WEBVTT FILE 1 00:00:00.390 --> 00:00:06.660 NASA is set to launch a shoebox-sized satellite into space to study how Earth's atmosphere interacts wth the Sun. 2 00:00:06.680 --> 00:00:12.290 The CubeSat is named Dellingr after the mythological Norse god of the dawn. 3 00:00:12.310 --> 00:00:17.710 The spacecraft recently completed tests in the Magnetic Test Facility at NASA Goddard. 4 00:00:17.730 --> 00:00:24.120 The room encloses a 42-foot-diameter coil system that cancels out Earth's magnetic field. 5 00:00:24.140 --> 00:00:30.620 The entire building is made with nonmagnetic materials such as wood and aluminum. 6 00:00:30.640 --> 00:00:35.660 The facility is isolated from other buildings to avoid any other magnetic influence. 7 00:00:35.680 --> 00:00:42.970 This allowed scientists to evaluate the spacecraft's own magnetic field, which can affect its movement and measurements in space. 8 00:00:42.990 --> 00:00:50.080 They also tested Dellingr's magnetometers - key instruments for measuring the direction and strength of the magnetic fields that surround Earth. 9 00:00:50.100 --> 00:00:56.570 Dellingr will study the ionosphere - a layer of charged particles in Earth's upper atmosphere. 10 00:00:56.590 --> 00:01:02.720 Solar radiation interacts with the ionosphere, causing it to expand and contract. 11 00:01:02.740 --> 00:01:09.530 The movement of the ionosphere can drive space weather and affect satellite orbits. 12 00:01:09.550 --> 00:01:16.240 CubeSats are relatively inexpensive and provide scientists with quick and accurate data from space. 13 00:01:16.260 --> 00:01:21.760 Scientists have been able to fly constellations of low-cost missions and micro satellites 14 00:01:21.780 --> 00:01:26.910 for gathering simultaneous and global measurements. 15 00:01:26.930 --> 00:01:32.130 The more satellites like Dellingr we have to explore the complex Sun-Earth system, 16 00:01:32.150 --> 00:01:38.540 the better we can understand how it might affect us here on Earth. 17 00:01:38.560 --> 00:01:45.218