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The difference is that the 4 inner planets are solid. The first 2 outer planets are completely made up of gas and the last 2 planets, while also made up of gas, are mostly frozen, so scientists call them ice giants.Pluto is no longer considered a planet.
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Because they 4 inner planets are nearer the Sun, which warms them with its heat.
The inner planets
Mars is considered an INNER planet. It is the 4th of the 8 major planets in distance from the Sun, and is closer to the Sun than the Main Belt of asteroids. All 4 inner planets are terrestrial (smaller, rocky planets) while the outer planets are gas giants.*The inner planets are Mercury, Venus, Earth, and Mars*The outer planets are Jupiter, Saturn, Uranus, and Neptune.Planets past Neptune include all but one of the Dwarf planets, including Pluto, and a large number of smaller icy bodies in the Kuiper Belt.
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.
The 4 inner planets (Mercury, Venus, Earth, and Mars) are solid planets made of rock. The 4 outer planets are gas giants.
The inner planets are the first 4 planets from the sun, they are made of rock. After the in er planets is an asteroid belt. Behind the belt are the 4 outter planets. They are made of gas and are called "gas giants". These are called outter planets.
The difference is that the 4 inner planets are solid. The first 2 outer planets are completely made up of gas and the last 2 planets, while also made up of gas, are mostly frozen, so scientists call them ice giants.Pluto is no longer considered a planet.
Earth is an inner planet. The inner planets are Mercury, Venus, Earth, and Mars. The outer planets are Jupiter, Saturn, Uranus, and Neptune. The inner planets are warmer and have solid, rocky cores. The outer planets are much cooler, bigger and are mostly, if not entirely, gas.
The inner planets are Mercury, Venus, Earth, and Mars. They are "inner" because the are the first 4 planets from the Sun.
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the 4 inner planets are rock planets and the 4 outter planets are gas planets separated by the asteroid belt
None really the 4 planets next to the sun are mostly made of minerals like rock and the outer planets are pretty much just gas and other chemicals
The inner planets are similar in their composition, which is mostly iron and various types of rock.
The 4 inner planets are Mercury, Venus, Earth, and Mars. THey are considered inner planets because they are closest to the sun.
Mercury, Venus, Terra (Earth), and Mars. Yes, there are 4 inner planets. These are called the "Terran" planets.