Tag: #darkmatter

Reanalysis finds no evidence of planetary‑mass primordial black holes in Andromeda data

Independent reanalysis finds 12 short events in Subaru observations of M31 are ordinary stellar variability, not planetary‑mass primordial black holes.

#darkmatter, #primordialblackholes, #astronomy, #andromeda

Astronomers Spot a ‘Ghost Galaxy’ Made Almost Entirely of Dark Matter

Using Hubble, Euclid and Subaru, researchers confirmed an ultra-faint Perseus cluster galaxy whose mass appears to be more than 99% dark matter.

#darkmatter, #astronomy, #hubble, #euclid, #galaxies