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

Franco Cole

Physics

10 May, 23:59

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?

Arely Burnett · 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.)

Gianni Valdez · Answer 2

C

Explanation:

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