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...
Will lunar living be in the near future?
Why is there so much distance between them?
Does the size of a planet determine the size of the life forms that live there?
...and how do we know?
Dark matter exists all throughout the universe...right?
Things get very strange indeed inside a black hole, but what would Earth look like?
Sunsets on the red planet aren't what you'd expect...
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?
Would Saturn's moon make a nice holiday home?
There's a big gap between Mars and Jupiter: but why?
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?