What is the order of the planets in terms of age from youngest to oldest?

Answer 1

A planet's age is a little less than Sun's age of 4.6 billion years. Gas planets might be little younger than rocky planets.

The Sun is 4.6 billion years old.

Planetesimals, or tiny space objects, are the precursors of planets.

combining (coalesce) to create bigger planets.

This could have occurred roughly during the same time frame of millions of

years from now or later.

The age of the Earth is 4.53 billion years, maybe a bit older.

The formation of gas planets from such planetesimals at longer

Longer distances from the vast solar surroundings might have required more time.

longer than that of the planets that are closer to Earth.

Solar-center.stanford.edu/FAQ/Qage.html is the source.

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Answer 2

John Alexander

The order of the planets in terms of age from youngest to oldest is as follows:

Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.