The star Betelgeuse is about 600 light-years away. If it explodes tonight,

A. we'll know because debris from the explosion will rain down on us from space. B. we'll know it immediately because it will be brighter than the full Moon in the sky. C. we won't know about it until 600 years from now. D. none of the above.

Question

Physics

Kaia Cline

27 October, 11:19

The star Betelgeuse is about 600 light-years away. If it explodes tonight,

A. we'll know because debris from the explosion will rain down on us from space. B. we'll know it immediately because it will be brighter than the full Moon in the sky. C. we won't know about it until 600 years from now. D. none of the above.

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Answers (2)

Know the Answer?

Avery Pope · Answer 1

The star Betelgeuse is about 600 light-years away.

If it explodes tonight, we won't know about it until 600 years from now. (C)

(Maybe it already has. If it exploded any time after the year 1419, we have no way to know it yet.)

Ayanna Buchanan · Answer 2

C

Explanation:

It has to travel 600 light years before we would be able to observe the explosion.