/sci/ - Science & Math

Today in history:
>1991 – The "Oh-My-God particle", an ultra-high-energy cosmic ray measured at 40,000,000 times that of the highest energy protons produced in a particle accelerator is observed at the University of Utah HiRes observatory in Dugway Proving Ground, Utah.
>1997 – The Cassini probe launches from Cape Canaveral on its way to Saturn.
>2001 – NASA's Galileo spacecraft passes within 112 miles of Jupiter's moon Io.
>2003 – China launches Shenzhou 5, its first manned space mission.