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Category: The Universe

A planet orbiting a white dwarf

A Jupiter-mass planet has been discovered orbiting a white dwarf. That means the planet survived the death of its host … More

exoplanets, gravitational lens, white dwarfs

Quasars might be used to measure distances

It looks like we might be able to measure distances using quasars – the very bright, distant objects which are … More

Hubble tension, quasars, ultraviolet, x-ray

Some old stars wear a blanket of burning hydrogen to keep warm

A recent article published in Nature Astronomy details evidence that some white dwarfs stay warmer for longer due to the … More

messier 13, white dwarfs

Centaurus A: Our neighbour in the process of merging

NOIRLab recently released the above new photo of Centaurus A: The galaxy Centaurus A, which lies over 12 million light-years … More

Centaurus a, galaxies, jets, noirlab, supermassive black holes

A supernova from a merger with a black hole or neutron star

From EurekAlert: Astronomers have found dramatic evidence that a black hole or neutron star spiraled its way into the core … More

black holes, compact objects, neutron stars, Radio Astronomy, supernova, Transients

New all-sky map shows the trail left by the Large Magellanic Cloud

Astronomers recently released the above map of the Milky Way’s furthest reaches — the galactic halo. The band across the … More

dark matter, gaia, large magellanic cloud, milky way, neowise

Giant Radio Pulses: Now Available in X-Rays

Six and a half thousand light years away is the dense remnant of a supernova. It’s the size of a … More

compact objects, Crab Nebula, neutron stars, nicer, pulsars, Radio Astronomy, x-ray

A Black Hole Feeding on an Ageing Star Powers a Mysterious Microquasar

A new paper by Qin Han and Xiang-Dong Li of Nanjing University, due to be published in the Astrophysical Journal, … More

black holes, Microquasars, SS433, W50

ESO Sees a Star’s Orbit Precess Around a Supermassive Black Hole

The European Southern Observatory has observed the way a star’s orbit changes as it circles the supermassive black hole at … More

black holes, Relativity, S2

Why astronomers are excited about repeating fast radio bursts

The CHIME telescope in Canada recently detected eight new repeating fast radio bursts. This is huge news! It brings the … More

CHIME, Fast Radio Bursts, Radio Astronomy, Transients

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The Three Alpha logo is based on a solar eclipse photo by Luc Viatour, which is licensed as CC BY-SA 3.0.

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