Hungry, hungry white dwarfs: solving the puzzle of stellar metal pollution

This article was reviewed according to Science fact checked peer-reviewed publication trusted source proofread OK! by Kenna Hughes-Castleberry, JILA Planetesimal orbits around a white dwarf. Initially, each planetesimal has a circular, prograde orbit. The staircase forms an eccentric debris disk that has prograde (blue) and retrograde orbits (orange). Credit: Steven Burrows/Madigan Group/JILA × close to … Read more