On the outer fringes of the Andromeda Galaxy an unusual ultra-faint dwarf galaxy, first spotted by an amateur astronomer, has been observed by the Gemini North telescope on Maunakea. The followup observations reveal the galaxy is a “fossil,” and among the first galaxies to form in the Universe.
Read more, in the Gemini Observatory press release. The International Gemini Observatory is a program of NSF’s NOIRLab.