Tag: #hubble

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

Hubble Spots a ‘Failed Galaxy’: Dark-Matter Cloud Cloud‑9 Has Gas but No Stars

Near galaxy M94, Hubble confirms Cloud‑9: a dark‑matter halo filled with hydrogen yet essentially starless, matching long‑predicted ‘failed galaxies.’

#hubble, #darkmatter, #galaxies, #astronomy, #cosmology