Astronomy
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amateurAstro
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About

Retired applied physicist/engineer, and amateur astronomer for many years.

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Top posts
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All Questions Answers
Score Newest
answer
28
Are there any double stars that I can actually see orbit each other?
Jul 12, 2019
answer
11
Recording Spectral Lines at Home
Jun 10, 2019
answer
11
Locate stars in sky from list of (x, y) co-ordinates
Jul 19, 2022
answer
10
How "fast" do astronomical events occur?
Jun 14, 2019
answer
9
How (the heck) does Astrometry.net work?
Oct 3, 2019
answer
8
Is there a maximum Julian day?
May 24, 2019
answer
6
If the space is expanding near the speed of light or the speed of light, why Andromeda is approaching or coming near to our galaxy (Milky way)?
Jun 15, 2019
answer
6
Using a 2" filter on the 1.25" adapter
Jul 27, 2022
answer
5
Calculating Field of View of a Telescope Given Time of Another Object
Apr 4, 2020
answer
5
What is the coordinate acceleration for pure radial motion?
May 20, 2019
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8
Why does ionizing radiation hamper radio communication?

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