The Active Asteroids

@article{Jewitt2011TheAA,
  title={The Active Asteroids},
  author={D. Jewitt},
  journal={The Astronomical Journal},
  year={2011},
  volume={143},
  pages={66}
}
  • D. Jewitt
  • Published 2011
  • Physics
  • The Astronomical Journal
  • Some asteroids eject dust, unexpectedly producing transient, comet-like comae and tails. First ascribed to the sublimation of near-surface water ice, mass-losing asteroids (also called main-belt comets) can in fact be driven by a surprising diversity of mechanisms. In this paper, we consider 11 dynamical asteroids losing mass, in nine of which the ejected material is spatially resolved. We address mechanisms for producing mass loss including rotational instability, impact ejection… CONTINUE READING
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