Ben Zuckerman Dust Quotations

Something's got to be replenishing these metals. The suggestion is maybe this white dwarf had planets around it, and the system was substantial enough that after billions of years of grinding, there's still enough material to feed the dust disc around the white dwarf.

Something's got to be replenishing these metals, ... The suggestion is maybe this white dwarf had planets around it, and the system was substantial enough that after billions of years of grinding, there's still enough material to feed the dust disc around the white dwarf.