Poltergeist

Etymology
From, the supernatural entity. From orbiting a, a "dead" star, a star that no longer contains a fusion core, but which is radiating away its stored energy.

Proper noun

 * 1)   ; One of the pair of planets that were the first exoplanets which were discovered. A planet in orbit of the  Lich (PSR B1257+12)

Coordinate terms

 * the pulsar PSR B1257+12

Etymology
.

Noun

 * 1) poltergeist