Back to Article List From the January 2008 issue Angular distance and star color Learn how to measure the sky you see and find colorful doubles stars. By Glenn Chaple | Published: January 24, 2008 “The new comet will be 30 degrees above the western horizon at sunset.” “Venus is 1½ degrees from the Moon tonight.”
Science Ask Astro: If gravity is the weakest fundamental force, why is the Sun’s gravity so far-reaching?
Exotic Objects, Galaxies Astronomers detected two major targets with a single telescope – a mysterious signal and its source galaxy
Human Spaceflight, Science Ask Astro: How fast could a ship reach light-speed without crushing its human occupants?