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There are three forms of planets within our own solar system. There are the 'rocky' planets, such as Mercury, Venus, Earth, and Mars, the 'gas' planets such as Jupiter and Saturn (freely interchangeable with 'Gas Giants') and the 'ice' planets that are Uranus and Neptune.
Pluto, as you likely know, is no longer considered a planet but is now rather categorized as a 'dwarf' planet, of which there are now 40 known (and still growing) such objects that orbit our sun in the Kuiper belt.
Bonus: initially billed as our '10th' planet when it was discovered in January 5, 2005 from images that were taken on October 21, 2003 (and actually found to be larger than Pluto) 'Eris' was also 'demoted' to being just a 'dwarf' planet.
Both Pluto and Eris, had they retained their planetary status, would both be considered 'Icy' planets.
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Inner planets have large diameters like those of the gas giants?
Not in our solar system. The inner planets are smaller.
What are the outer planets like?
they are called gas giants they have no solid surfaces and are big
For what reason did the inner planets not collect gas like the gas giants did?
The inner planets did not collect gas like the gas giants did because of their closeness to the Sun. The high temperatures allow for rocky, solid surfaces to form.
How The inner planets are alike?
All the inner planets in our solar system are all terrestrial planets. They are all small rocky planets with a relatively small atmospheres when compared to the gas giants like Jupiter and Saturn or the ice giants like Neptune and Uranus. This however is not true of other stars. Many stars have large planets very small orbits.
What is bigger than all the terrestrial planets?
Gas giants like Jupiter and stars like our Sun.
Are planets mostly made out of gas?
Some are (the gas giants), but the others, like Earth, are not.
Is Mars one of the earth planets?
It is earth-like, as opposed to the gas giants, if that's what you mean.
Are there other stars beside the sun with planets around them inside the Milky Way?
yes - dozens of planets are known to exist. Earth-like planets, however, are hard to detect. Most of the planets found have been giants like Jupiter and Saturn.
Which objects are also called gas giants?
Another name for gaseous planets is Jovian planet meaning Jupiter like.
How are the inner and outer planets different?
There are a lot of differences between the inner and outer planets. First of all, they inner planets are also known as the "Rocky planets". THey are rocky, hence their name "Rocky planets". And the outer planets are also known as "Gas Giants." THey are mainly composed of gas, hence their name, "Gas Giants." Another difference is their mass. The outer planets have greater mass than the inner planets. In other words, they are heavier.The inner planets follow orbital paths which, like those of the outer planets,are centered on the sun. But the inner planets, without exception, are nearerto the sun than any of the outer planets are.
Is Saturn uranus neptune rocky planets?
No they are not a rocky planet .The outer planets are called the Jovian planets, meaning huge gas giants like Jupiter, Saturn, Uranus, Neptune
Why did all the gas planets form?
The way gas giants for is something like the way that every planets forms, first dust and small rocks start being pulled together by gravity, and then it depends on what building materials are around at the time, if it's rock then you get a planet like earth or mars, but if the biggest thing is gas then the planet is built out of the gases that are around the area
