Mercury. It is the closest planet to the sun and so orbits at the fastest speed and in the shortest time, just 88 days. Venus also has no moons and orbits very quickly, since it is only the second planet out. Not as quickly as mercury though.
A planet orbits a star. A moon orbits a planet or dwarf planet.
Jupiter is the largest known planet which orbits the Sun.
All the planets move at several miles per second and many of them have known moons.Mercury orbits the Sun the fastest and has no moon. So, Mercury is the answer.
PLANET
mecur
Mercury. It is the closest planet to the sun and so orbits at the fastest speed and in the shortest time, just 88 days. Venus also has no moons and orbits very quickly, since it is only the second planet out. Not as quickly as mercury though.
That would be Mercury. Venus also has no moons, but does not move as fast as Mercury.
A planet orbits a star such as the sun. A moon orbits a planet.
No. A moon orbits around a planet. A planet orbits around the sun.
A planet orbits a star whereas a moon orbits a planet.
A moon orbits a planet.
A planet orbits a sun, a moon orbits a planet
Saturn
Mercury, is the smallest planet that orbits the sun.
Generally, a dwarf planet orbits only the sun, whereas a moon orbits a planet, which in turn orbits a sun.
The planet Mercury orbits the Sun at an average velocity of 47.87 kilometres per second, compared to 30 kilometres per second for the planet Earth.