galaxies

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsneutron starsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologypulsarsmoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionplanetary nebulaedebunkingblack holesphysicsTVgravitational lensingVenusAbout the newsletterMoonAbout meimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyScientific AmericanGaia
Hubble Space TelescopeHubble Space Telescope
+6+6
Another gorgeous Hubble galaxy, but it has many secrets
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Another gorgeous Hubble galaxy, but it has many secrets

NGC 7722 is a weird hybrid of galaxy types. What does that tell us?

Philip Plait
Philip Plait
miscellanymiscellany
+7+7
Our Milky Way’s supermassive black hole has a hiccuppy past

Our Milky Way’s supermassive black hole has a hiccuppy past

It may erupt every few centuries, but don’t panic!

Philip Plait
Philip Plait
supernovaesupernovae
+7+7
Watch a supernova explosion sweep through space
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Watch a supernova explosion sweep through space

Animation shows X-rays from an exploded star as it expands over the decades

Philip Plait
Philip Plait
the Sunthe Sun
+4+4
Solar eclipse seen from space!

Solar eclipse seen from space!

Also, a small galaxy may be currently ramming through the Milky Way, so there’s that too

Philip Plait
Philip Plait
miscellanymiscellany
+5+5
A spider web a million trillion kilometers wide: JWST’s view of IC 5332 (1)

A spider web a million trillion kilometers wide: JWST’s view of IC 5332 (1)

Also: How many near-Earth asteroids have been visited by spacecraft?

Philip Plait
Philip Plait
miscellanymiscellany
+4+4
A spider web a million trillion kilometers wide: JWST’s view of IC 5332
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A spider web a million trillion kilometers wide: JWST’s view of IC 5332

Also: How many near-Earth asteroids have been visited by spacecraft?

Philip Plait
Philip Plait
star clustersstar clusters
+2+2
The spectacular Sculptor spiral galaxy in 1,500 colors!

The spectacular Sculptor spiral galaxy in 1,500 colors!

Picking your colors carefully reveals rich science

Philip Plait
Philip Plait
miscellanymiscellany
+3+3
A galaxy collision got me digging, Goodbye Tiktok, Project for Awesome

A galaxy collision got me digging, Goodbye Tiktok, Project for Awesome

Sometimes mistakes lead to cool astronomy stuff.

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
miscellanymiscellany
+6+6
A faint stream of stars is being pulled out of the nearby galaxy M61
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A faint stream of stars is being pulled out of the nearby galaxy M61

Also: a free audiobook featuring my dulcet voicebox

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
exoplanetsexoplanets
+3+3
A black hole’s one-fifth lightspeed belch, and JWST finds a lava planet with an atmosphere

A black hole’s one-fifth lightspeed belch, and JWST finds a lava planet with an atmosphere

An incredibly fast wind from a black hole, and a super-hot super-Earth may have a broiling atmosphere, too

Philip Plait
Philip Plait