Astronomy: Hubble uncovers rare white dwarf merger remnant
Coventry, Aug 13, 2025.- An international team of astronomers using the NASA/ESA Hubble Space Telescope have discovered a stellar rarity: an ultra-massive white dwarf that formed when a white dwarf merged with another star, rather than through the evolution of a single star. This discovery, which was made possible byContinuar Leyendo



















