Q:

How many moons does Mercury have?

A:

Quick Answer

Mercury does not have any moons. While moons have been observed on most other planets in the solar system, none has been found orbiting Mercury.

Continue Reading

Full Answer

It is believed that if a moon ever did orbit Mercury, that it drifted away or was destroyed or removed by another object. Other planets in the solar system have moons; for example, Mars has two moons, Phobos and Deimos, which are asteroids that were captured under the planet's gravitational force. In the early 1970s, there was a brief period of radiation coming from Mercury that suggested a moon was present, but the radiation quickly vanished.

Learn more about Planets

Related Questions

  • Q:

    Who discovered Mercury and when was it discovered?

    A:

    Mercury is visible with the naked eye, hence ancient astronomers knew of its existence thousands of years ago. No single person is credited for discovering the planet.

    Full Answer >
    Filed Under:
  • Q:

    What was Mercury named after?

    A:

    The planet Mercury was named by the Romans after their messenger god, Mercury. Mercury travels the fastest around the Sun, so it was fitting that they chose the god whose hat and shoes were winged, enabling him to move swiftly through the skies. The element known as Mercury was named after the planet.

    Full Answer >
    Filed Under:
  • Q:

    Is Mercury hot or cold?

    A:

    The planet of Mercury is extremely hot during the day and becomes terribly cold at night. The temperature during the day on Mercury can reach as high as 800 degrees Fahrenheit, while the night temperatures can plunge to almost 300 degrees below zero.

    Full Answer >
    Filed Under:
  • Q:

    How far away is Mercury from Earth?

    A:

    According to Universe Today, when Mercury is at its closest point to Earth, it is approximately 48 million miles away, and at its farthest point, Mercury is approximately 138 million miles away from Earth. This difference is due to the fact that both Mercury and the Earth orbit the sun.

    Full Answer >
    Filed Under:

Explore