a lot more than first 3 planets
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Mars' moons are much smaller than, for example, Earth's Moon, or the larger moons of Jupiter. A large moon will have a larger gravity, which will tend to pull the moon together into a spherical shape.
No moons.
no.Venus has no moons whats so ever.If venus had moons, then the planet would be much cooler because the moon would be blocking venus from the sun, but venus is above 5000 degrees so it has no moons.Hope this helps.
The outer planets are much bigger and so have more gravity that can attract more moons. Also in the outer solar system there is more rocks and boulders around that can come together to form moons.
Life would probably be unchanged. if you mean a second moon as large as the one we currently have, it would be very much like it is now, only there is a slight possibility of gravitational disruption causing the moons to collide, or one of the moons to collide with us.
That is a hard question to answer. Many researchers have tried to determine why the Earth even has a moon. Much is known about how moons form, the effects moons have on their host planets, and much more. As to why we don't have more or less moons, cannot really be answered. You would have had to watch the solar system evolve to answer that.
No, as a bit can only hold very tiny pieces together and would not aid in strength. Reinforcement is usually achieved with long bendable bars as they can hold much larger sections together.
non
No moons or rings. But it has 2 satellites.
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Jupiter currently has 63 known moons but more are being discovered by space probes.