Jupiter: Cosmic Jekyll and Hyde.

@article{Grazier2016JupiterCJ,
  title={Jupiter: Cosmic Jekyll and Hyde.},
  author={Kevin R. Grazier},
  journal={Astrobiology},
  year={2016},
  volume={16 1},
  pages={23-38}
}
It has been widely reported that Jupiter has a profound role in shielding the terrestrial planets from comet impacts in the Solar System, and that a jovian planet is a requirement for the evolution of life on Earth. To evaluate whether jovians, in fact, shield habitable planets from impacts (a phenomenon often referred to as the "Jupiter as shield" concept), this study simulated the evolution of 10,000 particles in each of the jovian inter-planet gaps for the cases of full-mass and embryo… CONTINUE READING