Inner planets
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The inner planets of the solar system are the four planets of Mercury, Venus, Earth, and Mars Earth is the biggest out of the inner planets with a diameter of 12,756 km (7,926 miles). Mercury is the smallest with a diameter of 4,878 km (3,031 miles)

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Inner planets

The inner planets of the solar system are the four planets of Mercury, Venus, Earth, and Mars

Earth is the biggest out of the inner planets with a diameter of 12,756 km (7,926 miles). Mercury is the smallest with a diameter of 4,878 km (3,031 miles)

Have solid surfaces and thin/ no atmospheres In theory, it would be possible to stand on each of the Inner Planets nut will not b able to live.(only on earth)

The inner planets also spin slowly.

Orbit sun quickly

Only Earth and Mars have moons orbiting them. One moon orbits Earth and two small moons orbit Mars

None of the Inner Planets have rings orbiting them

Inner Planets


Outer planets
Outer of Mercury, Venus, Earth, and MarsPlanets

  • the outer planets are Jupiter, Saturn, Uranus and Neptune.

  • Jupiter, the largest planets

  • Most of the Outer Planets are made of gas. It is likely that they have a much smaller solid or liquid centre. It would be impossible to stand on any of the Outer Planets

  • the elements that make up the Outer Planets are less densely packed together causing them to be quite light for their size

  • All of the Outer Planets spin quicker than the Inner Planets

  • All of the Outer Planets have many moons orbiting them. There are 63 moons known to orbit Jupiter, 60 orbiting Saturn, 27 orbiting Uranus and 13 orbiting Neptune.

  • All of the Outer Planets have rings orbiting them


Characteristics about inner planets
characteristics about inner planets of Mercury, Venus, Earth, and Mars

  • The inner planets are all rocky planets

  • Smaller than the outer planets

  • Spaced close together

  • Few or no moons

  • Has no rungs


Comparison inner an outer
Comparison inner of Mercury, Venus, Earth, and Marsan outer


Reason pluto not a planet
Reason Pluto not a planet of Mercury, Venus, Earth, and Mars

  • Pluto Is a dwarf planet

  • It meets 2 of the 3 requirements to be a planet

  • 1) A planet must orbit the Sun.2) A planet must be round (i.e. massive enough to pull itself into a nearly round object)3) A planet must have cleared the neighborhood around its orbit.


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