New Paradigms for Asteroid Formation

@article{Johansen2015NewPF,
  title={New Paradigms for Asteroid Formation},
  author={Anders Johansen and Emmanuel Jacquet and Jeffrey N. Cuzzi and Alessandro Morbidelli and Matthieu Gounelle},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2015},
  pages={471-491}
}
Asteroids and meteorites provide key evidence on the formation of planetesimals in the Solar System. Asteroids are traditionally thought to form in a bottom-up process by coagulation within a population of initially km-scale planetesimals. However, new models challenge this idea by demonstrating that asteroids of sizes from 100 to 1000 km can form directly from the gravitational collapse of small particles which have organised themselves in dense filaments and clusters in the turbulent gas… 

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