Question

Why do planets exist

Answer 1

Answer:

Explanation:

planets exists because sun exists which is favourable to temperature

thus we exiist

thanks:)

Answer 2

Answer:

maintaining their mechanical stability over cosmically vast periods of time? Both the Earth and the Sun are four and a half billion years old, and modern scientific investigation suggests that their masses and sizes have not changed very much in all that time. Why are these bodies so exactly in equilibrium? More precisely, why is the inward-directed force of gravity so perfectly balanced by the outward-directed force of material pressure? In these bodies, the pressure comes about from the fast microscopic motions of the constituent atoms and molecules. But even our highly mobile atmosphere does not either suddenly collapse or fly off into space upon the slightest beat of a butterfly's wing. Nor do earthquakes below the surface and meteorite impacts from above provoke cataclysms of the whole Earth, even though they do cause vigorous vibrations inside it.

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