Other videos you might like
8:51 | 2013 Apr
9:34 | 2013 Mar
7:17 | 2013 Mar
8:32 | 2013 Mar
8:46 | 2013 Mar
10:01 | 2013 Mar
6:52 | 2013 Mar
9:55 | 2013 Mar
9:56 | 2013 Mar
9:27 | 2013 Mar
Khan Academy: Birth of Stars
1,829 Views
This video belongs to the following courses
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
Stars are formed within extended regions of higher density in the interstellar medium, although the density is still lower than the inside of an earthly vacuum chamber. These regions are called molecular clouds and consist mostly of hydrogen, with about 23–28% helium and a few percent heavier elements.
Sign up now or Log in to leave a comment.
All Comments (0)