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 | Last updated on May 18, 2023 “The new comet will be 30 degrees above the western horizon at sunset.” “Venus is 1½ degrees from the Moon tonight.”
Alien Life Potential signs of life on distant planets sound exciting — but confirmation can take years