Astronomy - Ch. 17: The Nature of Stars (4 of 37) What is Absolute Magnitude?

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In this video I will explain what is absolute magnitude of stars, moons...

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Wow. I love how it was well explained. Kudos

JH-clnz
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Thank you sir for explaining so clearly.

nehhaqq
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But how do we know the absolute magnitude value (M), unless the distance is already known ?

denisdralec
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what's the equation for absolute magnitude

DanielSanchez-ustc
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Sir what happens to brightness if we reduce the distance from 10pc to 1 or 5 pc??

slgzill
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From where does the formula 2.512^∆m = B2/B1 come from?

ritikasethi
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Beetle-juice is only 10 million years old and has 100 Thousands to explode.

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