Astrophysics (Index)About

electrostatic barrier

(charge barrier)
(the problem that dust grains will repel and not join to form planet seeds)

The terms electrostatic barrier and charge barrier refer to a particular challenge to a common assumption regarding planet formation that planets form in protoplanetary disks from the disk material. The challenge is that dust grains are likely to be negatively charged and would repel each other rather than stick together to form larger grains and ultimately the seeds of planets. The disk material is likely to be somewhat ionized from cosmic rays and stellar ionizing radiation.

(planet formation,barrier,migration)
Further reading:

Referenced by pages: