Stunning image of planet-destroying star at the heart of a nebula - Boing Boing

For over forty years, astronomers have been baffled by X-rays from the white dwarf at the center of the Helix Nebula. A white dwarf is the remnant of a star…For over forty years, astronomers have been baffled by X-rays from the white dwarf at the center of the Helix Nebula. A white dwarf is the remnant of a star that has shed its outer layers to form a n…