The planet Mercury was named by ancient Romans after their messenger god and the god of travelers, Mercury. They believed that their messenger god, Mercury, had wings on his shoes and could fly quickly from one place to another.
CoolCosmos states that the Romans were familiar with seven bright celestial bodies. These objects were the sun, moon and five planets (including Mercury), which were visible to the naked eye. The planet Mercury moves around the Sun quickly, because it is closer to the Sun than the other planets. Therefore, the Romans named it after their fast-moving messenger god, Mercury, according to NASA.Learn More
The planet Mercury completes a single rotation in just under 176 days. Mercury was once thought to be tidally locked, and its rotation was not discovered until 1965.Full Answer >
Most of the surface of the planet Mercury is gray or dark gray in color. The surface is, however, broken up by small and large craters and several areas of lighter gray.Full Answer >
Mercury has a radius of 2,439.7 kilometers, making it smaller than some moons and the smallest planet in the solar system. Its mass is equal to 0.055 of Earth's.Full Answer >
Mercury's revolution is 88 Earth days. A planet's revolution is the time it takes to make one complete orbit around the sun. This is different than Mercury's rotation period, which is the time it takes this planet to spin about its axis.Full Answer >