Astronomers detect a 'galactic space laser' shooting light beams at Earth from 5 BILLION light years away
The powerful radio-wave 'laser', called a 'megamaser', was detected by the MeerKAT telescope in the Northern Cape of South Africa.
According to the astronomers, the record-breaking find is the most distant megamaser of its kind ever detected, at about five billion light years from Earth.
Light from the megamaser has therefore travelled 58 thousand billion billion (58 followed by 21 zeros) kilometres to Earth.
A megamaser is a extremely luminous 'maser', which is actually technically quite different from a laser
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