanets.** ====

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 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">“Get ready for some ‘galactic context’: Almost 100 new exoplanets discovered”” **
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Authors: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;"> Doyle Rice, USA Today.
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Submitted: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;"> February 15, 2018 12:14pm
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Overview: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;"> Article is about NASA’s Kepler spacecraft discovers nearly 100 new potential Exoplanets outside our solar system that could have the possibility of habitable life. While some proved to not be Exoplanets some prove to be; 149/275 = 95 Exoplanets.
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Date Reviewed: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;"> 5/16/18
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Reviewed: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;"> Carina Ibarra
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Last edited: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;"> February 15,2018
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Accuracy: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;"> Accurate.
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Readability & Clarity: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Easy to read but did have pop ups.
 * <span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;">Ease of Navigation: **<span style="color: #000000; font-family: &#39;Arial Narrow&#39;,sans-serif;"> Easy to follow along to.

Below are pictures of some Exoplanets Missions and Exoplanet discoveries that I personally found highly interesting.

<span style="background-color: transparent; color: #000000; font-family: arial,helvetica,sans-serif; font-size: 13px; text-decoration: none;">Edited by Chris Ealy (Spring 2013)

[[[]]] October 25, 2012 12/09/12 Idorenyin Udoh The site is information regarding a mission proposed to explore #|Extrasolar Planets. The mission aims at getting more information on the conditions required for these planets to form and the possibility of life on them. The readability score for this site received a 42, the site is targeting specifically scientists because they want to share the knowledge they plan to go explore and bring back. The score for readability is probably not so high to reflect their audience because they market to all kinds of scientists, not all scientists can read at a 70 on this scale so they are attempting to keep it clear enough to understand for everyone.
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The page is easy to navigate at the top of the page are buttons to different topics. The layout is not so great but that is just a technical thing that can be fixed, other than that it is easy to access the information you are looking for once you get to the site.
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=The Outer Planets= [[[|http://lasp.colorado.edu/education/outerplanets/exoplanets.php#detection]]]

[] Portia Wolf August 2007 12/09/12 Idorenyin Udoh This site offers different categories of information regarding #|Extrasolar Planets (Exoplanets) The categories include Detection Methods for finding exoplanets, general properties of exoplanets, comparisons of exoplanets, and Kepler missions and how they relate to exoplanets. This site provides charts and graphs to back up the information they are relaying to their audience. By including graphical representation of evidence it shows either they put in the work to find out information about exoplanets. The readability score for this site received a 61.5, this is the highest score I have ran into during my research on exoplanets. This site is most likely for an audience of scientists and #|college students with their main interests being science.
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The page is very organized because it has different categories made to find exactly what you are looking for in a speedy manner. The site displays a simple layout so you don’t get distracted in a mess of information and graphics. You just arrive at the site and click one button to get to your destination.
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[] Dianne June 20,2010 12/09/12 Idorenyin Udoh The site offers spectacular photos of Exoplanets that have been discovered. Most of the pictures provided are artist representations but there are a few that aren’t. The webpage doesn’t have many facts on exoplanets but it does offer a link to other body’s of work the author has also worked on on the topic.
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This site is a good source for getting stunning pictures in regards to exoplanets. A lot of the ones on google are very repetitive but this site offers a vast amount of variety on Exoplanet pictures for the disposal of anyone who needs them or just is interested in looking. As soon as you get to the page all the pictures are laid out for you just scroll down and pick one you want. At the bottom of the page are more resources regarding exoplanets and the links are categorized so you can get to exactly where you want to go.
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Planetary Habitability Laboratory
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Abel Méndez
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November 4, 2012
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November 6, 2012
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Idorenyin Udoh (Fall 2012)
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<span style="font-family: Arial,Helvetica,sans-serif;">Information from this site serves as a research and educational virtual laboratory for studies of the habitability of Earth, the Solar System, and extrasolar planets. This website is essentially a directory of potentially habitable exoplanets that educators, astronomers, and everyday people may be interested in discovering more about.The website gives a lot of information for each of the planets it focuses on.
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<span style="font-family: Arial,Helvetica,sans-serif;">The site contains information other than that of exoplanets but you are sure to find what it is your looking for when you visit the site because on the homepage in very bold print is a picture link to "Habitable Exoplanets Catalog" by seeing this easily in plain view it makes the process of getting to where your looking for much easier. The readability grade the website received was a 34.9. The webpage is a catalog for anyone who is interested in habitable planets beyond our Earth so the creators of the webpage must have took that into consideration they wanted to make the website seem clear enough for a wide range of people to understand while remaining scholarly. The site appears to be credible because they are not afraid to share the work put into getting their results.
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<span style="font-family: Arial,Helvetica,sans-serif;">The site contains information other than that of exoplanets but you are sure to find what it is your looking for when you visit the site because on the homepage in very bold print is a picture link to "Habitable Exoplanets Catalog" by seeing this easily in plain view it makes the process of getting to where your looking for much easier.
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<span style="font-family: Arial,Helvetica,sans-serif;">The site is very organized for ease of finding exactly what you are looking for. Not only does the site give you a list of where you can find the already known exoplanets in the sky, there is information so that you can possibly find other planets of your own.

Sara Seager: Planetary Scientists/ Astrophysicist []||
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Sara Seager Date of publication 1998 11/27/12 Idorenyin Udoh This site you can tell is well put together, Seager dedicated a lot of time with an entire team of researchers to solely focus on exoplanets and their characteristics. Many of the points she discusses are backed up with graphs to give a visual representation of what it is she is talking about. The way the page is set up gives you background on what exoplanets are and then it is categorized into subsections with actual paper write ups for readers to access to see raw data. The audience is most likely college aged to professional individuals because it can be found on MIT’S website, most college kids are not browsing there. The readability for a passage on the site came out to 29.3. Sometimes when you are dealing with complex information such as planets and science related topics it’s best to keep the language simple even if your audience is far more advanced and I believe this is what Seager and her team did. The page is very easy to navigate and find what it is your looking for. The page is organized in categories such as Exoplanet Atmosphere, Exoplanet Interior Composition, and Exoplanet Biosignatures. Under these categories you can find information about that particular topic with links to papers written by Seager and her team about the topic as well.
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NASA / Jet Propulsion Laboratory's Planet Quest []
 * The Search for Another Earth**

Joshua Rodriguez 11/27/12 Idorenyin Udoh (Fall 2012) The Planet Quest #|website consists of many pictures and in depth explanations on five different techniques of finding an exoplanet. It is very reliable, and updated quite often. The homepage of the website lets you know right away exactly how many exoplanets have been discovered, including the ones that are still candidates and the ones that are already confirmed. The website has many informative, interesting, yet simple multimedia videos explaining the different methods of finding planets. These methods include radial velocity, astrometry, transit method, and optical detection. The website provides many links pertaining to exoplanets, even the exoplanet missions, including the Kepler Mission. The most interesting feature of the website was the 3D New Worlds Atlas which explored the exoplanet neighborhood through an Adobe link. The information that the #|website consists is very accurate and is generated by credible sources. The website is somewhat easy to navigate. Some of the tabs are self-explanatory but there are are some information that is a little harder to find. The audience of the content is students and professionals who wish to learn techniques of how to locate an exoplanet. The readability score of the content is about 57 which is a little lower than the average. However, it is appropriate for the target audience of the website. The website is fairly easy to Navigate you go to the homepage and in a way have to dig through to arrive at the information you would find useful to the subject matter you are interested in looking at. Unlike some of the other sites say for Exoplanets it isn’t directly laid out in front of you because they focus on a wide range of topics.
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Kepler Mission
 * A Search for Habitable Planets**

[] Alan Gould and Edna DeVore 11/27/12 11/27/12  Idorenyin Udoh (Fall 2012) The #|website provides essential information about NASA's Kepler Mission which is designed to discover hundreds of Earth-sized planets using a space based photometer. Viewers can learn how Kepler detects planets, the results expected to get from Kepler's science, and a broad diagram of the photometer. It provides a lot of information about the Kepler Mission and how it adds to the science behind locating exoplanets in the universe. According to experts, the first Earth-like planet orbiting a Sun-like star will be discovered in a minimum of three years or maybe longer. Kepler was launched in 2009, and has confirmed 105 exoplanets as of 11/27/12 The audience seems to be students or other researchers trying to get an update of latest discoveries about exoplanets. The readability score of text is about 40 which is definitely lower than the average so it might be difficult for some to understand. It is very easy to navigate especially because any information or data needed can be easily found through the self-explanatory tabs on the homepage.
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AstroBiology Magazine
 * Superior Super Earths**

[] Leslie Mullen 11/30/09 11/27/12  Idorenyin Udoh (Fall 2012) The #|website has a lot of fun and interesting articles to read. It is sponsored by the NASA astrobiology program, and is a web-based publication that offers daily news and features about the study of life beyond Earth. One interesting article in this website is about the "Superior Super Earths", or in other words planets like Earth that range up to 2 to 10 Earth masses which could be superior to Earth when it comes to sustaining life. This addresses the question as to why we haven't been visited by aliens. There are super sized planets that could be more interesting than the very Earth we live on. This is called the 'Fermi Paradox'. The website is updated quite often with new articles on different subjects, including exoplanets. Almost every day there is a new article that is added to the database. There is a multimedia link that has a new image everyday which provides hundreds of new pictures. Under the "Hot Topics" link located in the homepage, there is a "Deep Space" category which provides many articles about exoplanets and all the new amazing facts recently discovered. The audience of the #|website also seems to be students. The readability score of the content is 58 which is very close to the average making it appropriate for the target audience. The #|website provides accurate information that can be supported by other data. The articles in the website can be sorted by the month and year to narrow down the search which seems to be a very helpful tool thus making the website very easy to navigate.
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Exoplanets.Org
 * California Planet Search**

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Dr. Jason Wright, Dr. Geoff Marcy and the California Planet Survey 11/27/12 Idorenyin Udoh (Fall 2012) The Exoplanet Explorer #|website shows all the research for exoplanets which are sponsered by NASA, NSF, Yale, California Institute of Technology, and Penn State. The website gives a catalog of nearby exoplanets discovered. It is very technical and provided many tables and graphs to explore the exoplanets data. It gives properties of some of the exoplanet host stars, and an exploration of exoplanet parameters. The tables and data are very useful especially for those who are performing intense research on the subject. It also includes general information about projects, and an almanac of all the new planets discovered, and a scientific research section. The audience seems to be researchers who are trying to collect actual data about exoplanets. The readability score is about 50 which is lower than the average but it seems to be easily understood by the target readers The #|website consists of accurate information which was derived from credible sources. However, the website is not updated as often compared to the other websites listed above. It is easy to navigate and it gives links to any sources of the content or an outside reference.
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The Extrasolar Planets Encyclopedia
 * Exoplanet.eu**

[] Jean Schneider 11/27/12 11/27/12  Idorenyin Udoh (Fall 2012) The website provides an interactive catalog of all the exoplanets that have discovered. It was established in February of 1995 but it is still being updated regularly. The website also provides an illustration of figures about extrasolar planets. It also includes websites of all the ongoing programs, and future search projects around the globe. All the different techniques that are being used by the different countries are also listed. It bibliography link which lists several books found on the subject of extrasolar planets, and this is updated regularly as well. The content of the website is accurate but it does not seem to provide enough sources to support them. The audience seems to be students and the rest of the public who does not necessarily have to know many details about extrasolar planets. It is very easy to navigate because the format of this website is very simple especially compared to the other websites mentioned above
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__SuperWASP__
 * Wide Angle Search for Planets**

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SuperWASP is a United Kingdom's extra-solar detection program. This consists of two robotic observatories that operate continuously all year round. The website itself provides information about the observatories. It also provides updates of any latest discoveries that were made by the observatories. Under the category "Wasp Planets", there is a web page that presents different information about exoplanets. Just like one of the website provided above, it also techniques of how to detect an exoplanet. These techniques are pulsar timing, radial-velocity, astrometry, gravitational lensing and photometry.

The content of the #|website is very accurate especially compared to the information that are also listed on other credible sources. The website itself is easy to navigate but it is not very easy to find where to get more information about exoplanets. The audience of the content seems to be those who are pursuing to detect an exoplanet themselves. The readability score is 40 which is definitely lower than the average but it still seems to be accurate for the target audience.

__European Southern Observatory__
 * Reaching New Heights in Astronomy**


 * Last Updated:** November 2, 2011



The European Southern Observatory has observatories that are equipped with unique instruments for finding, studying and monitoring exoplanets. They were able to spot faint glows outside of the Solar System taking the first ever picture of an exoplanet. Their astronomers use HARPS, the High Accuracy Radial velocity Planet Searcher, to discover exoplanets orbiting a nearby star. They discovered many different sizes and masses of planets. The smallest ever discovered is a planet that has about the same mass as Earth.

The contents of the #|website are accurate especially comparing to the information found on other website as well. There are credible sources for the information that was provided. The website is easy to navigate but it's not easy to locate the link for exoplanets from the homepage. However, after clicking the link "Science with ESO Telescopes", the exoplanets well then be very easy to be located. The readability score is 39 which is very low compared to the average score which means the it might be a bit hard for others to understand the contents.

BBC
 * Extrasolar Planets**



BBC is British public service broadcaster. The BBC website has a special page that includes information about exoplanets. It gives updates regarding what is currently going on with the exoplanets research. There are TV clips and radio programs shown on the website that shows programmers discussing exoplanets. The contents of the clips shown vary from the first exoplanet found to how to hunt an exoplanet. The page also mentions what objects were used to make the observations included in the clips and who observed them.

The contents of of the clips are very accurate and have credible sources. However, the included definition of what is an exoplanet was just generated from Wikipedia, which might not be the most credible source for the information. The website itself is easy to navigate but it is definitely hard to find where the exoplanets page is. It can be found under science, then space, then universe, then sights and finally, exoplanets. The easiest to get to this is to look up exoplanets in the search bar. The readability score of the contents is 45.5 which is lower than the average but still seems to be higher than the other websites about exoplanets.

The Planetary Society
 * Your Place in Space**


 * Chief Editor and Executive Producer:** Helen Matsos



The AstroBiology website describes that astronomers have discovered over hundreds of Jupiter-like planets in our galaxy. On the other hand, they've found a handful of Earth-like planets as well that might possibly contain life on rocky planets with liquid water. The website provides information of how our planet's interior works, such as the moving Tectonic Plates in the crust, making it possible for life to thrive on it. The page even describes how other Earth-like planets may be different in climax, size, and gravity. According to the page, astronomers are actually working on a mission involving the Kepler Space Telescope, that was launched this year, to travel great distances to discover new Earth-like planets.

The contents on the page are accurate but it provides a very little amount of sources to support the facts given. There are some credible sources provided on the website. The website is easy to navigate but the article that involves exoplanets is not easy to find. It is under Hot Topics, then Deep Space, then Cosmic Evolution, and finally Superior Super Earths. The audience of the page are people that are interested and curious about finding other planets very similar to Earth and possibly discovering life on them.

[|PlanetHunters.org]
 * Zooniverse**



The website is part of Zooniverse where the public can take part in actual science projects. It is not an informational website that shows facts about exoplanets. Instead, it's a website where anyone can help participate in researching exoplanets. The site gives step by step instructions on how to locate different planets around us. A good example is the image above. To find new possible planets you have to indicate sudden drops in the collection of dots.

The page does not provide too much information too learn about exoplanets, it is basically a tool to use. However, it does provide some information provided by Kepler Public Data which is a credible source. The website is extremely easy to navigate especially because it provides step by step on how to interact with the images on the page. There are many links you can get access to by clicking on the tabs at the top. The audience is any individuals who wants to participate in actual science projects that is in search of exoplanets.