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 21 May 2017

Ask An Astronomer Anything At All About Astronomy (XL)

That's Roman numeral 40, of course, not "extra large". What a lot of questions !

1) How can you get nothing out of nothing, before the Big Bang ?
This is literally as good an answer as anyone else will tell you, 'cept they'll make it sound more sciencey.

2) Is gravity a constant or does it change with the size of each object ?
Gravity is determined entirely by the mass of your mum.

3) Why is the Moon leaving Earth ?
That too relates to your mum. Best not to ask.

4) If spatial topology reveals itself to be constitutively hyper-toroidal, are doughnuts a good source of nutrition ? 
Mmm, doughnuts...

5) How come gravity is stronger on smaller objects ?
It just is.

6) How come we're not squished into puddles of goo because of gravity ?
That sounds like a challenge to me !

7) Does the Moon have a real name ?
Yes, it's Mickey. Mickey the Moon.

8) What do you think of this video about NASA being speechless about the discovery of a super-powerful object billions of light years away ?
It's quite silly.

9) Is it important to clean the Arecibo telescope every time a bird poops on it ?
Oh yes. That's what graduate students spend most of their time doing, when they're not making tea, of course.

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