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Yes, the large and more massive outer planets are made mainly from Hydrogen and Helium. They are less dense than the smaller terrestrial planets.

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Q: The Jovian planets are more massive but less dense than the terrestrial planets?
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How does the chemical composition of the terrestrial planet atmospheres differ from the Jovian planets?

Jovian planets are less dense when they Are compared to terrestrial planets because they are Mostly composed of hydrogen gas.


Why are the Jovian planets so much larger than the terrestrial planets?

No, they are less dense as the majority of their volume is composed of very light hydrogen gas. A jovian planet may have a core that is denser than that of a terrestrial planet but, as this is dense, it is not all that large. The hydrogen atmosphere is very large and therefore anti-dense (if you know what I mean). The lightness therefore dominates.


Why are the densities of terrestrial planets greater than Jovian planets?

Yes. The Terrestrial Planets (Mercury, Venus, Earth and Mars) are primarily composed of rock, whereas the Jovian Planets (or Gas Giants) (Jupiter, Saturn, Uranus and Neptune) are composed of gases, and thus their densities are significantly less. For example The Earth has a mean density of approximately 5.5g cm3 whereas Saturn has a mean density of 0.687g cm3 which is less than water. If you could find a bath large enough and enough water, Saturn would actually float.


Which group of planets shares the most characteristics?

Both Jovian planets and Terrestrial planets share a similar amount of characteristics. For example, Jovian planets are gaseous, large and farthest from the sun. While Terrestrial planets are rocky, dense, closest to the sun and small (in comparison to Jovian planets). The two planets with the most similarities are Venus and Earth hence them being called "sister planets" due to to their similar masses.


What sort of surfaces do the inner planets have?

The inner, or terrestrial planets are more dense than the outer planets/gas giants/jovian planets. Through a process of differentiation we find inner planets to typically consist of a molten iron core and a less dense silicate crust.

Related questions

How does the chemical composition of the terrestrial planet atmospheres differ from the Jovian planets?

Jovian planets are less dense when they Are compared to terrestrial planets because they are Mostly composed of hydrogen gas.


Why are the Jovian planets so much larger than the terrestrial planets?

No, they are less dense as the majority of their volume is composed of very light hydrogen gas. A jovian planet may have a core that is denser than that of a terrestrial planet but, as this is dense, it is not all that large. The hydrogen atmosphere is very large and therefore anti-dense (if you know what I mean). The lightness therefore dominates.


Why are the densities of terrestrial planets greater than Jovian planets?

Yes. The Terrestrial Planets (Mercury, Venus, Earth and Mars) are primarily composed of rock, whereas the Jovian Planets (or Gas Giants) (Jupiter, Saturn, Uranus and Neptune) are composed of gases, and thus their densities are significantly less. For example The Earth has a mean density of approximately 5.5g cm3 whereas Saturn has a mean density of 0.687g cm3 which is less than water. If you could find a bath large enough and enough water, Saturn would actually float.


Which group of planets shares the most characteristics?

Both Jovian planets and Terrestrial planets share a similar amount of characteristics. For example, Jovian planets are gaseous, large and farthest from the sun. While Terrestrial planets are rocky, dense, closest to the sun and small (in comparison to Jovian planets). The two planets with the most similarities are Venus and Earth hence them being called "sister planets" due to to their similar masses.


What sort of surfaces do the inner planets have?

The inner, or terrestrial planets are more dense than the outer planets/gas giants/jovian planets. Through a process of differentiation we find inner planets to typically consist of a molten iron core and a less dense silicate crust.


What is the difference between Jovian and Terrestrial planets?

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


Which jovian planet is most dense?

The Jovian planets are Jupiter, Saturn, Neptune and Uranus. Of these planets, Neptune is the most dense, at 1.638 grams per cubic centimeter.


What are the dense planets around the sun?

The four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars. Although much smaller and not as massive as the outer gas giant planets, they are more dense.


How do the densities of the jovian planets compare with the densities of the terrestrial planets?

Although a lot more massive, the four outer gas giant planets are less dense than the inner rocky planets. The densities of the four inner planets are between 3.94 g/cm3 to 5.515 g/cm3, ehile the outer gas planet densities range from 0.7 g/cm3 to 1.76 g/cm3.


How do the terrestrial planets differ from the Jovian planets?

The jovian planets have no solid ground just compressed gases the terrestrial planets have solid ground. The Jovian planets are named gas giants because they are farther then the sun and are not solid and the terrestrial planets are closer to the sun and do not have as much gases.


Is Pluto denser than the terrestrial planets?

No. Pluto is significantly less dense than the terrestrial planets. A large portion of Pluto is made of ice, which is less dense than thr eock and metal that compose the terrestrial planets.


Which terrestrial planet is least dense?

There are for terrestrial planets which are also the planets nearest to the sun. The four terrestrial planets are: Mercury, Venus, Earth, and Mars. The least dense planet among the four is Mars.