Science
Astronomers discover the most distant cosmic jet yet, bursting from a black hole – CNET
P172+18 is the most distant radio-loud quasar ever found. It could teach us how galaxies form and evolve.
An artistic impression of the quasar P172+18, which contains a black hole 300 times more massive than the sun.
ESO/M. Kornmesser
When we look into space, we are looking back in time. If you stare at the moon, you’re seeing the orb as it was around 1.3 seconds ago. Pointing your telescope at Mars? You’re seeing it as it was around 20 minutes ago. That’s how long it takes for light to travel those vast distances across the solar system. With a big-enough telescope, you can see light from the earliest…
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