Stars
Stars are born, we see their light in the sky, and they die. Find out about stellar evolution, including the nebulae where stars form and the remnants they leave when they die, such as white dwarfs,
Annie Jump Cannon  Oh! Be a fine girl (guy)--kiss me! This is the traditional mnemonic for the way stars are classified: OBAFGKM. Find out about the astronomer and suffragette who devised the system and who said that astronomical spectroscopy made it "almost as if the distant stars had acquired speech." Constellations  Did you know there are 88 official constellations? Learn what they are and how to find them. On cloudy nights you can read the ancient myths and legends that tell their exciting stories. Naming Heavenly Bodies – Stars  The International Astronomical Union is the official body in charge of naming celestial objects. But how do they name stars? Do all the stars have names? Can I buy a star name for a friend? Find out here. Stellar Evolution  The life histories of stars from birth in nebula, through the main part of their lives (the main sequence) and on to the end, possibly as a white dwarf or in a supernova explosion. Stellar Misunderstandings  If stars aren't white, why isn't the night sky more colorful? If it's 93 million miles to the Sun, how many times farther away is the next nearest star? Will the Sun become a black hole and suck us in? Here's a short explanation of some common misconceptions about the stars.
Who Let the Dogs out?  Someone must have left the door open, because the skies are full of dogs. You can see the dogs of Orion and the hunting dogs of the shepherd Bootes in pursuit of the Great Bear. There is also the Running Dog Nebula and the memory of poor Laika, the first cosmonaut, who perished in space. Astronomy Homepage | Editor's Picks Articles | Top Ten Articles | Astronomy Site Map
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