galaxies

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometsgravitational wavessolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsneutron starsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologyGlobular clusterspulsarsmoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaRoman Space TelescopeAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionplanetary nebulaerecipedebunkingblack holesHumorphysicsTVnight skygravitational lensingVenusAbout the newsletterspacered dwarfsthe moonActive galaxiesAbout mespace explorationimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsdark matterColliding galaxiesstar formationMilky Way GalaxyScientific AmericanillusionsGaia
miscellanymiscellany
+8+8
An imposter cluster has been busy over the last 13 or so billion years
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An imposter cluster has been busy over the last 13 or so billion years

Terzan 5 is not a globular cluster, as waves of star formation show. Also: I learned a fun new word

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
Roman Space Telescope launches!

Roman Space Telescope launches!

NASA’s newest telescope is in space. Also, an older ‘scope’s view of the gorgeous galaxy NGC 3137

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+4+4
The Andromeda Galaxy is showing its age
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The Andromeda Galaxy is showing its age

The rate at which stars are born in our neighbor galaxy is slowing down

Philip Plait
Philip Plait
dustdust
+3+3
Echoes of light show our galaxy’s spiral arms are more wide-flung than we thought
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Echoes of light show our galaxy’s spiral arms are more wide-flung than we thought

Distant flashes of light and a quirk of trig help astronomers map the Milky Way

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
Another spectacular JWST image of a nearby spiral galaxy

Another spectacular JWST image of a nearby spiral galaxy

M77, aka NGC 1068, is not only gorgeous, it also hides a beast in its heart

Philip Plait
Philip Plait
aliensaliens
+7+7
A search for technologically advanced aliens instead finds hot dogs
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A search for technologically advanced aliens instead finds hot dogs

Yeah, let me explain

Philip Plait
Philip Plait
NASANASA
+6+6
NASA leader ignores safety rules to joy ride in a fighter jet over DC, and astronomers find Milky Way’s black hole wind
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NASA leader ignores safety rules to joy ride in a fighter jet over DC, and astronomers find Milky Way’s black hole wind

FAA objected to Jared Isaacman’s dangerous flight. Also, an elusive wind of particles from Sgr A* has finally been detected

Philip Plait
Philip Plait
black holesblack holes
+2+2
31 ancient quasars found, showing us what the baby universe was like
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31 ancient quasars found, showing us what the baby universe was like

This doubles the number of these super-distant beasts previously known

Philip Plait
Philip Plait
solar systemsolar system
+5+5
The immense Vera C. Rubin sky survey has begun!

The immense Vera C. Rubin sky survey has begun!

This will be a huge game changer for astronomy

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
Another tiny galaxy found WITHOUT dark matter
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Another tiny galaxy found WITHOUT dark matter

The invisible material is ubiquitous, so finding a galaxy without it is pretty weird

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
Another JWST jaw-dropper: a galaxy that looks like it’s exploding but is actually doing the opposite

Another JWST jaw-dropper: a galaxy that looks like it’s exploding but is actually doing the opposite

M82 is really just doing what galaxies do: making lots and lots of stars

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
A spiral galaxy whizzes through the Virgo Cluster
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A spiral galaxy whizzes through the Virgo Cluster

M88 looks a bit — and kinda sorta acts a bit — like a cosmic buzz saw

Philip Plait
Philip Plait