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solmaris [256]
4 years ago
5

What determines the brightness of a star in the sky?

Geography
2 answers:
fomenos4 years ago
8 0

A glance at the night sky above Earth shows that some stars are much brighter than others. ... Astronomers define star brightness in terms of apparent magnitude — how bright the star appears from Earth — and absolute magnitude — how bright the star appears at a standard distance of 32.6 light-years, or 10 parsecs.

Anna007 [38]4 years ago
7 0

how far it is in light years

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