1 00:00:00,867 --> 00:00:03,870 NASA's Interstellar Mapping and Acceleration Probe, 2 00:00:03,870 --> 00:00:07,640 or IMAP, is undergoing extreme testing at NASA's 3 00:00:07,640 --> 00:00:10,643 Marshall Space Flight Center in Huntsville, Alabama. 4 00:00:11,711 --> 00:00:14,147 After unloading, the spacecraft was lifted 5 00:00:14,147 --> 00:00:17,150 into one of Marshall's thermal vacuum chambers. 6 00:00:17,984 --> 00:00:22,856 Inside the chamber, a 28-day test mimics the extreme environment of space, 7 00:00:22,856 --> 00:00:27,560 including temperatures as cold as -148°F. 8 00:00:28,194 --> 00:00:31,398 In space, IMAP will study the heliosphere, 9 00:00:31,398 --> 00:00:34,868 the magnetic bubble surrounding and protecting our solar system. 10 00:00:35,335 --> 00:00:38,805 Once testing is complete, the spacecraft will be shipped to NASA's 11 00:00:38,805 --> 00:00:40,540 Kennedy Space Center in Florida, 12 00:00:40,540 --> 00:00:43,977 where it's slated to launch no earlier than September 2025.