Timelapse movie of the moon shadow seen from the stratosphere, in a plane flying along the umbral path of the sun eclipse of 20th March 2015.
CHASING MOON SHADOWS: Total eclipses of the sun are achingly brief. The Moon's shadow races across the landscape at thousands of kilometers per hour, enveloping sky watchers for a matter of minutes at most. On March 20th, when the Moon passed in front of the sun over the Arctic Ocean, a few observers extended the experience--in an airplane. "Flying at 14,000 m was an incredible way to watch the eclipse," reports Sylvain Chapeland. "Our velocity of 950 km/h allowed an extra minute of totality." She recorded this must-see video over a stretch of ocean between Iceland and the Faroe Islands: