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Why are the first four planets in your solar system rocky and the rest gas gaints?
Wiki User
∙ 12y ago
Because of the initial expansion of the Sun when it reached nuclear fusion. This pushed the lighter elements away from the new Sun, leaving behind the rocky and heavier elements which became the terrestrial planets. The lighter gases flowed passed the "ice line" [See related question] where it was cold enough for molecules to combine into the Gas and Ice giants.
Wiki User
∙ 12y ago
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What are the 5 rocky planets?
The first four planets from sun Mercury, Venus, Earth and Mars are rocky planets other planets in solar system are gaseous or dusty planets.
How many rocky planets are in our solar system?
There are 5 rocky planets in our solar system if you count Pluto. If not, there are 4 rocky planets in the solar system.
Which planet in the solar system are rocky?
The planets in our Solar System that are rocky are Mercury, Venus, Earth, and Mars. These inner planets are also called "Terrestrial Planets."
Are gas planets smaller or bigger than rocky planets?
They are larger, at least based on the planets in our solar system.
How many planets are small and rocky?
There are four, in our Solar System.
What are the 5 rocky planets?
The first four planets from sun Mercury, Venus, Earth and Mars are rocky planets other planets in solar system are gaseous or dusty planets.
How many rocky planets are in our solar system?
There are 5 rocky planets in our solar system if you count Pluto. If not, there are 4 rocky planets in the solar system.
What are planets in the inner solar system called?
the rocky planets
Which planets are rocky in your solar system?
most of inner planets
What planets are attributed as the rocky planets in the solar system?
Pluto
Are Terrestrial planets made of gas?
No it's a rocky planet similar to that of Earth. The first four planets our solar system are terrestrial.
Are the first four planets the rocky planets?
Yes.
Which planet in the solar system are rocky?
The planets in our Solar System that are rocky are Mercury, Venus, Earth, and Mars. These inner planets are also called "Terrestrial Planets."
How many planets are rocky planets?
In our solar system, there are officially 4 rocky planets: Mercury Venus Earth Mars The small dwarf planet called Pluto is also rocky.
Which planets are often called the rocky planets and why are they called so?
Mercury, Venus, Earth and Mars are the Rocky planets. They are called so simply because they are rocky, their outer layer is solid. All other planets in the solar system are gaseous.
Is mercury a gas or a rocky terrestrial?
Mercury is a rocky planet. The inner planets (first four planets from the sun) are rocky planets (which means that you could stand on them) and are the smallest. While the outer planets (last four planets from the sun) are gas planets and the biggest.
Is Mercury a giant or a rocky terrestrial?
Mercury is a rocky planet. The inner planets (first four planets from the sun) are rocky planets (which means that you could stand on them) and are the smallest. While the outer planets (last four planets from the sun) are gas planets and the biggest.
