scvLurleaukiwr scvLurleaukiwr

23-11-2016
Physics

Answered

If a star is 10 light-years away from us and it explodes today, when will we know that it exploded?

today

10 years from today

10 parsecs from today

Verified Answer :

Greenleafable Greenleafable

02-12-2016

Well, one light year is the distance in which light travels in one year. So, if a star is 10 light-years away from us, and it explodes today, we will know that it exploded 10 years from today.

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