Tag: #darkmatter

UCL Reanalysis Confirms 20 GeV Gamma‑Ray Halo Around Milky Way, but Stops Short of Dark‑Matter Claim

UCL reanalysis finds a persistent 20 GeV gamma‑ray halo in Fermi-LAT data around the Milky Way but cautions it's consistent with—not proof of—dark matter.

#astronomy, #darkmatter, #fermilat, #astrophysics

Keck Spectroscopy Finds Third Dark-Matter–Deficient Galaxy in NGC 1052 Field

Keck spectroscopy suggests NGC 1052-DF9, like DF2 and DF4, shows stellar motions consistent with little dark matter — but distances and measurements remain uncertain.

#astronomy, #darkmatter, #dwarfgalaxies, #ngc1052

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