[RightWhale]

They say the cometary knots may collapse to form Pluto-like objects, and that such objects would be common in the galaxy. It could be that the Kuiper Belt region of solar system space beyond Pluto is populated with such objects.

[petuniasevan]

This might be a vindication of the theory of dark matter in the form of MACHOs (MAssive Compact Halo Objects).