One year ago today, a one-ton, SUV-sized spacecraft “blasted into the Mars atmosphere at more than 13,000 miles an hour, deployed a supersonic parachute, fired eight rocket engines, unfurled a giant sky crane and lowered itself to the Martian soil.” PBS NewsHour’s Jenny Marder has a post up today looking back at that incredible milestone. Yours truly was there, and it was an amazing thing to witness. (HT: Aileen Graef)