When on the moon, astronauts have many things to contend with, not least temperature and space debris.
What are the stats for accidents involving space crafts? How does landing compare to launch in terms of safety?
I've heard that muscles can waste in space because of decreased gravity. Does that mean astronauts return to Earth...
How much energy is in moonlight, and could solar panel technology be used to capture this energy?
I know there have been many missions to the moon and it's incredible to think humans have walked on its surface!...
What will the Event Horizon Telescope see?
What's so special about the size of the Earth that makes life more likely?
How do we get back to earth from the moon?
Seeing as Earth is just right for life, does that make hunting for ET futile?
Can we make gravity by spinning a spaceship?
Theoretically, there many be many universes but why do we think this?
Is it technically possible for two planets to share the same orbit, as in
exact polar opposites to each other...
Space is full of stars giving off huge amount of energy. So, why is it so chilly?