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==Key Stage 4==
[[File:BlackHole.png|right|300px|thumb|An artist's impression of a '''black hole''' with [[matter]] spiraling in towards itand a jet of [[plasma]] sent out the top due to the extremely intense [[Magnetic Field|magnetic field]].]]
===Meaning===
A '''black hole''' is the last stage in a [[High Mass Star|high mass star's]] life in which the core has collapsed into a point so small that the [[gravity]] becomes so intense that not even [[light]] can escape.