A cosmic heart bursts with light in new deep space astrophotographer portrait (photo) The Heart Nebula shines 6,000 light-years from Earth in the constellation Cassiopeia. Astrobitica October 19, 2025 (Last updated: October 19, 2025) 1 minute read The Heart Nebula shines 6,000 light-years from Earth in the constellation Cassiopeia. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Signs of Late-Stage Cryovolcanism in Pluto’s Hayabusa TerraNext: Watch comets Lemmon and SWAN make their closest approach to Earth live online on Oct. 20