dust

Hubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutodustasteroidsastrophotographymeteoritesvolcanoesmathEarthcosmologythe SunscifiVera Rubin ObservatorynebulaAstronomyNASAPoliticsgalaxy clustersblack holesTVAbout the newsletterMoonimpactsbinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyGaia
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
supernovaesupernovae
+3+3
A second star for Betelgeuse?!

A second star for Betelgeuse?!

Astronomers post a possible binary companion for the soon-to-be supernova

Philip Plait
Philip Plait
cometscomets
+5+5
An update on our 3rd alien visitor, and a new banner for BAN

An update on our 3rd alien visitor, and a new banner for BAN

More info on the interstellar comet 3I/ATLAS, and the Trifid is the new newsletter banner

Philip Plait
Philip Plait
dustdust
+6+6
Rubin opens its eye. And what it sees is the Universe.

Rubin opens its eye. And what it sees is the Universe.

Mind-blowing first images from the huge telescope.

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
A second look at a spectacular galactic collision; Curiosity from Mars orbit
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A second look at a spectacular galactic collision; Curiosity from Mars orbit

Two very cool images for you today

Philip Plait
Philip Plait
exoplanetsexoplanets
+2+2
A dying planet divebombs its star

A dying planet divebombs its star

The planet flew a little too close to the sun

Philip Plait
Philip Plait
dustdust
+2+2
Incredible JWST image of NGC 1514’s double ringed mystery

Incredible JWST image of NGC 1514’s double ringed mystery

It’s bizarre, and we still don’t understand this dusty structure

Philip Plait
Philip Plait