The closest known star to our solar system is Alpha Centauri, which is approximately 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the earth travels from Earth to this star

(a) How much time would elapse during the trip on a clock on board the spaceship?
(b) How much time would elapse during the trip on a clock on Earth?


(a) 3.23 y (b) 5.38 y

Physics & Space Science

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What will be an ideal response?

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Indicate whether the statement is true or false

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When a star collapses to half size, the gravitational field at its surface

A) doubles. B) quadruples. C) increases eightfold. D) remains constant.

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