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The inner planets are closer to the sun, so they are warmer. That means that the gas molecules haVe enough energy to escape the gravitational field of the planet. Jupiter is made mostly of hydrogen gas which is very light, but it is also very cold, so the molecules don't move around very fast and cannot escape the gravity of Jupiter. The other gas planets are even colder. If you look at the gases that ARE on the inner planets, you will find that they are generally heavier, like nitrogen, oxygen and carbon dioxide so their molecules cannot gain enough speed to escape the gravity of the planet.
What else can I help you with?
For what reason did the inner planets not collect gas like the gas giants did?
The inner planets did not collect gas like the gas giants because the intense heat and solar wind from the young Sun blew away most of the lighter gases, leaving mostly heavier elements to accrete into rocky planets. The gravity of the inner planets was not strong enough to hold onto light gases due to their proximity to the Sun.
Why did the inner planets not collect gas like gas giants did?
The Sun's gravitational force is theorized to have swept up so much gas in the area of the inner planets and prevented them from acquiring much additional material from their surroundings. Thus, the inner planets initially ended up with no satellites.
None of the inner planets have what?
none of the inner planets
List inner planets and why they are inner planets?
The inner planets are Mercury, Venus, Earth, and Mars. They are "inner" because the are the first 4 planets from the Sun.
What is the next thing after the inner planets?
After the inner planets you get the outer planets.
Who has higher density inner planets or outer planets?
Inner planets
What are the inner planets sometimes call?
the inner planets are sometimes called Terrestrial Planets
Is a Jovian planets is call Inner?
Inner planets are terrestrial planets outer are jovian planets
Do the inner planets or the outer planets get more of the sun's energy?
the inner planets
How do you use inner planets in a sentence?
I hesitate to admit that I was raised on one of the inner planets. The inner planets are not gaseous, like the outer planets.
What do the outer planets have that the inner planets do not have?
outer planets are gas giants whille inner planets are just rocky planets. that includes that outer planets have significant amount of mass than the inner planets
The important characteristics of inner planets?
That they all inner planets
