What is the absolute brightness of Betelgeuse?

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  • What is the absolute brightness of Betelgeuse?


The pink arrow at the star on left labeled α indicates Betelgeuse in Orion. ... Absolute magnitude (M V) ... The variation in Betelgeuse's brightness was ...
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Positive: 58 %
Betelgeuse is a "red supergiant" star which is nearing the end of its life. As it has swelled in size over the past few hundred thousand years, ...
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Positive: 55 %

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apparent brightness The brightness that a star appears to have, ... or absolute, brightness). ... Betelgeuse, and Algol. Obtaining ...
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Positive: 58 %
... noticed that Betelgeuse had changed in brightness. ... giving it an absolute visual magnitude of -5.1 (based on a HIPPARCOS Vmag= 0.45) ...
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Positive: 53 %
The Magnitude scale page for ... Absolute magnitude is a ... realisation that Betelgeuse has dimmed slightly in brightness since it was ...
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Positive: 39 %
So the absolute magnitude of a star is the ... Betelgeuse is the ... and apparent brightness: find the difference in absolute ...
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Positive: 16 %

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