Tag: #hubble

Astronomers Report Possible Direct Detection of Ionizing UV from Faint Galaxies at Redshift 6

A new arXiv preprint reports stacked detections of extreme‑UV photons from faint galaxies at z≈6, implying high escape fractions if confirmed.

#astronomy, #reionization, #astrosat, #hubble

A ‘Hostless’ Gamma-Ray Burst Traced to a Tiny Galaxy in Tidal Debris, Shedding Light on Gold’s Origins

Astronomers used Chandra and Hubble to trace a 2023 short gamma-ray burst to a faint mini-galaxy in a tidal tail, reshaping ideas on hostless blasts and gold.

#astronomy, #gammarayburst, #neutronstars, #hubble, #chandra

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