cosmology

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supernovaesupernovae
+4+4
JWST observed an immense gamma-ray burst from a very long time ago
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JWST observed an immense gamma-ray burst from a very long time ago

An incredibly powerful explosion reached out to us from across the Universe

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
Happy solstice, and a gorgeous galaxy with which to measure the Universe

Happy solstice, and a gorgeous galaxy with which to measure the Universe

The longest night is now behind us, and a Hubble image of a galaxy used as a ruler

Philip Plait
Philip Plait
exoplanetsexoplanets
+5+5
A new binary star exoplanet image, and a very cool five-point Einstein Cross
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A new binary star exoplanet image, and a very cool five-point Einstein Cross

See a direct image of the planet, and a quintuply gravitationally lensed galaxy

Philip Plait
Philip Plait
supernovaesupernovae
+5+5
The irony of Supernova 1885A

The irony of Supernova 1885A

It proved the Universe was bigger than astronomers thought, but they couldn’t believe it

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+4+4
NGC 3370: Stepladder to the Universe

NGC 3370: Stepladder to the Universe

Also, it’s a very pretty spiral galaxy

Philip Plait
Philip Plait
cosmologycosmology
+5+5
A Little Red Dot may be a mostly naked supermassive black hole
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A Little Red Dot may be a mostly naked supermassive black hole

This has implications for how such behemoths form in the first place

Philip Plait
Philip Plait
supernovaesupernovae
+6+6
Yup. Young-Earth creationists are still wrong.

Yup. Young-Earth creationists are still wrong.

A claimed lack of supernovae explodes in their faces

Philip Plait
Philip Plait
ESAESA
+4+4
Cursed math and astronomical inclusivity

Cursed math and astronomical inclusivity

In which I write about xkcd and JWST

Philip Plait
Philip Plait
asteroidsasteroids
+6+6
A black hole is eating way above its weight, and ancient tektites in Australia
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A black hole is eating way above its weight, and ancient tektites in Australia

Something is helping this black hole gobble down material at incredible rates

Philip Plait
Philip Plait
dustdust
+6+6
Little Red Dots at the edge of the universe may be black holes powering gigantic balls of gas

Little Red Dots at the edge of the universe may be black holes powering gigantic balls of gas

These “Black Hole Stars” are theoretical, but do explain what we see

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
Is the most distant star ever seen really a star at all?

Is the most distant star ever seen really a star at all?

Also, a new moon for Quaoar! Maybe!

Philip Plait
Philip Plait
exoplanetsexoplanets
+2+2
Puffy exoplanets are cool, and that’s a problem

Puffy exoplanets are cool, and that’s a problem

Two extra-inflated gas giants are defying explanation. Plus my book in Chinese, and why are supermassive black holes so big so early?

Philip Plait
Philip Plait