Q:

What is the name of the 10th planet?

A:

Quick Answer

The name of the 10th planet is 'Eris.' The planet was discovered by Dr. Mike Brown of the California Institute of Technology, David Rabinowitz of Yale University and Chad Trujillo of the Gemini Observatory in Mauna Kea, Hawaii in July 2005 and was officially named the following year.

Know More

Full Answer

At nine billion miles from the sun, Eris is the farthest known object in the solar system, resting in the Kuiper Belt, the dark disc of icy bodies beyond the planet Neptune. It was first photographed in 2003, but was so far away that its size, at roughly 70 miles wider than Pluto, and motion were not yet known.

Learn more about Planets

Related Questions

  • Q:

    Where did Mars get its name?

    A:

    In multiple civilizations, the planet Mars was named for its red color. The ancient Romans named Mars after their god of war because of its red, blood-like hue. The ancient Greeks named the planet Ares after their war god. The Chinese called it "the fire star," and the Egyptians called the planet "Her Desher," which means "the red one."

    Full Answer >
    Filed Under:
  • Q:

    What is the lowest temperature on Venus?

    A:

    The lowest temperature on Venus is minus 175 degrees Celsius, found at an atmospheric layer 125 kilometers above the surface of the planet. The planet's average temperature, however, stands at 464 degrees Celsius, making it hotter than Mercury despite being farther away from the sun.

    Full Answer >
    Filed Under:
  • Q:

    What is an exoplanet?

    A:

    An exoplanet is a planet that orbits a star other than the sun. The first exoplanet found, 51 Pegasi B, was discovered in 1992, and over 800 have been discovered since.

    Full Answer >
    Filed Under:
  • Q:

    How long does it take for Uranus to orbit the sun?

    A:

    The planet Uranus takes about 84 Earth years or 30,660 Earth days to make a full orbit around the sun. Days on Uranus last 17 hours, which is the amount of time it takes for the ice giant to make a complete rotation on its axis. Uranus is around 1.8 billion miles from the sun, making it the seventh furthest planet from the sun in the solar system.

    Full Answer >
    Filed Under:

Explore