Stars How do stars move inside a globular cluster? Do they orbit a black hole, like the stars in the Milky Way Galaxy?
Galaxies After the Andromeda and Milky Way galaxies finish merging in a few billion years, what will happen to the other galaxies in the Local Group?
Science What would we see if the solar system were located in a dark nebula like the Coal Sack? Would things look much different from inside a bright nebula such as the Orion?
