NASA’s Chandra telescope uses ‘X-arithmetic’ to reveal how black holes shape galaxy clusters (images) A novel "X-arithmetic" technique reveals how black holes shape the universe's largest structures. Astrobitica December 11, 2025 (Last updated: December 11, 2025) 1 minute read A novel “X-arithmetic” technique reveals how black holes shape the universe’s largest structures. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Parker Solar Probe spies solar wind ‘U-turn’Next: SpaceX launches Starlink satellites from Florida on worldwide 300th orbital flight of 2025