Giant radio galaxy Alcyoneus is now the largest known galaxy in the Universe While IC 1101 still holds the record for the largest galaxy in terms of the extent of its stars, Alcyoneus is 230% as long as measured from end-to-end. Free Wallpaper

Giant radio galaxy Alcyoneus is now the largest known galaxy in the Universe While IC 1101 still holds the record for the largest galaxy in terms of the extent of its stars, Alcyoneus is 230% as long as measured from end-to-end.