Back to Article List From the September 2008 issue Ask Astro web extra: Can an observer on Mars see Earth transit the Sun? Former Senior Editor Francis Reddy describes how an observer on the Red Planet can see Earth cross the face of the Sun. By Astronomy Staff | Published: September 22, 2008
Human Spaceflight, Science Ask Astro: How fast could a ship reach light-speed without crushing its human occupants?
