NASA’s IMAP Begins Critical Solar Interactions | Aviation Week Network

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Mark Carreau
February 02, 2026

NASA’s IMAP (Interstellar Mapping and Acceleration Probe) spacecraft is on its way to Lagrange point 1 following a successful separation from the rocket’s second stage. NASA

NASA’s Interstellar Mapping and Acceleration Probe (IMAP) spacecraft is on its way to Lagrange Point 1 following a successful separation from the rocket’s second stage.

Credit: NASA

HOUSTON—NASA’s Interstellar Mapping and Acceleration Probe (IMAP) has begun its two-year primary mission to explore and map the boundaries of the protective bubble called the heliosphere which is created by solar wind that encapsulates the Solar System. The $781.8 million IMAP mission was launched…

Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America’s space program through news reporting.

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