If a star that is 10 light-years away from Earth explodes, gravitational waves from the explosion will reach Earth in

A) less than 10 years.
B) more than 10 years.
C) 10 years.


Answer: C

Physics & Space Science

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Physicists today consider the Bohr model of the atom to be

A) an accurate picture of a hydrogen atom. B) totally useless — of historical interest only. C) oversimplified, but nevertheless useful.

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Earth's albedo is ______________

Fill in the blank(s) with correct word

Physics & Space Science