Colliding galaxies

Hubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutodustasteroidsastrophotographymeteoritesvolcanoesmathEarthcosmologythe SunscifiVera Rubin ObservatorynebulaAstronomyNASAPoliticsgalaxy clustersblack holesTVAbout the newsletterMoonimpactsbinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyGaia
cosmologycosmology
+5+5
The Owl Galaxies are hiding a secret in plain sight. But what is it?

The Owl Galaxies are hiding a secret in plain sight. But what is it?

It might be a supermassive black hole, or it might be a bazillion newborn stars

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
galaxy clustersgalaxy clusters
+3+3
A clump of quasars REALLY defies the odds

A clump of quasars REALLY defies the odds

Astronomers find neatly a dozen quasars jammed into a small volume of space, and no one knows why they’re there.

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

A second look at a spectacular galactic collision; Curiosity from Mars orbit

Two very cool images for you today

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
Hubble Space TelescopeHubble Space Telescope
+2+2
INCREDIBLE and spectacular Hubble image of a galaxy that got whacked by another galaxy

INCREDIBLE and spectacular Hubble image of a galaxy that got whacked by another galaxy

The collision caused easily visible multiple rings of stars to ripple outward

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+3+3
Spectacular colliding galaxies from Hubble and JWST

Spectacular colliding galaxies from Hubble and JWST

Views from both telescopes let us compare and contrast a cosmic collision

Philip Plait
Philip Plait