Question

Why is the pressure so high deep inside the outer planets?
A. They have very large solid masses.
B. They have rings.
C. They have very large gas masses.
D. They are very far from the Sun.

Answer 1

Option (A): Because of their massive solid masses, the pressure inside the outer planets is quite intense.

Explanation:

• This is owing to the fact that those planets are significantly bigger than Earth. Because gravity is mostly determined based on a planet's mass and radius, the larger it is, the more gravity it has.
• Also, because the pressure deep within a planet is mostly determined by the planet's surface gravity, this is calculated as the square of the planet's surface gravity.
• Finally, the greater the planet's size, the greater the pressure deep within it.

Answer 2

Answer:

Option (A): Because of their massive solid masses, the pressure inside the outer planets is quite intense.

Explanation:

This is owing to the fact that those planets are significantly bigger than Earth. Because gravity is mostly determined based on a planet's mass and radius, the larger it is, the more gravity it has.

Also, because the pressure deep within a planet is mostly determined by the planet's surface gravity, this is calculated as the square of the planet's surface gravity.

Finally, the greater the planet's size, the greater the pressure deep within it.

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