Tag: #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

Hubble pins down the size of interstellar comet 3I/ATLAS, bolstering natural-origin case

New Hubble analysis extracts the first solid measurement of an interstellar comet’s ядро: a ~2.6-km, elongated nucleus behaving like ordinary comets.

#astronomy, #hubble, #comets, #interstellar

NASA’s TESS and Hubble Capture Best Look Yet at Interstellar Comet 3I/ATLAS

A rare January alignment let TESS track 3I/ATLAS for days and Hubble image its backlit dust and jets, yielding the best profile yet of an alien comet.

#nasa, #hubble, #tess, #comet, #interstellar