stars

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometsgravitational wavessolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsneutron starsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologyGlobular clusterspulsarsmoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown 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
+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
miscellanymiscellany
+4+4
Space is way bigger than you think

Space is way bigger than you think

Go ahead and think about it. Nope, it’s bigger. Try again. Nope, still too small. This game can go on a long time.

Philip Plait
Philip Plait
dustdust
+5+5
JWST sees massive stars clearing away their dusty, gaseous birth blankets

JWST sees massive stars clearing away their dusty, gaseous birth blankets

A survey of four nearby galaxies reveals important details on how these beasts are born

Philip Plait
Philip Plait
miscellanymiscellany
+6+6
No aliens for Boyajian’s Star, and trees reach up to connect electrically with the sky
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No aliens for Boyajian’s Star, and trees reach up to connect electrically with the sky

The star seems to have settled its unsettling behavior down, and corona discharges from trees finally seen in the wild

Philip Plait
Philip Plait