GRAVITATION MOTION
GRAVITATIONAL
Is one of the four basic interactions in nature and is the weakest among them.
Is one of the four basic interactions in nature and is the weakest among them.
Universe
Are all the matter, energy and space that exist.
Astronomy
Is the branch of science which deals with
the study of the universe.
It is an observational science rather than an experimental
science.
Astrophysics
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