Stars are the jewels of a dark night sky. We imagine mythological beings in their patterns. But what are

they exactly? Stars are suns that vary in age, size and intensity. If any could swap places with our sun,

dire consequences would likely follow. Some would freeze our planet. Others would swallow Earth

completely! Emeritus Associate Professor of Astronomy and Planetary Science Dr. David Koerner will

have you considering stars in a whole new twinkling light!