Asteroid Belt

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Legacy of NASA’s Dawn, Near the End of its Mission (NASA/JPL)
Dawn Mission (NASA/JPL)
Dawn Spacecraft (Wikipedia)

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Physical Realm
Universe Astronomical Instrument
Galaxy Milky Way, Andromeda
Planetary System Star, Brown Dwarf, Planet, Moon

Solar System Sun
Terrestrial Planet Mercury, Venus, Earth (Moon), Mars
Asteroid Belt Ceres, Vesta
Jovian Planet Jupiter, Saturn, Uranus, Neptune
Trans-Neptunian Object
Kuiper Belt Pluto, Haumea, Makemake
Scattered Disc Eris, Sedna, Planet X
Oort Cloud Etc. Scholz’s Star
Small Body Comet, Centaur, Asteroid

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These are organized by a classification scheme developed exclusively for Cosma. More…

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Encyclopedia

Asteroid belt is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets. The asteroid belt is also termed the main asteroid belt or main belt to distinguish it from other asteroid populations in the Solar System such as near-Earth asteroids and trojan asteroids. About half the mass of the belt is contained in the four largest asteroids: Ceres, Vesta, Pallas, and Hygiea. The total mass of the asteroid belt is approximately 4% that of the Moon, or 22% that of Pluto, and roughly twice that of Pluto’s moon Charon (whose diameter is 1200 km). — Wikipedia

Encyclopædia Britannica

Introduction


Science







Planetary Science (NASA/JPL)

Library

WorldCat, Library of Congress, UPenn Online Books, Open Library

Participation

Education


Planets and Dwarf Planets (Ask an Astronomer, Cornell University)
Asteroid Belt (Cosmos4Kids)

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Organization

International Astronomical Union (IAU)
Minor Planet Center (International Astronomical Union)
The Planetary Society

News

Phys.org,

Science News, NPR Archives

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ISBNdb

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USA.gov

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Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • The epoch of planet formation, times twenty
    on December 12, 2018 at 8:12 pm

    Astronomers have cataloged nearly 4,000 exoplanets in orbit around distant stars. Though the discovery of these newfound worlds has taught us much, there is still a great deal we do not know about the birth of planets and the precise cosmic recipes that spawn the wide array of planetary bodies we have already uncovered, including so-called hot Jupiters, massive rocky worlds, icy dwarf planets, and—hopefully someday soon—distant analogs of Earth. […]

  • Geminids meteor shower: An astrophysicist on what...
    on December 11, 2018 at 2:50 pm

    The Geminids meteor shower peaks on the mornings of December 13 and 14, 2018 – but if you look up any time there's a clear night sky up until December 17, you might just catch a glimpse of a Geminid meteor. […]

  • Team finds evidence for carbon-rich surface on...
    on December 10, 2018 at 4:00 pm

    A team led by Southwest Research Institute has concluded that the surface of dwarf planet Ceres is rich in organic matter. Data from NASA's Dawn spacecraft indicate that Ceres's surface may contain several times the concentration of carbon than is present in the most carbon-rich, primitive meteorites found on Earth. […]

  • Planetary defense: The Bennu experiment
    on December 7, 2018 at 1:28 pm

    On Dec. 3, after traveling billions of kilometers from Earth, NASA's OSIRIS-REx spacecraft reached its target, Bennu, and kicked off a nearly two-year, up-close investigation of the asteroid. It will inspect nearly every square inch of this ancient clump of rubble left over from the formation of our solar system. Ultimately, the spacecraft will pick up a sample of pebbles and dust from Bennu's surface and deliver it to Earth in 2023. […]

  • Charting a course for astronaut safety as NASA...
    on December 3, 2018 at 1:59 pm

    In the next decade, NASA aims to launch humankind toward the moon and on to Mars—a monumental step in crewed space travel. Such a journey is filled with challenges and perils, not unlike those faced by the first explorers to cross the ocean. However, instead of stormy seas, these explorers will set sail amid the hazards of the heliosphere—the magnetic environment emanating out from the sun and encompassing the solar system. The risks of travelling through this realm ultimately ride […]