Stories by raattgift

Gamma Ray Burst GRB 221009A, Astronomy Picture of the Day 2022 October 15

Operator Calculus

We built the Guardian’s Tor Onion service

Webb Captures a Cosmic Tarantula

Physicists dispute a claim of detecting a black hole’s 'photon ring'

All in all, it’s just another brick in the mass function

The photon ring: a black hole ready for its close-up

ESO telescope images a cosmic dance

Scientists mapped dark matter around galaxies in the early universe

Do ‘bouncing universes’ have a beginning?

Neutrino Mystery Endures

Einstein's paper that asserted the reality of quanta published OTD 1905

Stellar Streams as Dark Matter Maps

Unusual neutron star spinning every 76 seconds discovered in stellar graveyard

A trail of dark-matter-free galaxies from a bullet-dwarf collision

Galaxies without dark matter DF2 and DF4

Kerr Spherical Photon Orbits (2016)

What I learned as a hired consultant to autodidact physicists (2016)

How did supermassive black holes get so big so fast?

Nicer X-ray observations: it could be a relativistic tidal disruption event

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