Question

explain the impact of planet size to gravity, internal heat and atmosphere of the planet​

Answer 1

Answer:

A planet's atmosphere helps shield a planet's surface from harsh radiation from the Sun and it moderates the amount of energy lost to space from the planet's interior. An atmosphere also makes it possible for liquid to exist on a planet's surface by supplying the pressure needed to keep the liquid from boiling away to space---life on the surface of a planet or moon requires an atmosphere. All of the planets started out with atmospheres of hydrogen and helium. The inner four planets (Mercury, Venus, Earth, and Mars) lost their original atmospheres. The atmospheres they have now are from gases released from their interiors, but Mercury and Mars have even lost most of their secondary atmospheres. The outer four planets (Jupiter, Saturn, Uranus, and Neptune) were able to keep their original atmospheres. They have very thick atmospheres with proportionally small solid cores while the the inner four planets have thin atmospheres with proportionally large solid parts.

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Answer 2

Explanation:

• The two most important parameters affecting a planet's surface gravity are its size and density. Planets, on the other hand, might have varying densities since they are formed of diverse materials...
• As a result, a huge planet's surface gravity will be lower than that of a smaller planet of the same mass.

• Planets produce heat in proportion to their size. Interior radioactive atoms decay, and heat is transferred from the interior to the surface by conduction and convection.
• Gravity is stronger on larger planets, and the pressure created by gravity aids in the formation of a molten interior that can drive geological activity.