Monthly Archives: October 2019

Leonov

Posted on 12 October 2019 by pws

The death was announced of Alexy Leonov. Or Alexei. Any regular readers will know how much I enjoyed all the space stuff this summer, celebrating Apollo 11. We remember some of the old school astronauts and cosmonauts: John Glenn, Neil … Continue reading →

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Amazing number II

Posted on 10 October 2019 by pws

The Earth, as most people know, is not a perfect sphere. It bulges at the equator, due to its rotation. Usually it is called an oblate spheroid, but I think this is also not quite accurate. So, what do we … Continue reading →

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Amazing number I

Posted on 7 October 2019 by pws

I discovered a truly amazing fact the other day, one I had not seen reproduced anywhere before. The radius of the Earth is 6371km. The distance to the Moon is 382,260km. Divide one by the other and you get exactly … Continue reading →

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