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The four smaller inner planets, Mercury, Venus, Earth and Mars, also called the terrestrial planets, are primarily composed of rock and metal. The four outer planets, the gas giants, are substantially more massive than the terrestrials. The two largest, Jupiter and Saturn, are composed mainly of hydrogen and helium; the two outermost planets, Uranus and Neptune, are composed largely of ices, such as water, ammonia and methane, and are often referred to separately as "ice giants". (wikipedia)
What else can I help you with?
Why are some planets bigger than other?
because when god made the planets he made explosions everywhere to make planets. some explosions were bigger than others.
Why are all planets circle in shape why arent they other shapes?
We don't know there are only 8 planets in our solar system & these are all round.But there are billions of planets in just our Milky Way is it possible that some we find won't be round.One of the moons of Mars is potato shaped.
Why don't any other planets have any air and gravity?
All planets have gravity- Some more than Earth, some less. Other planets that are large enough do have air- but not made up of the same gasses as Earth.
What other uses are there for rockets?
Some other reasons are for Discovering new planets also to find out how space is or how it was made.
Are swimsuits ment to absorb water?
some are some arent it depends on who made them
Why is Pluto so tiny?
how were planets made? well planets were made with the debris in the space. Some observed a lot of debris but some planets observed very little. And so did Pluto it observed very little , even less than any other planet.
Are hammocks waterproof?
some are and some arent. it depends you have to check on the box what material its made from
Are otter planets made out of gas?
i think the question is " are other planets made out of gas" because as far as i know there are no otter planets, although that would be cool. not all planets are made out of gas, some are gas though. neptune is a gas giant, that's just one example though
Which galaxy are planets in?
It is possible that every galaxy has some planets. We just are starting to detect some planets in other galaxies.
Are all the planets made out of rock?
No, some are made out of gas.
Are planets made out of stars?
No. Planets are objects made of some combination of rock, gas, and/or metal that orbit stars.
How was Mars made?
mars was made at the same time as the Sun and the other planets. As the Sun condensed, some of the leftover gas and dust compressed, so Mars was made.
