Planetary scientists in the United States believe that giant diamond chunks may be floating in the fluid hydrogen and helium atmospheres of Saturn and Jupiter, and that at certain altitudes the chunks melt and rain glitt... More »

Based on research, scientists suspect that diamonds fall from the atmosphere like rain on Neptune and Uranus. The conditions are right for this type of phenomena, such as atmospheric pressure, intense heat and carbon ato... More »

Some weird, but true, facts include that Maine is the closest U.S. state to Africa, the name Jessica was actually created by Shakespeare in his play "Merchant of Venice" and Russia has a larger surface area than Pluto. A... More »

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Neptune's atmosphere is similar to the atmospheres of other large planets and contains helium and hydrogen. It also has trace amounts of water, ammonia, methane and other ices. More »

The atmospheric gases on Saturn consist mostly of helium and hydrogen. The outer atmosphere of Saturn contains more than 96 percent molecular hydrogen and more than 3 percent helium. The upper atmosphere is separated int... More »

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The surface of Saturn is made of hydrogen, helium and a small amount of additional trace elements. The surface of Saturn is not solid, but is composed almost entirely of gas, making it impossible for any type of spacecra... More »

Saturn is the sixth planet from the sun at a distance of 886 million miles and has a composition of hydrogen and helium. Saturn was first observed through a telescope by Italian astronomer Galileo Galilei. More »