Carla Garcia Spring 2011
Gemmalyn Laxa-Ubando Fall 2012

Star Formation

This page is on the formation of stars. Stars are born and formed within the clouds of dust and scattered throughout most galaxies. As these clouds collapse, the material at the center begins to heat up known as a protostar. It is this hot core at the heart of the collapsing cloud that will one day become a star. All the links on this page will help give more understanding to the formation of stars.




Chandra image of the Coronet Cluster
Chandra image of the Coronet Cluster

http://www.nasa.gov/images/content/189284main_coronet_516.jpg



Title: The Formation of Stars
http://www.haydenplanetarium.org/resources/ava/stars/S0801starform
Date Updated: 2012
Date Reviewed: December 6, 2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience: General Public
Paragraph: It is a movie that shows images, taken with various telescopes, of one star that was formed in Orion Nebula star cluster. The author also gives a brief analogy of the process.



external image how-are-stars-formed-diagram.jpg
how‑are‑stars‑formed‑diagram.jpg


Title: How Stars are Formed
http://science.nasa.gov/astrophysics/focus-areas/how-do-stars-form-and-evolve/
Date Updated: October 16, 2012
Date Reviewed: December 5, 2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience: College students and Astronomy teachers
Paragraph: This website has a simple explanation of how stars are formed. Consequently, the study of the birth, life, and death of stars is central to the field of astronomy. This is a website that is easy for anyone interested in learning about the way stars are formed.



Big Bang Star Formation
Big Bang Star Formation

bigbang_star_formation.jpg



Title: Life Cycle of Stars
http://library.thinkquest.org/26220/stars/formation.html
Date Modified: unknown
Date Reviewed: December 6 ,2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience: Students
Paragraph: This website helps individuals understand the life cycle of stars from their formation to the death of a star. It is very informative for anyone that needs information for reports or just pure knowledge.




Title: A Ten Step Program for Star and Planet Formation
http://www.cfa.harvard.edu/COMPLETE/learn/star_and_planet_formation.html
Date Modified: Wednesday, November 9, 2005
Date Reviewed: December 6, 2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience: College students and Astronomy teachers
Paragraph: This website has a simple explanation of how stars are formed. The formation of stars are broken down into ten steps. Step one starts with clouds of gas forming within a galaxy to the complete formation of the star. This website is straightforward, but it requires to know some astronomy vocabulary in order to understand what is being explained. I like this website because it is simple to understand once you know the vocabulary being used.



The Formation of Stars.  Cepheus B, molecular cloud located in our Milky Way..
The Formation of Stars. Cepheus B, molecular cloud located in our Milky Way..



























Title: the Formation, Evolution and Death of Stars
http://www.odec.ca/projects/2002/wongj/public_html/formation.html
Date Modified: unknown
Date Reviewed: December 6, 2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience: General Public
Paragraph: This website is very informative for anyone wanting to get extensive information on formation, evolution, and the death of stars.



Title: How Does a Star Form?
http://www.universetoday.com/24190/how-does-a-star-form/
Date Modified: January 26, 2009
Date Reviewed: December 6, 2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience:Students
Paragraph: This website has an explanation on how stars are formed. The formation of stars can happen one of two ways. It can either collide with another dense molecular cloud or it can be near enough to encounter the pressure caused by a gigantic supernova. It also talks about the life cycle that a star lives. This website is easy to understand and has other links to websites such as NASA and stars that are forming in galaxies close by.



external image star-formation-825x743.jpg
http://news.discovery.com/space/2010/03/22/star-formation-825x743.jpg


Title: Star Formation
http://abyss.uoregon.edu/~js/ast122/lectures/lec13.html
Date Modified: unknown
Date Reviewed: December 6, 2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience: College students and Astronomy teachers
Paragraph: This website explains the formation of stars and the different phases the star goes through as it is forming. After core clumps start collapsing it takes 10 million years to become a protostar. Once a protostar is stable enough in its early phase in its life it can become a T-Tauri star. This website has a good explanation and has animation pictures that help explain what is happening during the formation. The only bad thing about this website is that it uses astronomy vocabulary that the average person doesn't know. It would be a good idea to look up the words beforehand so the vocabulary is clear.



Title: Lives and Deaths of Stars
http://www.astronomynotes.com/evolutn/s3.htm
Date Modified: June 8, 2010
Date Reviewed: December 6, 2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience: Students
Paragraph: This website explains the first two steps in the formation of stars. What I like about this page is that it goes into detail about each step.it also gives examples of stars' formations such as the Orion Molecular Star Complex. The website gives good explanations about the processes and also has links to photographs taken by the Hubble Space Telescope of a nebula.



external image FG19_06.jpg
http://physics.uoregon.edu/~jimbrau/BrauImNew/Chap19/FG19_06.jpg


Title: Star-forming Region
http://www.spacetelescope.org/videos/astro_ao/
Date Modified: March 10, 2011
Date Reviewed: December 6, 2012
Reviewed by: Gemmalyn Laxa-Ubando
Audience: Students and teachers
Paragraph: This website has a video of a star-forming region in space. This is helpful for people who are more of visual learners. The video is 24 seconds long and is a 3D animation of nebulae in a star-forming region. It is an animation of what the Hubble Space Telescope can see while it is in space. I would recommend this page to those who prefer seeing a visual image instead of reading it.