|
giant star| Member of a class of stars located at the top right pf the Hertzsprung-Russell diagram, characterized by great size and luminosity. Giants have exhausted their supply of hydrogen fuel and derive their energy from the fusion of helium and heavier elements. They are roughly 10–300 times bigger than the Sun with 30–1,000 times the luminosity. The cooler giants are known as red giants. |
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
?Sign in  |
|---|
|
|
|