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amateurAstro

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

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  • Member for 1 year, 6 months
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7 Why does ionizing radiation hamper radio communication? Jun 19 '19
4 Why is the drag force proportional to $v^2$ and defined with a factor of $1/2$? Jun 21 '19
4 Can the event horizon of a black hole increase its size due to accelerating mass? Jun 21 '19
3 What macroscopic, classical fields exist? Sep 16 '19
3 Photon near a black hole - find distance of closest approach from impact parameter Sep 29 '19
2 Why does gradually increasing refractive index coating reduce reflection? Sep 22 '19
2 Does the effect at Brewster's angle apply for all angles greater, or only at that angle? Jun 22 '19
2 Termination of field lines between two positive charges Jun 26 '19
1 Electric Flux; Number of lines passing through a unit surface? Jul 18 '19
1 Final Image Position with Multiple Lenses Jun 24 '19
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