WEBVTT FILE 1 00:00:00.000 --> 00:00:03.210 NASA's solar dynamics observatory, or SDO, has a constant eye on the sun 2 00:00:03.230 --> 00:00:05.910 But sometimes it sees other bodies too. 3 00:00:05.930 --> 00:00:10.050 On September 1, 2016, Earth briefly blocked the spacecraft's view. 4 00:00:10.070 --> 00:00:13.480 5 00:00:13.500 --> 00:00:16.590 During this time, the moon was also crossing the face of the sun, 6 00:00:16.610 --> 00:00:19.120 which allowed SDO to capture a double eclipse. 7 00:00:19.140 --> 00:00:34.049