Question

Which is the solar system's fastest planet, which orbits the sun at nearly twice the speed of the earth ?

Answer 1

Mercury is the planet which takes only 88 days to complete one revolution

Answer 2

The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. It is by far the most important source of energy for life on Earth.