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2007-07-09 23:37:12 · 2 answers · asked by prakruthi v 1 in Science & Mathematics Physics

2 answers

I'm not sure quite what you are asking.

In astronomy there was a technique for measuring brightness of stars: photographic magnitude

It is not used now.

2007-07-10 00:00:26 · answer #1 · answered by Orinoco 7 · 0 0

A photo showing the brightness of a star.

2007-07-13 04:01:18 · answer #2 · answered by johnandeileen2000 7 · 0 0

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