00:00Dead, spinning neutron stars scattered across the Milky Way fire precise radio beams.
00:05Astronomers use these cosmic lighthouses as a giant galactic clock to measure space-time ripples.
00:12Most scientists assumed light arrivals would be perfectly steady, but the pulses keep shifting unexpectedly.
00:19Passing low-frequency gravitational waves stretch and squeeze the space between Earth and dead stars, altering arrival times.
00:27This invisible galactic network reveals hidden monster black holes because dead, spinning neutron stars scattered across the Milky Way fire
00:38precise radio beams.