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Because it formed from a lot of rocks and before the whole mass solidified, they all settled into a level surface. When it's circular everything appears level. If it isn't circular there are big slopes and the loose rocks would roll down to the bottom of the slope. That way you end up with a sphere.
What else can I help you with?
How many times do the sun circle the planet?
none the sun doesnt circle the planet planets circle the sun!!!
Is planet mercury a circle or oval?
It is either a circle or an oval.
What kind of circle is the planet?
its a sphere
What moves in a circle around a planet or star?
A planet orbits a sun, a moon orbits a planet
Why is all planet are in circle shape?
why is all planet are in circle shape? the planet earthis actually slightly pear shaped, its an optical illusion of sorts that makes them all appear spherical. An oblate spheroid
What are the release dates for Planet X TV - 1995 Arctic Circle?
Planet X TV - 1995 Artic Circle was released on: USA: 13 October 2010
What is planet Jupiter's orbit?
Jupiters orbit is a imaginary circle that the planets circle around that is how we count years.
What is the symbol for the planet venus?
The symbol for a female, a circle and cross below it.
How are asteroids different to planets?
An asteroid is a rock that is far smaller than a planet or dwarf planet. They have no atmosphere. They may circle a sun or a planet.
What is to orbit?
To circle around. Planet Earth orbits the sun.
Rock and ice particles that create a circle around a planet?
The rock and ice particles that create a circle around a planet are called rings. These rings are composed of various-sized particles that orbit around the planet. Saturn is the most well-known planet with a prominent ring system.
What are rock and ice partcles that create a circle around a planet?
the answer is.................RINGS!
