The distance from Earth of the red supergiant Betelgeuse is approximately 643 light-years. If it were to explode as a supernova,

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4 years ago

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The distance from Earth of the red supergiant Betelgeuse is approximately 643 light-years. If it were to explode as a supernova,

it would be one of the brightest stars in the sky. Right now, the brightest star other than the Sun is Sirius, with a luminosity of 26LSun and a distance of 8.6 light-years.

Geography

1 answer:

stepladder [879] · Answer 1 · 2022-01-09T13:10:13+03:00

stepladder [879]4 years ago

6 0

Answer: The brightness of our if betelgeuse were to explode as as a supernova would by getting the ratio betelgeuse to sirius. Which would then be:

Apparent brightness of Betelgeuse

÷ Apparent brightness of Sirius=

6.9×10^4 Lsun.