Back to Article List From the August 2008 issue How many supernovae explode each second in the universe? Allen Dailey, Sedona, Arizona By Astronomy Staff | Published: August 25, 2008 | Last updated on May 18, 2023 Putting these numbers together, about 40 supernovae are exploding somewhere in the universe every second.
Science, Solar System Could we send a spaceship to Comet 3I/ATLAS to collect samples and bring them back for analysis?
