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Answered 2009-04-08 02:55:50

The inner planets are known as terrestrial planets, because you can stand on them and they have a solid surface. The inner planets are:

* Mercury * Venus * Earth; and * Mars

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Mercury, Venus, Earth and Mars are often called terrestrial planets.

planets that are inside the asteroid belt

The inner plants are often called the Terrestrial planets because they are small, dense and have rocky surfaces.

Mercury, Venus, Earth, & Mars because they are the fourth closest to the sun

The four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars.

The diameter of a terrestrial and jovian planets are comparable in the sense that the objects orbiting on a terrestrial level are often much bigger than those of jovian planets.

The first four planets are often lumped together into the category of "inner" or "terrestrial" planets:MercuryVenusEarthMarsThe last four are often lumped together into the category of "outer" or "gas giant" planets:JupiterSaturnUranusNeptuneAll of the dwarf planets are terrestrial. The only dwarf planet that can sometimes be called an "inner planet" is Ceres, which orbits between Mars and Jupiter.

The cores of jovian planets are very similar to terrestrial ones. Jovian planets are simply a more evolved form of terrestrial planet contrary to popular perception. Jovian planets often have a lot of hydrogen, helium, methane, and/or volatile ices to make up its atmosphere to the point where oceans of these components cover the terrestrial core and billow the atmosphere to large proportions. Terrestrial planets absorbed less of these components from the leftover solar nebula leaving only the rocky surface and maybe some gas of an atmosphere.

Asteroids. Sometimes Dwarf planets are called minor planets also.

There is only one Jovian planet - Jupiter, and only one terrestrial planet - Earth. Your question makes no sense. Planets are categorised as being "rocky" - Mercury Venus Earth Mars, "gaseous" the gas giants Jupiter and Saturn, and "icy" the ice giants Uranus and Neptune. Jovian refers to the Jupiter and its moons. Terrestrial refers to Earth and is moon. A different viewpoint: In fact the gas giants are sometimes referred to as the "Jovian planets". Also, the inner, rocky planets are often called the "terrestrial planets". As regards the "shared characteristic", there are several possible answers. For example, they all revolve around the Sun in the same direction and in roughly the same orbital plane. The terrestrial planets are rocky and the Jovian planets probably have rocky cores, but this is not known for certain.

Venus and Earth. They are often called brother planets.

Gaseous planets are often significantly more massive than terrestrial planets. They are not primarily composed of solid rock, as terrestrial planets are, and instead consist of particles of water, hydrogen, and helium. Gaseous planets also lack a atmosphere, as the gas merely thins farther away from the gravitational hold of the center. Alternatively, one could say that gas giants are almost entirely composed of an atmosphere for a dense, small, or sometimes almost nonexistent core.

Mercury, Venus, Earth and Mars are the Rocky planets. They are called so simply because they are rocky, their outer layer is solid. All other planets in the solar system are gaseous.

The outer planets Jupiter, Saturn, Uranus and Neptune are often called the GAS GIANTS.

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)

I think of the word terrestrial as referring specifically to the earth. But in the context of your question I think you are referring to a rocky planet as opposed to a gas giant. Venus is a rocky planet, or terrestrial to use your term. There are 4 rocky planets: Mercury, Venus, Earth and Mars. Don't let the water on the Earth confuse you with the term rocky. The water is extremely shallow in astronomical dimensions. The gas planets, often called gas giants, are Jupiter, Saturn, Uranus, and Neptune. Pluto is no longer considered a planet and I do not know which category it would fall into.

Uranus is often called an ice giant. The atmosphere is mostly hydrogen and helium. But it also contains water, ammonia, and methane in icy forms. The interior is mostly ices and rock. It doesn't fit the definition of either but it is a subgroup of the gaseous planets.

Diameters of planets, planetoids, or moons are often expressed in kilometers.Diameters of planets, planetoids, or moons are often expressed in kilometers.Diameters of planets, planetoids, or moons are often expressed in kilometers.Diameters of planets, planetoids, or moons are often expressed in kilometers.

Jupiter, Saturn, Uranus, and Neptune, which are often called "the gas giants".

The Outer planets are often referred to as Gaseous planets. The others are the "inner planets" or rocky planets.

The 4 Jovian planets are Jupiter, Saturn, Uranus, and Neptune. They are often called the Gas Giants. Uranus and Neptune are sometimes referred to as "Ice Giants."

NASA calls them "free floating planets", and suspects that there may be more of them than there are stars! Science fiction writers have often used the term "rogue planets".

The planets are often grouped as the "inner planets" and the "outer planets" or as the "rocky planets" and the "gas giants." The inner planets are Mercury, Venus, Earth, and Mars. The outer planets are Saturn, Jupiter, and Uranus. (Pluto was an "outer planets" until it was redefined as a planetoid. Now that Pluto is not considered to be a planet, the outer planets are the same as the gas giants, and the inner planets are the same as the rocky planets. (Pluto was thought to be a rocky planet, or, at least, not a gas giant.

In astronomical terms, a satellite is any body that orbits another body. Planets are satellites of stars, and there are smaller "satellite galaxies" that border or orbit larger galaxies such as the Milky Way.The word moons refers to satellites of planets, dwarf planets, or asteroids. They are often called "natural satellites" to differentiate them from "artificial satellites" which are manmade devices in orbit around planets or moons.

The planets line up about every 10,000 years.

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