“Undetected” –NASA Discovers Hiroshima-Size 2018 Asteroid Explosion Above the Bering Sea

  A fireball exploded above the Bering Sea at about noon local time on December 18, 2018 from an asteroid with 10 times the energy of Hiroshima’s atomic bomb at a speed of 32 km/s (20 miles per second). The event went unobserved until military satellites spotted light the explosion released. The fireball was also … Continue reading “Undetected” –NASA Discovers Hiroshima-Size 2018 Asteroid Explosion Above the Bering Sea