cosmology

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsneutron starsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologypulsarsmoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionplanetary nebulaedebunkingblack holesphysicsTVgravitational lensingVenusAbout the newsletterMoonAbout mespace explorationimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsdark matterColliding galaxiesMilky Way GalaxyScientific AmericanGaia
Hubble Space TelescopeHubble Space Telescope
+10+10
Two JWST stories: an incredible nebula/star cluster image, and a map of dark matter

Two JWST stories: an incredible nebula/star cluster image, and a map of dark matter

Westerlund 2 is a feast for the eyes, and the dark matter map a feast for the brain

Philip Plait
Philip Plait
cometscomets
+2+2
A new comet to watch for, and more evidence for the very first stars
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A new comet to watch for, and more evidence for the very first stars

The comet may get very bright, but who knows?

Philip Plait
Philip Plait
solar systemsolar system
+4+4
Europa’s ice is pretty thick

Europa’s ice is pretty thick

Also: a barred spiral galaxy more distant than expected

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+4+4
Hubble peers at Cloud-9, a nearby dark matter cloud from the ancient universe
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Hubble peers at Cloud-9, a nearby dark matter cloud from the ancient universe

No stars were seen in it, showing it really is a relic of the dawn of the cosmos

Philip Plait
Philip Plait
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