Back to Article List From the October 2008 issue Astronomers have estimated star diameters from their colors and brightnesses, but modern interferometers can measure them directly. How do the two methods compare? Dale E. Adams, Wichita Falls, Texas By Astronomy Staff | Published: October 27, 2008 The two methods complement each other.
Human Spaceflight, Science Ask Astro: How fast could a ship reach light-speed without crushing its human occupants?
