Answers to Space Science Questions

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

How far is a light-year?

04 December 2018

What, or when, would aliens see, if they looked at the earth?

17 October 2004

Does the sun affect the tides like the moon?

20 March 2003

How long until the sun is a mile in diameter?

19 March 2003

Where does the rainbow end?

17 March 2003

Why don't rockets leave big holes in the ground when they launch?

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