What, or when, would aliens see, if they looked at the earth?
Answers to Space Science Questions
Answers to questions about space science, astronomy, rockets, planets, galaxies, stars...
16 December 2007
Why is it that when you see pictures or photographs of stars they always appear as crosses?
16 December 2007
When I’ve been watching planets and stars in the night sky, why is it that the stars appear to be twinkling much more...
02 December 2007
Could an astronaut skydive from space? Would a spacesuit handle the re-entry heat?
16 September 2007