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Like Pluto, the other trans-Neptunian dwarfs are likely composed of frozen gases and silicates, and few heavy elements. Mass estimates for such faraway objects use a number of techniques having varying degrees of accuracy. Ceres, which orbits in the asteroid belt between Mars and Jupiter, is thought to have a rocky core, a silicate mantle, and possibly liquid water beneath its frozen surface. (The unmanned NASA probe 'Dawn' will study Ceres and other asteroids when it explores the belt, beginning in 2012.)
What else can I help you with?
Where are the 4 smallest planets located?
The 4 smallest planets are also the 4 most inner planets: Mercury, Venus, Earth and Mars.
What is the smallest planet out of the 4 inner planets?
Mercury is both the smallest inner panet, and the smallest planet in our entire solar system.
Which is smallest planet?
Mercury is the smallest of the eight planets.
Are the first four planets the rocky planets?
Yes, the first four planets in our solar system are rocky planets. They are Mercury, Venus, Earth, and Mars. These planets have solid surfaces made mostly of rock and metal.
Which planet is the smallest of the gas giant planets?
Of the Jovian (gas giant) planets, Neptune is the smallest while Jupiter is the largest.
What planet is the smallest planet not including dwarf planet?
Mercury is one of the four inner terrestrial planets, or rocky planets. It is the smallest of the four and closest to the sun. It is also the smallest of all eight planets.
What is the smallest planet out of the four inner planets?
Mercury is the smallest. It's slightly bigger than the moon.
Where are the 4 smallest planets located?
The 4 smallest planets are also the 4 most inner planets: Mercury, Venus, Earth and Mars.
What is the smallest planet out of the 4 inner planets?
Mercury is both the smallest inner panet, and the smallest planet in our entire solar system.
Why are the smallest planets the densest?
because they are made of mostly metal and rock while the bigger planets are mostly made of gas
Is mercury a gas or a rocky terrestrial?
Mercury is a rocky planet. The inner planets (first four planets from the sun) are rocky planets (which means that you could stand on them) and are the smallest. While the outer planets (last four planets from the sun) are gas planets and the biggest.
Is Mercury a giant or a rocky terrestrial?
Mercury is a rocky planet. The inner planets (first four planets from the sun) are rocky planets (which means that you could stand on them) and are the smallest. While the outer planets (last four planets from the sun) are gas planets and the biggest.
What is mercury planetary type?
It's one of the eight manor planets of our solar system, although the smallest. It is also one of the four inner rocky planets, or terrestrial planets.
What are the last four planets made of?
gases
How the inner planets are similar to each other?
The four inner planets are all made of rock or are rock based but the four outer planets are all made of gas or gas based.
What does the name gas giants suggest about four of the planets?
The planets are made out of gas.
Is Mercury a gas or rock planet?
The four planets which are closest to The Sun, which are Mercury, Venus, Earth and Mars, are all classed as rocky planets.
