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  1. Solar System Overview. The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1.36 million asteroids, and about 4,500 comets. It is located in an outer spiral arm of the Milky Way galaxy called the Orion Arm, or Orion Spur.

  2. en.wikipedia.org › wiki › Solar_SystemSolar System - Wikipedia

    The Solar System is the gravitationally bound system of the Sun and the objects that orbit it. It was formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc.

  3. 4 days ago · solar system, assemblage consisting of the Sun —an average star in the Milky Way Galaxy —and those bodies orbiting around it: 8 (formerly 9) planets with more than 210 known planetary satellites (moons); many asteroids, some with their own satellites; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the inter...

  4. science.nasa.gov › solar-system › planetsPlanets - NASA Science

    The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris.

  5. Mar 27, 2019 · Our solar system is made up of the sun and all the amazing objects that travel around it. Learn more about the planets, asteroids, and comets in our solar system. Skip to content

  6. Our Solar System: Facts. Our solar system is made up of a star, eight planets, and countless smaller bodies such as dwarf planets, asteroids, and comets.

  7. Jun 13, 2024 · Answer your questions: How many moons do other planets have? What's it like inside Jupiter? How did the solar system form? Why does Saturn have rings? Games.

  8. Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids.

  9. Jun 13, 2024 · The biggest planet in our solar system . explore; What Is the Weather Like on Other Planets? Each of the planets in our solar system experiences its own unique weather. explore; What Is a Transit? A transit is when one object in space crosses in front of another object in space.

  10. Explore the 3D world of the Solar System. Learn about past and future missions.

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