JWST

Hubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutodustasteroidsastrophotographymeteoritesvolcanoesmathEarthcosmologythe SunscifiVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionblack holesTVAbout the newsletterMoonimpactsbinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyScientific AmericanGaia
exoplanetsexoplanets
+2+2
Looking for air around TRAPPIST-1’s planets

Looking for air around TRAPPIST-1’s planets

Two more planets observed have ambiguous results, showing how difficult this is to determine

Philip Plait
Philip Plait
dustdust
+6+6
Little Red Dots at the edge of the universe may be black holes powering gigantic balls of gas

Little Red Dots at the edge of the universe may be black holes powering gigantic balls of gas

These “Black Hole Stars” are theoretical, but do explain what we see

Philip Plait
Philip Plait
exoplanetsexoplanets
+6+6
A new moon for Uranus, and a new planetary system in the Trifid?
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A new moon for Uranus, and a new planetary system in the Trifid?

Two VERY cool pix for you today

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
An incredible JWST image of an immense city of galaxies

An incredible JWST image of an immense city of galaxies

Abell S1063 is a jaw-dropping example of the power of the big telescope

Philip Plait
Philip Plait
exoplanetsexoplanets
+3+3
A planet for Alpha Centauri A?

A planet for Alpha Centauri A?

JWST spots what might be a Jupiter-sized world around the nearest Sun-like star

Philip Plait
Philip Plait
exoplanetsexoplanets
+7+7
White Dwarf stars are dead, but they still feed... on planets
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White Dwarf stars are dead, but they still feed... on planets

Observations show a lot of these stars are actually zombies. Also: moving an Earth-threatening asteroid just got a bit harder

Philip Plait
Philip Plait
dustdust
+2+2
The nebula comes on little cat feet

The nebula comes on little cat feet

Carl Sandburg wasn’t talking about a vast cloud of gas and dust, but the poem still works for the Cat’s Paw nebula

Philip Plait
Philip Plait
exoplanetsexoplanets
+4+4
JWST directly images a cold exoplanet, the Flyeye asteroid hunter is now online
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JWST directly images a cold exoplanet, the Flyeye asteroid hunter is now online

14 Her c is around our same age, and ESA has a new telescope to look for space rocks

Philip Plait
Philip Plait
exoplanetsexoplanets
+1+1
JWST spies a Saturn-sized planet from a quadrillion kilometers away

JWST spies a Saturn-sized planet from a quadrillion kilometers away

The exoplanet orbits a red dwarf and is the lowest mass one ever directly spotted

Philip Plait
Philip Plait
supernovaesupernovae
+2+2
A pulsar plucks the Guitar Nebula
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A pulsar plucks the Guitar Nebula

Super-high-speed electrons from a dead star are plowing through the gas

Philip Plait
Philip Plait
PoliticsPolitics
+4+4
No Kings protest thoughts; the spectacular Sombrero Galaxy fools me again

No Kings protest thoughts; the spectacular Sombrero Galaxy fools me again

No Kings rally more than just a protest; a gorgeous galaxy looks a lot better than I first thought

Philip Plait
Philip Plait
galaxiesgalaxies
+2+2
The Big Wheel galaxy is way too big to exist when it did

The Big Wheel galaxy is way too big to exist when it did

It’s seen a couple of billion years after the Universe itself got started

Philip Plait
Philip Plait