Bad Astronomy Newsletter
FAQ and Premium Subscription Fulfillment Policy
Login
Get the cosmos delivered to your email!
Bad Astronomy Newsletter
Topics
Milky Way Galaxy
Milky Way Galaxy
Hubble Space Telescope
Mars
exoplanets
solar system
ESA
2025
Jupiter
white dwarfs
Pluto
dust
asteroids
astrophotography
meteorites
math
Earth
scifi
nebula
Astronomy
NASA
Politics
galaxy clusters
black holes
TV
Moon
impacts
binary stars
Sgr A*
stars
TNOs
science
galaxies
JWST
Gamma-ray bursts
Colliding galaxies
Milky Way Galaxy
Gaia
black holes
black holes
+4
+4
Jun 09, 2025
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