Question

How to measure distance between two cosmic bodies? ​

Answer 1

Answer:

To calculate the distance to a star, astronomers observe it from different places along Earth's orbit around the Sun. If they measure the object's position several months apart, their "two eyes" will have a separation of well over 100 million miles.

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Answer 2

Answer:

Explanation:

there are many unnits to do the job but the used unit is light year which is equal to the distance travelled by light in one year.