|
trdh
Mar 9, 2007 11:20:13 GMT -5
Post by Skull King on Mar 9, 2007 11:20:13 GMT -5
• The Hertzsprung -Russell (HR) Diagram is a graph that plots stars color (spectral type or surface temperature) vs. its luminosity (intrinsic brightness or absolute magnitude). On it, astronomers plot stars' color, temperature, luminosity, spectral type, and evolutionary stage. This diagram shows that there are 3 very different types of stars: Most stars, including the sun, are "main sequence stars," fueled by nuclear fusion converting hydrogen into helium. ...
|
|
|
trdh
Sept 8, 2008 14:25:59 GMT -5
Post by wowposter on Sept 8, 2008 14:25:59 GMT -5
|
|
|
trdh
Sept 9, 2008 2:16:26 GMT -5
Post by wowposter on Sept 9, 2008 2:16:26 GMT -5
|
|