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By "accretion" of "planetesimals" from the "protoplanetary disk".
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Which is the inner planet?
There are four planets called the "inner planets".Of those, Mercury is the innermost planet.From the sun the planets areMercuryVenusEarthMarsJupiterSaturnUranusNeptunePluto
Why must the inner planets orbit faster than the outer planets?
Precisely because: That's the way that gravity works.
The planets were originally giant comets captured by the sun?
Our current theory of the formation of our solar system is that the planets formed more or less in their present orbits. We do not believe that the planets (with the exception of Pluto) were "captured" by the Sun's gravity.
What planets have a rocky surface?
In this solar system there are four, Mercury, Venus, Earth, and Mars.
Why are the planets spread out like they are?
because where they are today is where they formed. by where they are i mean how far away they are from the sun. but the universe is always changing.
Are inner planets Rocky?
Th inner planets are rocky because as the Sun and planets formed the more volatile elements could not condense into droplets near to the hot Sun. Thus the inner planets are made form stuff with a high melting/boiling point and the outer planets (where it was cooler) are made from the gases.
Which is not true in the inner planets?
the inner planets have rocky surfaces
What inner planets are hard and rocky?
All the inner planets are like that
What do the inner planets consit of?
The inner planets are rocky and the outer planets are gas giants.
Are the inner planets made of rocks?
All the inner planets are rocky or terrestrial planets.
What are the rock planets?
The Rocky Planets, or Inner Planets, include Mercury, Venus, Earth, and Mars.
Is Mercury rocky or gaseous?
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 another name for the inner planet?
Terrestrial Planets, or Rocky Planets.
Are the inner planets rocky or gassy?
The inner planets (Mercury, Venus, Earth and Mars) are rocky. It is the outer planets (Jupiter, Saturn, Uranus and Neptune) that are gas planets.
Inner planets compared to outer planets?
Inner Planets: Are rocky planets and smallOuter Planets: Are gas giants and giant
Why are the inner planets known as the rocky planets?
they are rocky and have terrain areas the rest of the planets are all gas
What is a another name for the inner planets?
Terrestrial Planets, or Rocky Planets
