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...
05 April 2016
Is it technically possible for two planets to share the same orbit, as in exact polar opposites to each other...
09 February 2016
Space is full of stars giving off huge amount of energy. So, why is it so chilly?
18 August 2015
Where are we within the universe? Joanna Kerr asks astrophysicist Dr Sean McGee from the University of Birmingham.
04 August 2015
Are wormholes science fact or fiction? James Farr investigates...
28 July 2015