WEBVTT FILE 1 00:00:02.700 --> 00:00:06.280 What goes up 2 00:00:06.300 --> 00:00:09.810 must come down. 3 00:00:09.830 --> 00:00:14.840 A NASA-funded balloon experiment has been recovered 4 00:00:14.860 --> 00:00:19.020 a year after flying over Antarctica. 5 00:00:19.040 --> 00:00:25.490 In January 2016, the balloon circled around the continent for 12 days 6 00:00:25.510 --> 00:00:30.400 carrying a telescope designed to study the sun. 7 00:00:30.420 --> 00:00:35.520 The telescope measured high-energy particles generated from solar flares 8 00:00:35.540 --> 00:00:41.070 to better understand how these processes can affect satellites and life on Earth. 9 00:00:41.090 --> 00:00:46.250 After the flight, scientists recovered the data vaults 10 00:00:46.270 --> 00:00:52.190 but due to incoming winter weather, they left the remaining instruments on the ice. 11 00:00:52.210 --> 00:00:58.440 This January, in the Antarctic summer, scientists returned to the landing site 12 00:00:58.460 --> 00:01:03.480 and successfully recovered the instruments and hardware. 13 00:01:03.500 --> 00:01:08.280 Summer is a good time to recover balloon experiments, 14 00:01:08.300 --> 00:01:12.450 and also to launch them. 15 00:01:12.470 --> 00:01:17.210 The sun doesn’t set for a few months in the Antarctic summer, 16 00:01:17.230 --> 00:01:21.480 which allows instruments to observe the sun continuously. 17 00:01:21.500 --> 00:01:26.290 Winds in the stratosphere blow in a circular path around the pole 18 00:01:26.310 --> 00:01:31.060 allowing missions to return roughly to the place they were launched. 19 00:01:31.080 --> 00:01:34.000 With a successful recovery, 20 00:01:34.020 --> 00:01:39.480 scientists are hoping to re-use the instruments for future flights. 21 00:01:39.500 --> 00:01:46.092