Related topics: stars · black holes · galaxies · massive stars

Astronomers discover an unusually low-density super-Earth

An international team of astronomers reports the detection of a new "super-Earth" exoplanet using NASA's Transiting Exoplanet Survey Satellite (TESS). The newfound alien world, designated TOI-244 b, turns out to have an unusually ...

Astronomers discover closest black hole to Earth

Black holes are the most extreme objects in the universe. Supermassive versions of these unimaginably dense objects likely reside at the centers of all large galaxies. Stellar-mass black holes—which weigh approximately ...

Heaviest neutron star to date is a 'black widow' eating its mate

A dense, collapsed star spinning 707 times per second—making it one of the fastest spinning neutron stars in the Milky Way galaxy—has shredded and consumed nearly the entire mass of its stellar companion and, in the process, ...

Hot stars are plagued by giant magnetic spots

Astronomers using European Southern Observatory (ESO) telescopes have discovered giant spots on the surface of extremely hot stars hidden in stellar clusters. Not only are these stars plagued by magnetic spots, some also ...

Three planets in habitable zone of nearby star (w/ video)

(Phys.org) —A team of astronomers has combined new observations of Gliese 667C with existing data from HARPS at ESO's 3.6-metre telescope in Chile, to reveal a system with at least six planets. A record-breaking three of ...

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