Homework Help: science

Posted by mike on Monday, March 30, 2009 at 9:26pm.

if a white dwarf can exist only if its mass is less than 1.4 times the sun's mass, how can a star having 5 times the sun's mass end as a white dwarf?

&

what can astronomers learn about a star from its spectral lines?

science - SraJMcGin, Monday, March 30, 2009 at 10:51pm
Try this GOOGLE Search for your first question:

http://www.google.com/search?q=white+dwarfs&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Hopefully this will help with your 2nd question:

http://www.google.com/search?q=white+dwwhat+astronomers+learn+from+a+star%27s+spectral+linesrfs&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Sra

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