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Technicians transport NASA’s IMAP (Interstellar Mapping and Acceleration Probe) observatory to Building 2 where they will load 317 pounds (or 144 kilograms) of hydrazine into three tanks into the spacecraft at the Astrotech Space Operations Facility near NASA’s Kennedy Space Center in Florida on Tuesday, Aug. 12, 2025. IMAP will explore and map the boundaries of the heliosphere — a huge bubble created by the Sun’s wind that encapsulates our entire solar system — and study how the heliosphere interacts with the local galactic neighborhood beyond.
