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  1. This asteroid belt is also called the main asteroid belt or main belt to distinguish it from other asteroid populations in the Solar System. The asteroid belt is the smallest and innermost known circumstellar disc in the Solar System.

    • C-type

      253 Mathilde, a C-type asteroid. C-type (carbonaceous / ˌ k...

    • 4 Vesta

      The mass of 4 Vesta (blue) compared to other large...

  2. These bodies were originally designated main-belt comets (MBCs) in 2006 by astronomers David Jewitt and Henry Hsieh, but this name implies they are necessarily icy in composition like a comet and that they only exist within the main-belt, whereas the growing population of active asteroids shows that this is not always the case.

  3. Feb 28, 2019 · The Main Belt: A Gateway to the Formation and Early Evolution of the Solar System | Planetary News. Workshop, Sardinia, Italy | June 4-7, 2019. The Main Asteroid Belt is at the boundary of the inner and outer solar system. It marks a transition region from the rocky volatile-poor inner terrestrial planets to the outer gaseous and icy giant planets.

  4. Aug 23, 2015 · However, the term “Main Belt” is often used to distinguish it from the Kuiper Belt. One hundred asteroids had been located by mid-1868, and in 1891 the introduction of astrophotography by Max...

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    • Main-belt wikipedia5
  5. The asteroid belt or main belt is a ring of small and large rocks and dust between the orbits of Mars and Jupiter. The biggest object in the asteroid belt is Ceres, a dwarf planet. The Kirkwood gaps separate the asteroid belt into several groups.

  6. We discuss the current state of research on the size–frequency distribution, the ages of asteroids, and the implications on the formation of asteroids. We review planetesimal formation theory, specifically focusing on the initial sizes of primordial planetesimals.

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