How many planets are there in the universe?
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Q:

How many planets are there in the universe?

A:

Quick Answer

According to NASA, more than 1,700 planets have been confirmed outside of our own solar system. However, the number of planets in the universe could essentially be infinite because scientists have yet to find the so called "edge" of space.

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Full Answer

Forbes reports that there may be billions of planets like Earth just in our own galaxy. There are at least 100 billion galaxies in the known universe, each one containing billions upon billions of stars. Each one of those stars could have multiple planets in orbit around them. This means that there are likely many trillions of planets in the universe.

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    How many dwarf planets are there?

    A:

    There are most likely billions of dwarf planets, but the International Astronomical Union has recognized five in the solar system: Pluto, Eris, Ceres, Makemake and Haumea. Astronomers believe that there may be over 100 dwarf planets just in this solar system.

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  • Q:

    How many planets are in the solar system?

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    The solar system contains eight planets. In order of their distance from the sun, the eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. From 1930 until 2006, Pluto was considered the solar system's ninth planet.

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    How many planets do not have natural satellites?

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    Two planets, Venus and Mercury, are the only planets in the solar system that do not have any natural satellites or moons. Mercury, Venus, Mars and Earth are inner planets.

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    How many planets have moons?

    A:

    Six of the eight planets in the solar system are known to have moons. Mercury and Venus lack orbiting bodies of any significant size. Earth has one moon, Mars has two, and the gas giants have several moons each.

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