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    NASA’s IMAP Mission ‘Go’ for Launch

    NASA Launch Manager, Dr. Denton Gibson, has given NASA’s IMAP (Interstellar Mapping and Acceleration Probe) mission a “go” for launch! Mission and launch managers are counting down to the 7:30 a.m. EDT launch of the SpaceX Falcon 9 rocket from Launch Complex 39A at NASA’s Kennedy Space Center in Florida.

    Second Stage Fueling Underway

    Fueling is underway for the second stage of the SpaceX Falcon 9 rocket carrying NASA’s IMAP (Interstellar Mapping and Acceleration Probe) observatory, Carruthers Geocorona Observatory, and the National Oceanic and Atmospheric Administration (NOAA) Space Weather Follow On – Lagrange 1 (SWFO-L1) spacecraft. The two-stage rocket is 229 feet tall and produces more than 1.7 million […]

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    NASA’s IMAP Suite of Instruments

    A round-shaped spacecraft with black solar panels on top appears at the center of the image against a black background speckled with white stars.

    NASA’s IMAP (Interstellar Mapping and Acceleration Probe) observatory will use 10 science instruments to study and map the heliosphere, a vast magnetic bubble surrounding the Sun that shields our solar system from incoming radiation from interstellar space. IMAP-Lo – Imager developed by the University of New Hampshire (UNH) that measures and maps particles created where the solar […]

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    Meet Missions Launching with IMAP

    NASA’s Carruthers Geocorona Observatory and the National Oceanic and Atmospheric Administration (NOAA) Space Weather Follow-On Lagrange 1 (SWFO-L1) spacecraft also are part of today’s launch. The Carruthers Geocorona Observatory is a small satellite that will travel to Lagrange point 1 (L1) to study the exosphere – the Earth’s outermost atmospheric layer before space – and […]

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    First Stage Fueling Begins

    Image shows the sunrise in the background with a white spacecraft in the foreground at NASA's Kennedy Space Center in Florida on Wednesday, Sept. 24, 2025. NASA and SpaceX are preparing to launch IMAP and its rideshares

    Mission managers polled “go” to begin fueling the SpaceX Falcon 9 first stage booster. We are now just under 40 minutes from launch, with RP-1, rocket grade kerosene, currently loading into the Falcon 9. The rocket’s first stage is currently being fueled with liquid oxygen, and propellant loading for the second stage will begin shortly. […]

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    Meet NASA’s Heliosphere Mapping Observatory

    A round-shaped spacecraft with black solar panels on top appears at the center of the image against a black background speckled with white stars.

    Liftoff remains on track for 7:30 a.m. EDT from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The U.S. Space Force’s 45th Weather Squadron predicts a 95% chance of favorable weather during launch NASA’s IMAP (Interstellar Mapping and Acceleration Probe) is about the size of a hot tub and weighs 2,000 pounds, a […]

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    NASA Broadcast Begins for IMAP Mission

    The historic countdown clock outside the NASA News Center at the agency’s Kennedy Space Center in Florida counts down to launch of NASA’s IMAP (Interstellar Mapping and Acceleration Probe), the agency’s Carruthers Geocorona Observatory, and National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Follow On–Lagrange 1 (SWFO-L1) spacecraft on Wednesday, Sept. 24, 2025.

    Live broadcast coverage is underway for this morning’s IMAP (Interstellar Mapping and Acceleration Probe) mission and its two rideshares, NASA’s Carruthers Geocorona Observatory and the National Oceanic and Atmospheric Administration (NOAA) Space Weather Follow On-Lagrange 1 (SWFO-L1) spacecraft from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. Weather remains 90% favorable with the […]

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    NASA, NOAA Observatories Set to Study Space Weather

    A spacecraft with a large solar panel floats in space with Earth visible in the background.

    In addition to NASA’s IMAP (Interstellar Mapping and Acceleration Probe), two other spacecraft are on the launch pad today, ready for liftoff. The agency’s Carruthers Geocorona Observatory and the National Oceanic and Atmospheric Administration (NOAA) Space Weather Follow On – Lagrange 1 (SWFO-L1) spacecraft will both contribute to increasing our understanding of space weather. The Carruthers […]

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    NASA’s IMAP Mission: Understanding Our Heliosphere

    A circular spacecraft floats in space with stars and dust visible in the background.

    NASA’s IMAP (Interstellar Mapping and Acceleration Probe) will help researchers better understand the boundary of the heliosphere, a vast magnetic bubble created by the Sun surrounding and protecting our solar system from harmful radiation across the galaxy. The heliosphere consists of the continual flow of energetic particles from the Sun, known as solar wind, as […]

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    Coverage Begins for Newest Space Weather Mission

    Image shows a SpaceX rocket at the launch pad carrying NASA's IMAP observatory, NASA's Carruthers Geocorona Observatory, and NOAA's SWFO-L1 satellite

    Online coverage is underway for this morning’s launch of NASA’s IMAP (Interstellar Mapping and Acceleration Probe), Carruthers Geocorona Observatory, and National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Follow – On Lagrange 1 (SWFO-L1) satellite. NASA’s IMAP will use 10 science instruments to study and map the heliosphere, a vast magnetic bubble surrounding the Sun […]

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