It was over to planetary geologist David Rothery
And how are planets born in the first place?
Chris Smith put this question to planetary geologist David Rothery
Will lunar living be in the near future?
And how do they form?
Why is there so much distance between them?
Does the size of a planet determine the size of the life forms that live there?
Dark matter exists all throughout the universe...right?
Things get very strange indeed inside a black hole, but what would Earth look like?
Could we eat aliens?
What's the difference between allergy and intolerance?
Should we be worried about an asteroid apocalypse?
What can we learn from studying the sun?
Gravity shields - sci fi or sci fact?
Is Venus the only one...?
Any why do we have two tides a day?
How big can star systems get?
And how do know the colours of planets?
Could it spin forever?
It's difficult to look into the sun or visit this giant ball of fire, so how do we know that it rotates on its own...
Once it's flung off into space, what actually happens to used spacecrafts?
Can you get green stars?
Jupiter is referred to as a gas giant, does this mean it is gas all the whole way through, and you could fly through it?
Cosmology and symmetry go hand in hand. If there are black holes, are there such things as white holes as well?