All rights reserved. Click here to order online. And no one has caught a molecular cloud in the act of collapsing. The origin of stars represents one of the most fundamental unsolved problems of contemporary astrophysics.
Nobody really understands how star formation proceeds.
It's really remarkable. 267, October 1992, p. 30. If stars did not exist, it would be easy to prove that this is what we expect. This site best viewed with Netscape 6 or Internet Explorer 4.0 or greater.