Follow the reluctant adventures in the life of a Welsh astrophysicist sent around the world for some reason, wherein I photograph potatoes and destroy galaxies in the name of science. And don't forget about my website,

Sunday 15 November 2015

Ask An Astronomer Anything About Astronomy (IX)

A busy week, bringing the total number of questions to 97.

1) Can you ever escape the gravitational field of an object ?

2)  How fast are we moving away from the Big Bang ?
We're not.

3) How many stars are born in our galaxy every year ?
A few.

4) How can we see other galaxies given how many stars are blocking the view ?

5) How can a rocket move in space given that there's no air to push against ?
They're a hoax.

6) Do stars explode when they're old or young ?

7) Could a rogue star disrupt our Solar System ?
Yes, but it won't.

8) If two stars interacted, could they merge ?

9) What will happen when the Milky Way and Andromeda merge ?
A bunch of stuff.

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