What is a jet in astronomy?
a gamma ray burst
supernova explosion
hyper-velocity object
collimated plasma stream
An astrophysical jet is an astronomical phenomenon where outflows of ionised matter are emitted as an extended beam along the axis of rotation. When this greatly accelerated matter in the beam approaches the speed of light, astrophysical jets become relativistic jets as they show effects from special relativity.
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a gamma ray burst
supernova explosion
hyper-velocity object
collimated plasma stream
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