Scientists find rare double-star spiral doomed for supernova explosion In 23 billion years, these two white dwarf stars will collide. Then, they'll explore. Here's why scientists say this discovery is such a big deal. Astrobitica April 7, 2025 (Last updated: April 7, 2025) 1 minute read In 23 billion years, these two white dwarf stars will collide. Then, they’ll explore. Here’s why scientists say this discovery is such a big deal. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Was there ever a planet between Mars and Jupiter? Next: FengYun-3 satellites improve global diurnal land surface temperature tracking