#Harvard
Mauna Kea’s Keck Observatory plays key role in mapping one of five supernovae ever seen from Earth
A Caltech-led team using W. M. Keck Observatory on Mauna Kea, Hawaiʻi Island has mapped in 3-D the remains of a historical supernova that went boom in the year 1181 – it’s one of only five confirmed supernovae in our Milky Way galaxy ever seen from Earth and recorded in human history.