A new study examining white dwarf pollution, and featuring contributions from CEH members Dimitri Veras and Boris Gänsicke, concludes that if planet-planet scattering is responsible for the phenomenon then many such objects can be expected to host (currently undetectable) super-Earth planets on orbits of several au and beyond.

This work was published in Monthly Notices of the Royal Astronomical Society, Volume 476, Issue 3, p.3939-3955

Open access link: arXiv

CEH members involved: Dimitri Veras & Boris Gänsicke