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Answered 2012-05-01 17:39:38

An atmosphere is a layer of gas that surrounds a planet; this gas is attracted by gravity and is greater in volume depending on the strength of the gravitational field and the temperature of the atmosphere.

The inner planets generally have less mass, resulting in a less strong gravitational field, and a warmer atmosphere meaning the atmosphere is thinner than the colder, larger outer planets.

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What was the main factor that contributed to the differences between the inner and outer planets?

The inner planets are smaller and do not have the dense atmospheres of the outer planets


What is the difference between the inner planets and the outer planets?

The inner planets are generally referred to as all the planets closer to the sun than the asteroid belt, and the outer planets are the ones further away from the sun. There is no specific physical difference besides distance, although most of the outer planets are gas giants, but being a gas giant does not make them an outer planet. Outer planets tend to be made of gas and dust particles, and are usually bigger that the inner planets. The inner planets are warmer, with rocky cores and thinner atmospheres.


Why do outer planets have a thicker atmospheres than the inner planets?

Because the outer planets are made up of mostly gas and dust particles


What is the main difference between the inner planets and the outer planets?

The inner planets are smaller, and do not have the dense atmospheres of the outer planets. The four inner planets (Mercury, Venus, Earth, and Mars) have warmer temperatures than the exteriors of the outer planets (Jupiter, Saturn, Uranus, and Neptune).The "gas giants" have very hot lower atmospheres, caused by the intense pressure. The atmospheres are mostly hydrogen, but for Uranus and Neptune there are higher levels of water, methane, and ammonia. All of the gas giants have multiple moons and rings, the most visible being the ice rings around Saturn.they are divided by inner and outer and the outer planet are the planets that have bigger planets.


What characteristics distinguish inner plants from outer planets?

Mainly, they are closer to the Sun, hence the name. Also they are smaller and therefore have much thinner atmospheres, so they show their rocky exteriors, hence they are known as the rocky planets.


Why are inner planets different than outer planets?

Inner planets. are inner & outer planets. are outer


Which planets in the solar system are referred to as the inner planets and outer planets?

The 4 Inner planets (mostly rocky and solid):MercuryVenusEarthMarsThe 4 Outer planets (mostly dense gaseous atmospheres):JupiterSaturnUranusNeptuneNotes:Pluto, a dwarf planet, was an outer planet before it got reclassified, but resembles the inner planets.The inner and outer planets are separated by the asteroid belt.When dwarf planets are included, Ceres counts as an inner planet and all the other dwarf planets count as outer planets.


Are terrestrial planets large with thick atmospheres?

no, these are the gas giants, or four outer gas planets. The terrestrial planets are the four inner planets, which are much smaller.


What is the diffenrece between inner and outer planets?

The inner planets are Mercury, Venus, Earth, and Mars. They are solid and rocky. The outer planets are Jupiter, Saturn, Uranus, and Neptune. They are gas giants, with thick atmospheres and little solid area. The inner and outer planets are separated by the asteroid belt, which runs between Mars and Jupiter.


Do only the inner planets have atmospheres?

Negative, not only do the inner planets have atmospheres, but the outer planets also have atmospheres. The masses of the outer planets are great, enough easily to hold an atmosphere. In fact it's Mercury, an inner planet, that has almost no atmosphere. True, Mercury has a less mass and the closeness to the sun make it impossible to hold on a atmosphere. As matter in fact, Mars had a atmosphere, but the solar wind had almost eaten all the atmosphere that Mars had.


Are all planets alike?

sorta there are inner and outer planets the inner planets are alike and outer planets are alike to but inner and outer planets are different.


Inner an outer planet similarities?

The inner and outer planets are The same because The Inner planets are not made out of gas The outer planets are bigger than inners The outer planets are the coldest The Inner planets are rocky The inner planets are terrestrial The outer planets can't support life The inner planets have iron cores The outer are the furthest from the sun The outer planets haveno rocky surface



The size of inner and outer planets?

the outer planets are bigger than the inner planets


How do the inner and outer planets atmosphere different?

the outer planets are gaseous and the inner planets are not


What are 3 special characteristics of the three outer planets?

The inner and outer planets are The same because The Inner planets are not made out of gas The outer planets are bigger than inners The outer planets are the coldest The Inner planets are rocky The inner planets are terrestrial The outer planets can't support life The inner planets have iron cores The outer are the furthest from the sun The outer planets haveno rocky surface


What are three differences in inner and outer planets?

The inner planets are made of rock. The outer planets are mostly gas. The outer planets have bigger gravitational pulls while the inner planets have weaker ones. The inner planets are warmer and the outer planets are colder.


What are earth's inner and outer planets?

Earth does not have inner or outer planets. Earth is one of the four inner planets.


Why do you compare outer planets to inner planets?

because inner planets are hot and outer planets are cold


What divideds the inner planets and outer planets?

an astroid beit divided the outer planets and the inner planets


What do the outer planets have that the inner planets do not have?

outer planets are gas giants whille inner planets are just rocky planets. that includes that outer planets have significant amount of mass than the inner planets


How are the inner and outer planets different?

The inner planets are all rocky planets. The outer planets are completely made up of gases. The inner planets are much smaller than the outer planets.


What is the difference between the inner and outer planets?

The inner planets are rocky, the outer planets are gas.


How are the inner planets and the outer planets different?

The inner planets are closer to the center, and the outer planets are farther from the center.


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