A mysterious cosmic object is sending pulses of radio and X-ray waves to Earth every 44 minutes, leaving astronomers baffled and eager for answers.

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The discovery also helps narrow down what the objects might be. Since X-rays are much higher energy than radio waves, any ...

Astronomers have discovered a mysterious new object in our Milky Way, which is emitting X-rays and radio waves at the same time.

Astronomers have announced a "startling" discovery - a mysterious space object that emits pulses of radio waves and X-rays for two minutes every 44 minutes. Researchers from the International Centre ...

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from ...

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Second, ELF and VLF have limited bandwidth ... as more frequencies of radio waves can be used. Submarines can also use underwater optical communication to transmit and receive data while submerged.

The ELF electromagnetic waves can reportedly penetrate seawater ... high-power electromagnetic waves emitted by these antennas converge in the sky to form a virtual radio-emitting source. As one ...

These unusual signals, discovered in 2022, challenge existing theories about how pulsars emit radio waves and stem from interactions between the red dwarf's stellar wind and the white dwarf's ...