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  • Oort Cloud - Science@NASA
    The Oort Cloud lies far beyond Pluto and the most distant edges of the Kuiper Belt Scientists think the Oort Cloud is a giant spherical shell surrounding the Sun, planets and Kuiper Belt Objects It's like a big, thick bubble around our solar system, made of icy, comet-like objects
  • Oort Cloud Facts - NASA Science
    Oort Cloud Facts In 1950, astronomer Jan Oort proposed that some comets come from a vast, extremely distant spherical shell of icy bodies surrounding the solar system This giant swarm of objects, now named the Oort Cloud, occupies space at a distance between 5,000 and 100,000 astronomical units
  • Kuiper Belt - Science@NASA
    The Kuiper Belt is a doughnut-shaped region of icy objects beyond the orbit of Neptune It is home to Pluto and most of the known dwarf planets and some comets
  • Solar System: Facts - NASA Science
    The Oort Cloud is the boundary of the Sun's gravitational influence, where orbiting objects can turn around and return closer to our Sun The Sun's heliosphere doesn't extend quite as far The heliosphere is the bubble created by the solar wind – a stream of electrically charged gas blowing outward from the Sun in all directions
  • About the Planets - Science@NASA
    Our solar system has eight planets, and five dwarf planets - all located in an outer spiral arm of the Milky Way galaxy called the Orion Arm
  • Oort Cloud Multimedia - NASA Science
    Oort Cloud and Scale of the Solar System (Infographic) Where is the Edge of the Solar System? Oort Cloud Keep Exploring Discover More Topics From NASA Sun
  • Kuiper Belt Facts - NASA Science
    The Kuiper Belt shouldn't be confused with the Oort Cloud, which is a much more distant region of icy, comet-like bodies that surrounds the solar system, including the Kuiper Belt Both the Oort Cloud and the Kuiper Belt are thought to be sources of comets
  • Chapter 1: The Solar System - Science@NASA
    You will be able to distinguish between inferior and superior planets, classical and dwarf planets, describe asteroids, comets, the Kuiper belt, and the Oort cloud You will be able to describe the environment in which the solar system resides Knowledge of the Solar System The solar system has been a topic of study from the beginning of history
  • Oort Cloud - NASA Science
    An illustration of the Kuiper Belt and Oort Cloud in relation to our solar system
  • Comet Facts - Science@NASA
    Less predictable are long-period comets, many of which arrive from a region called the Oort Cloud about 100,000 astronomical units (that is, about 100,000 times the distance between Earth and the Sun) from the Sun These Oort Cloud comets can take as long as 30 million years to complete one trip around the Sun





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