debris disk

(redirected from Debris discs)

debris disk

n.
A thin disk of material, orbiting a young main-sequence star, that is mostly dust thought to be produced by collisions of small bodies like asteroids during the early formation of planets.
References in periodicals archive ?
Herschel is finding a correlation between the presence of massive debris discs and planetary systems with no Jupiter-class planets, which offers a clue to our understanding of how planetary systems form and evolve," stated Goran Pilbratt, ESA's Herschel project scientist.
Mark Wyatt from the University of Cambridge, lead author of the paper focusing on the debris disc around 61 Vir.
The latest insights into the formation and structure of our own 'Mark I' solar system, both planets and other smaller bodies, as well as many types of other planetary systems are to be found in chapters on protoplanetary and debris discs, terrestrial planets and giant planets.
Such debris discs are the leftover material from the building of a planetary system.
The debris discs are remnants of the formation of the planets.
There are two debris discs in our solar system, the asteroid belt and the Kuiper belt amongst whose bodies the dwarf planet Pluto belongs.
Debris discs are composed of dust resulting from collisions among larger bodies like planetary embryos or asteroids.