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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
The luminosity of a star is defined as

(a)   the total amount of energy emitted from its surface every second.
(b)   the amount of energy emitted from a unit area of its surface (e.g. 1 square meter) per second.
(c)   the amount of energy received over unit area at Earth's distance.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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doit_the_clown Author
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7 years ago
You make an excellent tutor!
nadiia
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Yesterday
Thanks
Roselalo
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2 hours ago
Good timing, thanks!
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