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Answered 2009-08-21 09:46:53

The Jovian planets are all much larger than Earth. See related link for a size comparison

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All of the jovian planets are more massive than any of the terrestrial planets.

The main difference is size. Jovian planets are very large and terrestrial planets aren't. Jovian planets are also made of gas and terrestrials are made of rocks.

The size. The gaseous Jovian planets are far larger than the inner terrestrial planets.

Jovian Planets: Gas GiantsThe gas giants, popularly referred to as the Jovian planets, are the planets which are not composed of any solid matter. Technically speaking, the planets which have 10 times more mass than the Earth are classified as the Jovian planets. The examples of Jovian planets in our solar system, include the planet Jupiter, Saturn, Uranus and Neptune. These planets are referred to as the Jovian planets owing to their stark resemblance to the planet Jupiter, the largest planet in the solar system. Other than these four planets in our solar system, several other gas giants have been discovered in outer space.Terrestrial Planets: Inner PlanetsTerrestrial planets, also known as the rocky planets or the telluric planets, are those planets which are predominantly composed of silicate rocks. The examples of terrestrial planets in the solar system are Mercury, Venus, Earth and Mars. These planets resemble the planet Earth to a significant extent, and hence they are referred to as 'Earth-like' or 'terrestrial' (derived from the Latin word the Earth - terra). Other than the Earth, and three other terrestrial planets in our solar system, the scientists have identified a number of planets with terrestrial traits in outer space.Jovian Planets Vs Terrestrial PlanetsThat brings us back to the terrestrial planets vs Jovian planets comparison. The most basic difference between Jovian and terrestrial planets is their size. While the Jovian planets are gigantic, the terrestrial planets are considerably small. In fact, the smallest Jovian planet is 10 times larger than the planet Earth, which is the largest terrestrial planet. Even in terms of the mass, Jovian planets score over their terrestrial counterparts. The smallest Jovian planet has 15 times more mass than the Earth. The surface of the Jovian planets is made up of gases, while the surface of the terrestrial planets is made up of solid rock. Similarly, the atmosphere of the terrestrial planets is predominantly made up of nitrogen and carbon dioxide, while the atmosphere of the Jovian planets is made up of hydrogen and helium. As far as the distance from the Sun is concerned, the terrestrial planets are closer to the Sun, and hence are referred to as inner planets, while the Jovian planets are farther, and hence are referred to as the outer planets. Surprisingly, however, the speed at which the Jovian planets rotate is much faster than the terrestrial planets. The density of the terrestrial planets is five times that of water, while the density of the Jovian planets is as much as that of water. Yet another point of difference between the Jovian planets and the terrestrial planets is the number of natural satellites. While the terrestrial planets either have none or a very few (Mercury-0, Venus-0, Earth-1 and Mars-2), the Jovian planets have a large number of them.

Size, density, composition, and the rate of the rotation are used to place the planets in either Jovian or Terrestrial.

it is four times the size as earth

Because of Earth's size, and considering it as one of the smallest planets, it has a weak gravity compared to the OTHER planets. Most planets have greater gravity because of their size. Earth has a stronger gravity compared to mars, mercury, and venus.

Venus is a planet, nearly the same size as the Earth.

It is believed planets form via accretion. However, due to the large size of Jovian planets, there would not be enough time for these to form via accretion. This presents the â??Jovian Problemâ?? which contends that since these type planets abound in planetary systems, there may be another way in which these planets may form.

Earth is the laregst of the four stony planets and smaller than any of the 5 gas planets. The Link shows the size comparison more dramatically.

It is the biggest terrestrial planet, but far smaller than the four jovian planets.

Compared to some other planets in the same galaxy, yes; it is actually fractions of the size of other planets in this galaxy

Earth is a little bigger than the other terrestrial planets (Mercury, Venus, and Mars), but the immensity of the jovian planets (Jupiter, Saturn, Uranus, and Neptune) cannot be matched by Earth's. Jupiter, the largest planet, has a diameter over eleven times greater than that of Earth.

The two planets that are closest in size to Earth are it's neighbours: Venus and Mars. Of the two, Venus is nearly the same size, with a diameter of 12,104km (compared to Earth's diameter of 12,756km). Mars is smaller - almost half the size of Earth - with a diameter of 6792km.

The Earth is a planet if that is what you are asking. It is a planet in our solar system. However compared to the the relative size of other planets in the solar system earth is quite an average size.

The earth or a planet that resembles the earth in its physical characteristics. The terrestrial planets in the solar system are the earth, mercury-in-roman-religion-planet-nearest-to-the-sun, venus, and mars. These planets are approximately the same size, with the earth the largest. They are considerably denser than the jovian-planet, ranging from a specific gravity of 4 for Mars to 5.5 for the earth. Because they spin less rapidly than the Jovian planets, the terrestrial planets are less flattened at their poles.

The criteria used to distinguish between the Jovian and terrestrial planets are size, density, com­­posi­tion, and rate of rotation.

Jovian planets (gas giants, ice giants) are composed of gas, mainly hydrogen and helium. They have a solid core of rocks and ice about Earth's size, around which is a dense atmosphere of gas, including liquid gases, or even solid hydrogen in the case of Jupiter. Jupiter, Saturn, Uranus and Neptune are Jovian planets. Although their slushy outer cores are very hot and dense, Uranus and Neptune are referred to as "ice giants."Terrestrial planets are much smaller, with dense metal cores, a solid crust as a surface, and comparatively thin atmospheres. In the case of Mercury, the atmosphere is blown away by the solar wind, but for Venus is it much more dense than on Earth. The terrestrial planets are Mercury, Venus, Earth and Mars.jovian planets are rocky and terrestrial planets are gasy

you can fit 1million planets the size of earth in the sun

In size and mass it is enormous compared to it's parent planet - The Earth.

Just a bit. Venus and earth are the two closest in size of the planets in our solar system. Earth is slightly larger than Venus.

Yes. The universe is everything. It contains Earth, the moon, the planets and all of the stars. Compared to the size of the universe, Earth is not even a mote of dust.

Over 1,000 planets the size of Earth can fit on Jupiter.

its not that big it is called earths twin because, the are similar in size but earth is bigger then Venus.

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