What Are Planets Made of?

Answer

The planets are made of different materials. Some of the planets are made of gases like Jupiter, Saturn, and Neptune. Earth, Venus, Mercury, and Mars are all made of rock. Jupiter is made up of a mixture of water, hydrogen, and helium. You can find more information here: http://www.qrg.northwestern.edu/projects/vss/docs/space-environment/2-what-are-planets-made-of.html
Q&A Related to "What Are Planets Made of"
Special studies have shown that Pluto is made out of nitrogen ice with some methane and carbon monoxide, but current technology is limited and photographs of Pluto's surface are not
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One of the primary qualifications for planetary status is that the object must orbit the sun. Pluto fits this qualification, but its orbit is different than the other planetary orbits
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Planets are made of whatever happens to be floating around in space. Typically, it all starts with clouds or stellar disks of gas and dust, which begin to condense due to gravity
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Jupiter and Saturn are mainly composed of gases.
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