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hydrogen and helium
The planet Jupiter has no crust... It is a 'gas giant' - the gaseous composition being held in place by an immensely powerful magnetic field.
By mass or volume, in our solar system Jupiter is the planet with the most helium, the fraction being about 10% of its composition (or a quarter of its mass). The smaller planet Saturn by comparison is believed to be about 3%. There are of course many extrasolar planets identified (orbiting stars other than our Sun), which are known to be gas giants and have much larger quantities of helium in them (including one which is about 17 times as large as Jupiter), but composition is hard to estimate with accuracy at such great distances.
The composition of Jupiter's atmosphere is quite different from Earth's--Jupiter is composed mostly of hydrogen and helium, the same elements that make up most stars. In fact, we expect that Jupiter has basically the same composition as the Sun. Like the Sun, Jupiter has its own heat source, but Jupiter's heat comes from heat left over from the formation of the planet 4.5 billion years ago, and heat produced today due to the slight contraction of the planet under its own gravity. This means that Jupiter's composition might be very much like the original solar nebula from which it--and the solar system--formed, so investigating Jupiter's atmosphere is a way for us to investigate the early solar system.
There is a large file on Jupiter's composition and other facts - in Wikipedia !
Jupiter is mostly gasses- 75% hydrogen 25% helium
Jupiter has no surface. It is a gas giant.
Jupiter is composed of mostly liquid metallic Hydrogen, some Helium, and molecular Hydrogen. There are thought to be a mixture of elements in the core.
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Jupiter is composed of tiny rock fragments and dust.
hydrogen and helium
Jupiter is about the size of 300 Earths put together.
90percent hydrogen 10percent helium
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Jupiter's atmosphere is comprised of about 90 percent hydrogen and 10 percent helium. Jupiter is a gas giant and has no real solid surface.
jupiter is know for the larges plant