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NASA's Interstellar
Mapping and Acceleration Probe,

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or IMAP, is undergoing extreme
testing at NASA's

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Marshall Space
Flight Center in Huntsville, Alabama.

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After unloading, the spacecraft was lifted

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into one of Marshall's
thermal vacuum chambers.

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Inside the chamber, a 28-day test mimics
the extreme environment of space,

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including temperatures as cold as -148°F.

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In space, IMAP will study the heliosphere,

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the magnetic bubble surrounding
and protecting our solar system.

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Once testing is complete,
the spacecraft will be shipped to NASA's

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Kennedy Space Center in Florida,

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where it's slated to launch
no earlier than September 2025.