Cosmology

13 June 2017

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...

13 June 2017

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?

13 June 2017

Cosmology and symmetry go hand in hand. If there are black holes, are there such things as white holes as well?

23 May 2017

When on the moon, astronauts have many things to contend with, not least temperature and space debris.

23 May 2017

What are the stats for accidents involving space crafts? How does landing compare to launch in terms of safety?

23 May 2017

I've heard that muscles can waste in space because of decreased gravity. Does that mean astronauts return to Earth...

23 May 2017

How much energy is in moonlight, and could solar panel technology be used to capture this energy?

23 May 2017

I know there have been many missions to the moon and it's incredible to think humans have walked on its surface!...

07 March 2017

What will the Event Horizon Telescope see?

07 March 2017

What's so special about the size of the Earth that makes life more likely?

07 February 2017

How do we get back to earth from the moon?

07 February 2017

Seeing as Earth is just right for life, does that make hunting for ET futile?

07 February 2017

Can we make gravity by spinning a spaceship?

10 January 2017

Theoretically, there many be many universes but why do we think this?

05 April 2016

Is it technically possible for two planets to share the same orbit, as in exact polar opposites to each other...