Astronomy
Why Do Stars Shine?
[/caption] Head outside on a dark night and look up into the night sky. If you're away from the bright…
Size of Stars
As you probably can guess, our Sun is an average star. Stars can be bigger than the Sun, and stars…
Mass of Stars
[/caption] Stars can range in mass from the least massive red dwarf stars to the monstrous hypergiant stars. Let's take…
Supergiant Star
[/caption] If our Sun is an average sized star, there are some true monsters out there. They're the supergiant stars,…
Variable Stars
[/caption] Ancient astronomers thought that the stars were unchanging, perfect spheres in the heavens. But thanks to the telescope, modern…
White Stars
[/caption] Stars can look many colors, from the dim red dwarfs to the bright blue supergiants. But what about white…
Yellow Stars
[/caption] We know there are red stars, and we know there are white and even blue stars, but are there…
Young Stars
[/caption] Stars like our Sun will spend billions of years in the main sequence stage of their lives, steadily converting…
New high-res maps suggest little water in moon
[/caption] New maps of the moon from Japan's Kaguya (SELENE) satellite suggest a lunar surface too rigid to allow for any liquid…
Ultra Compact Dwarf Galaxies once crowded with stars
Astronomers think they've found a way to explain why Ultra Compact Dwarf Galaxies, oddball creations from the early universe, contain so…