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NASA's IMAP Launched to Unravel Heliosphere Mysteries

9/29/2025

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Summary

Story summary

NASA's Interstellar Mapping and Acceleration Probe (IMAP) launched September 24, 2025 to study the heliosphere, which protects the solar system from cosmic radiation.
The heliosphere is inflated by solar wind.
IMAP will operate at L1, about 1 million miles from Earth, alongside two other spacecraft.
The mission carries 10 instruments, including three for energetic neutral atoms, to map the heliosphere.

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Story summary

NASA's Interstellar Mapping and Acceleration Probe (IMAP) launched September 24, 2025 to study the heliosphere, which protects the solar system from cosmic radiation.
The heliosphere is inflated by solar wind.
IMAP will operate at L1, about 1 million miles from Earth, alongside two other spacecraft.
The mission carries 10 instruments, including three for energetic neutral atoms, to map the heliosphere.