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An 84-minute radio and X-ray signal is reportedly linked to a white dwarf binary

A post says the white dwarf pulls gas from a small red dwarf companion, producing radio and X-ray bursts.

1 Source, 3h ago, first seen 3h ago

🌌 Space is “Blinking” at Earth Every 84 Minutes—Scientists Just Found Why

A strange signal from deep space has been flashing toward Earth like a cosmic heartbeat every 84 minutes—and it finally has an explanation.

Astronomers traced it to a rare pair of stars in our galaxy: a dead star called a white dwarf and a small red dwarf locked in a tight orbit. The white dwarf is slowly pulling gas from its companion, heating it up and creating powerful bursts of X-rays and radio waves.

Together, they act like a cosmic lighthouse, sending regular flashes across space.
Scientists say this discovery could help explain other mysterious signals in the universe—and unlock more secrets of extreme space environments.

Source: Nature Astronomy. Periodic radio and X-ray emission from an accreting white dwarf binary.

TLDR

A post citing a Nature Astronomy paper says astronomers traced flashes every 84 minutes to a white dwarf and a small red dwarf orbiting each other. It says the white dwarf pulls gas from its companion, producing radio and X-ray bursts. The post suggests the finding could help explain other mysterious signals.

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1 Source, first seen 3h ago

An 84-minute radio and X-ray signal is reportedly linked to a white dwarf binary

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