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, www.rhysy.net



Sunday, 1 October 2017

Ask An Astronomy Anything At All About Astronomy (XLIII)

Although ridiculously busy for the last month or more, a small stockpile of questions have been steadily building. Here are the answers.

1) Have astronomers really imaged the event horizon of a black for for the first time ?
No.

2) What does Physicist Valhalla look like ?
Your mum.

3) How does the composition of a planet affect is gravity ?
Somewhat kinda sort not really meeeeehhh.

4) Does the spinning liquid core of the Earth affect its gravity ?
Not directly.

5) But, gravity is to do with spinning, right ?
Not on Earth it isn't.

6) Is there a nice simple formula to work out the characteristics of a planet ?
No.

7) Is FAST crippled due to a design flaw ?
I dunno.

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