Messier 63 (NGC 5055), the Sunflower Galaxy in Canes Venatici, sits comfortably with its reputation as one of the great galaxies visible in the night sky at springtime.
The Hubble Space Telescope captures a textbook example of a luminous Seyfert galaxy and its active galactic nucleus along with details of the galaxy’s structure.
Not only of surpassing interest historically, zeta Ursae Majoris (UMa), or Mizar, the middle star in Ursa Major’s famous Plough asterism, is also one of the finest double stars in the sky for a small telescope.
Webb telescope discovers nested rings of debris around the hot young star Fomalhaut, an apparent indicator of unseen planets amid the chaos of their formation.