Answers to Space Science Questions

Answers to questions about space science, astronomy, rockets, planets, galaxies, stars...

14 January 2014

Does the speed of light change as the universe expands and the distances it needs to travel across change?

08 August 2013

Could diamonds be mined out in Space? Could other planets form even better diamonds than Earth?

08 August 2013

Why does dark matter form into haloes around galaxies, but not collapse to form stars?