binary stars

Hubble Space TelescopeMarssupernovaeexoplanetssolar systemESA2025Jupiterwhite dwarfsPlutodustasteroidsastrophotographymeteoritesmathEarthcosmologyscifinebulaAstronomyNASAPoliticsgalaxy clustersblack holesTVMoonimpactsbinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyGaia
black holesblack holes
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Did our local supermassive black hole recently eat its little sibling?

Did our local supermassive black hole recently eat its little sibling?

Indirect evidence suggests a smaller black hole orbited the much, much larger one

Philip Plait
Philip Plait
AstronomyAstronomy
+3+3
Is the WR 104 system pointing a gamma-ray burst at Earth? Probably not.

Is the WR 104 system pointing a gamma-ray burst at Earth? Probably not.

New observations indicate it’s aimed away from us

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+4+4
Hubble tips hat to the Sombrero Galaxy, More weird white dwarfs

Hubble tips hat to the Sombrero Galaxy, More weird white dwarfs

Celebrate Hubble’s 35th, and more two-faced white dwarfs are popping up

Philip Plait
Philip Plait
AstronomyAstronomy
+3+3
Two colossal stars send out waves of dust in an amazing JWST image

Two colossal stars send out waves of dust in an amazing JWST image

WR 140 is a terrifying star system, but it sure is beautiful. Also, announcing a new rate for the newsletter.

Philip Plait
Philip Plait