The record-breaking beam is emanating from a pulsar—a rapidly rotating, collapsed star with a strong magnetic field—located around 1,600 light-years from Earth.
Physicists tried for 16 years to find flaws in Albert Einstein's ground-breaking theory of general relativity, which is the best description of gravity we have.
The fact that the solar system could be traveling through a highly magnetized filament in space may also explain mysterious rope-like structures in the sky.
A newly discovered fast radio burst from within our galaxy confirms an exotic form of neutron star as one possible source of the highly energetic transmissions.
The telescope consists of a single dish, which has a diameter of around 1,640 feet.
The explosion occurred on the surface of a pulsar around 11,000 light-years away.
Jocelyn Bell analyzed over 100 feet of data every day by eye before finding "scruff" on the chart records.
China's FAST telescope has been running for one year, and initial results are "encouraging," scientists say.
The maps depict Earth's position relative to the sun, using pulsars that can remain active for billions of years.