What Is a Red Star in Astronomy

neutron star, radio pulses

Mysterious radio pulses from space have been tracked down—and the source is not what astronomers expected

In the past three years, astronomers have discovered a mysterious new type of radio source. We call these long-period transients.

SciTechDaily · 2d

Astronomers Just Traced Mysterious Radio Pulses to an Unusual Star Duo

Astronomers have finally traced mysterious radio pulses in the Milky Way to a unique cosmic duo—a red dwarf and a white dwarf orbiting each other every two hours. This discovery challenges previous assumptions that only neutron stars produce such signals.

earth · 1d

White dwarf star system is producing mysterious radio signals

Unlike conventional radio pulsars, these so-called long-period transients (LPTs) are periodic at timescales of tens of minutes to hours. Scientists have proposed several theories for the origins of these signals.

Astronomers Confirm 4 Rocky Exoplanets in Earth’s Backyard, Just 6 Light-Years Away

The four exoplanets orbit Barnard’s Star so closely that their years last only a few Earth days. They are probably rocky and, ...

EurekAlert!2d

Entwined dwarf stars reveal their location thanks to repeated radio bursts

A white dwarf and a red dwarf star have been discovered closely orbiting each other emitting radio pulses every two hours.

Phys.org24d

News on red dwarf stars

The TRAPPIST-1 system is a science-fiction writer's dream. Seven Earth-sized worlds orbit a red dwarf star just 40 light-years away. Three of those worlds are within the habitable zone of the ...

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neutron star, radio pulses

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