Question

what is a star how it moves ​

Answer 1

Answer:

Simply put, it's because of gravity—because they are moving around the center of their galaxy, for example. Gravity makes every object in space move. But as most stars are far away from us and space is so big, that proper motion is very small in a human lifetime.

Explanation:

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Answer 2

ANSWER:

A star is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity. The nearest star to Earth is the Sun.

There are actually two different reasons why stars appear to move across our sky. The first is because the Earth is spinning and second because the Earth itself is moving around the Sun. ... At the same time as the Earth is moving around the sun it is spinning on it own axis (once a day).