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Q: What are The four giant gas planets that are made primarily of lightweight elements?
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The giant planets are composed primarily of?

Gas (primarily hydrogen)


What are two types of planets?

Two types of planets are terrestrial planets, which are small, rocky planets like Earth, and gas giant planets, which are large planets primarily composed of hydrogen and helium, such as Jupiter and Saturn.


Why are big planets not close to the sun?

The giant planets of the solar system, are composed primarily of hydrogen and helium, the lightest elements. They formed beyond what is known as the frost line. Within the frost line the sun's radiation was intense enough to strip away most of the lighter elements, leaving behind smaller planets made mostly of rock and metal. Beyond the frost line the planets were able to hold on to this material and grew massive as a result.


What planets is the giant?

The giant planets are Jupiter Saturn Uranus and Neptune.


How the sizes of the inner planets compare to the sizes of the gas giant planets?

The inner planets are smaller than the gas giant (outer) planets.


Why do the inner planets have more of the lighter elements like hydrogen and helium gas like the outer planets do?

The Sun and its planets formed form a huge cloud (disk) of dust which contained both light and heavy elements, but there were more light elements (hydrogen) than heavy. As the disk coalesced into the sun and planets the areas close to the young sun were too hot (heated by the sun) for the light elements to condense and settle onto the young inner planets which are therefore rocky, while the outer planets being further from the sun did accumulate the lighter and more volatile elements. However in the centers of the giant planets there are rocky (heavy) cores.


What is one of the most important sources of heat in the interiors of moons that orbit close to giant planets?

decay of radioactive elements within the moons.


How many rings do the giant planets have?

It depends on the term 'giant'. If 'giant' refers to larger than earth, then all of the giant planets in our solar system have 3 rings in total.


Is Jupiter a giant gas or a terrestrial planet?

Jupiter is one of the four gas giant planets, the outer planets.


What planets is the giant planet?

The giant planets are Jupiter Saturn Uranus and Neptune.


Why will we probably not find any craters on the four giant planets?

The four giant planets lack solid surfaces.


How are gas giant planets and terrestrial planets similar?

They are are not similar.