stars

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 moonSaturnActive galaxiesAbout mespace explorationimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsdark matterColliding galaxiesstar formationMilky Way GalaxyScientific AmericanillusionsGaia
Hubble Space TelescopeHubble Space Telescope
+7+7
The infrared mane of the Lion Nebula
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The infrared mane of the Lion Nebula

Another incredible JWST image of a dying star. Also: the discovery of a new satellite galaxy of the Milky Way and four nearby white dwarfs

Philip Plait
Philip Plait
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
+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
miscellanymiscellany
+4+4
Pop stars and community science (not what you think)
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Pop stars and community science (not what you think)

Stellar populations are tricky in an xkcd comic; a better name for citizen science

Philip Plait
Philip Plait
binary starsbinary stars
+1+1
Astronomers (almost certainly) find a companion star of Betelgeuse!
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Astronomers (almost certainly) find a companion star of Betelgeuse!

If confirmed it proves the bloated gasbag of a star is actually a binary system

Philip Plait
Philip Plait
miscellanymiscellany
+7+7
JWST takes a peek at a star being born

JWST takes a peek at a star being born

And of course it’s another jaw-dropper

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
A black hole finally found in Omega Centauri

A black hole finally found in Omega Centauri

The spectacular cluster has been the target for the search for a while now

Philip Plait
Philip Plait
exoplanetsexoplanets
+3+3
A third planet for the nearby star Beta Pictoris!

A third planet for the nearby star Beta Pictoris!

The gas giant has been hiding in plain sight for over a decade

Philip Plait
Philip Plait
brown dwarfsbrown dwarfs
+2+2
Citizen scientists find over 3,000 nearby brown dwarfs

Citizen scientists find over 3,000 nearby brown dwarfs

No kidding, that’s a lot of brown dwarfs

Philip Plait
Philip Plait
exoplanetsexoplanets
+5+5
Aphelion day! And a subscription sale!

Aphelion day! And a subscription sale!

Earth is as far from the sun as it gets all year. Plus, a planet found by relativity.

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+10+10
Crabiversary issue, Two brown dwarfs may soon become one

Crabiversary issue, Two brown dwarfs may soon become one

Just a fun tip o’ the hat to a great gas cloud, and a brown dwarf is eating another one and may become a star

Philip Plait
Philip Plait
exoplanetsexoplanets
+2+2
Dinky stars don’t make giant planets, or even middle-sized giants
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Dinky stars don’t make giant planets, or even middle-sized giants

Low-mass red dwarfs show a paucity of mini-Neptunes. It’s not clear why.

Philip Plait
Philip Plait