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September 18, 2014

September 18, 2014

Posted by **Kelly** on Friday, May 30, 2008 at 7:32pm.

What is brighter a red giant or a white dwarf and why?

Thanks <3

- Space -
**drwls**, Friday, May 30, 2008 at 7:42pmSee http://www.esse.ou.edu/fund_concepts/Fundamental_Concepts1/Universe/Classifying_Stars.html#Type_of_stars_and_related_objects

White dwarfs evolve into red giants when the hydrogen runs out at the center (unless they are much more massive than the sun and become supernovas). Red giants are larger but much cooler than white dwarfs and their net light output (absolute brihtness) is less.

- Space -
**SraJMcGin**, Friday, May 30, 2008 at 7:43pmThank you for using the Jiskha Homework Help Forum. Try the following:

http://imagine.gsfc.nasa.gov/docs/dict_qz.html

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