On This Day 30 Years Ago, the Eclipse of a Lifetime and of the Century!

The total solar eclipse of July 11th, 1991 was hailed as the “Eclipse of the Century”. On this day 30 years ago, traveling with a group of friends and colleagues, I was in Cabo San Lucas, Mexico to observe the Eclipse of 11 July, 1991. 2 days of the 5-day, 4-night trip was in Cabo.[…]

Electron Capture Supernova Observed

Using the Keck Observatory’s Low Resolution Imaging Spectrometer (LRIS) and DEep Imaging and Multi-Object Spectrograph (DEIMOS) attached to the 10 meter telescopes on Mauna Kea, we’ve observed a long-postulated, third type of supernova, an “Electron Capture” supernova. It is believed, based on composite imaging across multiple spectral regimes, the famous Crab Nebula may have been[…]

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