Back to Article List From the February 2011 issue Ask Astro web extra: Does a star stay at the same spot in the sky everyday? If not, is it considered a star, or some other unidentified object? Associate Editor Liz Kruesi By Astronomy Staff | Published: February 21, 2011
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?
