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Three Alpha

Three Alpha

  • Earth
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Author: Adam McMaster

I’m an astronomer doing my PhD with the Open University in the UK. My research involves using citizen science to look for variable stars.

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

Three missions for Venus

A recent article by Nadia Drake in National Geographic gives a nice overview of the state of research into Venus’ … More

Venus

One of Lucy’s solar panels may not have deployed correctly

NASA says there is a problem with one of Lucy’s solar panels. The panel may not have deployed correctly, but … More

Asteroids, Jupiter, Lucy, Trojan

“Oh, my gosh, there’s a rock in my bed”

A woman in Canada had a near miss when a meteorite landed in her bed: Ruth Hamilton was fast asleep … More

meteorites

Lucy successfully launches

NASA’s Lucy mission successfully launched over the weekend: It’s off on a 12 year mission to study the Trojan asteroids … More

Asteroids, Jupiter, Lucy, Trojan

There’s a huge comet coming and it will be visible for decades

An absolutely huge new comet called Bernardinelli-Bernstein, which is 93 miles wide, is currently making its way Sunward and will … More

Comets

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

Perseverance pays off

After trying, failing, and trying again the Perseverance rover has finally managed to take a rock sample from the surface … More

mars, Perseverance, Sample Return

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  • A planet orbiting a white dwarf
  • Three missions for Venus
  • One of Lucy’s solar panels may not have deployed correctly
  • “Oh, my gosh, there’s a rock in my bed”
  • Lucy successfully launches

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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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