stars

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsneutron starsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologypulsarsmoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionplanetary nebulaedebunkingblack holesphysicsTVgravitational lensingVenusAbout the newsletterMoonAbout mespace explorationimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsdark matterColliding galaxiesMilky Way GalaxyScientific AmericanGaia
dustdust
+6+6
Happy 2^10th / 8th anniversary issue! To celebrate, here’s a DEEP discount.

Happy 2^10th / 8th anniversary issue! To celebrate, here’s a DEEP discount.

Plus: A jaw-dropping star-forming nebula courtesy of JWST

Philip Plait
Philip Plait
supernovaesupernovae
+3+3
Mini-Neptunes may be hot and solid. Also, a star blew out a LOT of stuff before exploding.
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Mini-Neptunes may be hot and solid. Also, a star blew out a LOT of stuff before exploding.

Exoplanets keep getting weirder, and a pre-supernova star expelled truly vast amounts of helium

Philip Plait
Philip Plait
white dwarfswhite dwarfs
+2+2
A naked-eye monster star turns out to be way more complicated than you’d think

A naked-eye monster star turns out to be way more complicated than you’d think

Gamma Cas is easy to spot, but hard to understand

Philip Plait
Philip Plait
exoplanetsexoplanets
+3+3
Looking for planets? On average, you’ll find one around every red dwarf
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Looking for planets? On average, you’ll find one around every red dwarf

Also: Jupiter lightning is ridiculously powerful

Philip Plait
Philip Plait
astrophotographyastrophotography
+7+7
View from a height: The Earth from Artemis II

View from a height: The Earth from Artemis II

Moon-bound astronauts get a gorgeous shot of home, with lots of fun details

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+10+10
Two JWST stories: an incredible nebula/star cluster image, and a map of dark matter

Two JWST stories: an incredible nebula/star cluster image, and a map of dark matter

Westerlund 2 is a feast for the eyes, and the dark matter map a feast for the brain

Philip Plait
Philip Plait
climate changeclimate change
+4+4
A fun (not really) twist on global warming: land sinking
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A fun (not really) twist on global warming: land sinking

Plus a small satellite will look at big science for small stars

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+7+7
The Red Spider Nebula: JWST’s view of gorgeously dying star

The Red Spider Nebula: JWST’s view of gorgeously dying star

In stellar death lies great beauty, and amazing science

Philip Plait
Philip Plait
miscellanymiscellany
+6+6
The astronomer who discovered what the universe was made of

The astronomer who discovered what the universe was made of

Cecelia Payne-Gaposchkin was an amazing scientist, and her work wasn’t all that long ago

Philip Plait
Philip Plait
miscellanymiscellany
+4+4
How incomplete are we?
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How incomplete are we?

Completeness is an important concept for surveys in astronomy

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+4+4
Space debris is hurting us in another way: making the sky brighter
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Space debris is hurting us in another way: making the sky brighter

Also, the blue stragglers mystery may finally be solved

Philip Plait
Philip Plait
supernovaesupernovae
+4+4
A red supergiant that isn’t yellow
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A red supergiant that isn’t yellow

WOH G64 has apparently kept its hue. Also, the sun does seem to be able to fry asteroids that venture too close

Philip Plait
Philip Plait