On October 15, 1991, astronomers detected a particle going faster than anyone thought was possible. "Nobody ever thought you could concentrate so much energy into a single particle before," said David Kieda, an astrophysicist at the University of Utah. Enter the Oh-My-God particle—not to be confused with the God particle—the mysterious little cosmic ray that could. Probably.
No Cosmic Speed Limits Here
It's a Bird! It's a Plane! It's ... OMG
The Oh My God Particle
5 Unsolved Space Mysteries
Key Facts In This Video
Dried stream beds are evidence Mars once had bodies of water. 00:02
The universe is expanding faster than what the laws of gravity can predict. 03:33
Visible matter only makes up approximately 5 percent of the universe. 04:01
How Cosmic Rays Make Astronauts See Stars
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