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If you look at the four outer planets, they are composed largely of easily vaporized substances substances: hydrogen, helium, water, ammonia, and methane. These light, volatile substances, which accounted for most of the mass of the proto solar system, were driven out of the inner solar system by the strong solar wind of the young sun, leaving the inner planets with material that was mostly rock and metal.
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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 are the four smallest planets in your solar system?
mercury, mars, venus and earth, but if you count asteroids, aka plutoids, its haumea, makemake, Eris, and Pluto
What are the 4 closest planet to the sun?
The 4 Planets closet to the sun are Mercury, Venus, Earth, & Mars.Mercury, Venus, Earth, and Mars
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.
How many planets smaller than Venus?
Mercury and Mars are the only planets smaller than Venus.
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.
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 are the four planet closet to tha sun?
The four planets closest to the sun in order are Mercury, Venus, Earth, and Mars.
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.
Which planets are comprised of just rock?
the first four planets, closet to the sun, are called the "rock planets" these are, in order from the sun outwards : mercury, venus, earth, mars after mars are the gas giants, which are not made of rock, but gas, as the name suggests.
What are the four planets closest to the sun called?
The 4 Planets closet to the sun are Mercury, Venus, Earth, & Mars. the inner or terrestrial planets
Which planets are considered small planets?
Referring to the actual 8 designated "planets", the closest four to the Sun are smaller and rocky, while the outer four are gas giants. Planets in order of size (smallest to largest): Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter.
What are the Different between inner planets and outer planets?
INNER PLANETS - SmallEarth is the largest 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)OUTER PLANETS - Huge!Jupiter, the largest planet, has a diameter of 142,984 km (88,846 miles). Neptune is the smallest of the Outer Planets with a diameter of 49,532 km (30,779 miles)
