Astronomers are seeing it when the Universe was only 1.4 billion years old.
Chandra Sees the Most Distant X-Ray Jet.
The most distant jet ever seen was recently photographed by the Chandra X-Ray Observatory. The jet is huge, blasting 100,000 light years out of a quasar 12 billion light years away - Astronomers are seeing it when the universe was only 1.4 billion years old. This gives Astronomers an opportunity to study the intensity of the cosmic microwave background radiation, as light from the jet needs to move through the sea of particles left over from the Big Bang.
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