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RoseWind [281]
4 years ago
14

Which of the following statements is true about a light year?

Geography
2 answers:
Afina-wow [57]4 years ago
7 0
<h2>Right answer: It is used to measure long distances in space</h2>

A light year (ly) is a distance unit that is approximately 9.46×{10}^{12}km.

By definition it is <em>the distance that a photon would travel in vacuum during a Julian year (365.25 days) at the speed of light (299 792 458 m/s) at an infinite distance from any gravitational field or field magnetic. </em>

<em> </em>

In other words:

It is the distance that light can travel in a year.

This unit is used to measure large distances in space. Therefore the correct answer is D.

ZanzabumX [31]4 years ago
3 0
The answer would be D. This is used to measure long distances in space. An example would be the nearest sun Proxima Centauri is 4.22 light years away. 
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