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Bob516

Former undergraduate physics and astronomy major, many decades ago.

I'm writing a science fiction novel, and want my use of science and technology to be as accurate as possible, and to use real world information to give added detail to the scenes in my book.

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  • Member for 2 years, 6 months
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  • Last seen May 6 at 15:09

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14 At Mars' equator how long does twilight last? Dec 20 '19
13 Whereabouts of the Pleiades May 12 '19
9 How much is usually deposited in a Mars regional dust storm? Dec 16 '18
8 Why is Ganymede's aurora only visible in ultraviolet while Earth's is bright green and red? Jan 14 '20
7 Is the gravitational field of the sun uniform? Jul 4 '20
7 Are meteors visible on Mars? Dec 18 '19
7 Are any bow shocks seen in the visible spectrum? Jun 7 '19
6 Closest stable orbit about the sun of an asteroid? Jul 20 '20
6 When do radio and tv signals become indistinguishable from background noise of the universe? Nov 14 '19
6 Could Ganymede's aurora be seen with the naked eye? May 14 '19
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