When astronomers around the world watched the epic collision between two neutron stars in 2017, the main event was just the beginning.
, of such a massive, never-before-seen merger were bound to be exciting, interesting, and deeply informative.
This, of course, is impossible, according to our current understanding of physics. It's a phenomenon known as superluminal speed, which in spite of its name is actually an illusion based on our viewing angle."Our result indicates that the jet was moving at least at 99.
Superluminal motion occurs when something is coming towards us at a sufficiently high speed, very close to our line of sight. As the object nears, the distance required for its light to travel to us shortens – something we don't usually need to take into account in our day-to-day lives, where light seems to move instantly .
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