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    Sentinel-6 Satellite Arrives at Vandenberg for Preflight Checkout

    A shipping container containing the Sentinel-6 Michael Freilich satellite is transported on a truck to the SpaceX payload processing facility at Vandenberg Air Force Base after arriving in California on Sept. 24, 2020.

    The Sentinel-6 Michael Freilich satellite, secured inside a shipping container, arrived at Vandenberg Air Force Base in California on Thursday, Sept. 24, aboard an Antonov cargo aircraft. It was offloaded from the aircraft and moved to the SpaceX Payload Processing Facility for checkout and preflight processing. The mission is an international partnership and the first …

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    ACTIVATE Makes a Careful Return to Flight

    By Joe Atkinson / NASA's Langley Research Center, Hampton, Virginia/ Four months ago, with COVID-19 disrupting life across the globe, it seemed virtually unthinkable that a major NASA airborne science campaign would fly again anytime soon. But today, that's exactly what's happening. In August, NASA's Aerosol Cloud Meteorology Interactions Over the Western Atlantic Experiment (ACTIVATE) eased …

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    NASA Prepares for Upcoming Launch of Sentinel-6 Michael Freilich Satellite

    Illustration of the Sentinel-6/Michael Freilich satellite in orbit.

    NASA is preparing for the launch of the Sentinel-6 Michael Freilich satellite, an international partnership that is the first launch of a constellation of two identical satellites launched sequentially. Together, they will continue observations of sea level change for at least the next decade. The mission is targeted for launch Nov. 10 at 2:31 p.m. …

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    Mission to study space weather moves into formulation

    Data visualization showing Earth with two bands of dense plasma near the equator, complex upper atmospheric winds, and Earth's magnetic field like a belt near the middle of the planet.

    By Sarah FrazierNASA's Goddard Space Flight Center NASA will begin formulation of a new mission to study Earth's dynamic interface to space: the upper atmosphere. This is a region that is constantly changing, influenced by Earth's weather percolating up from below and space weather — in the form of solar energy and space plasma — …

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    Small-Class Flare Seen on the Sun

    The Sun Spot blog logo

    By Mara Johnson-Groh NASA's Goddard Space Flight Center Late on August 16, 2020, the Sun released a burst of light and energy known as a solar flare. This B1-class solar flare – the second smallest class of flare – peaked at 1:26p.m. EDT. NASA's Solar Dynamics Observatory observes the Aug. 16, 2020, B-class flare at …

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    Coronal Holes and Fast Solar Wind

    The dark spot across the north pole of the Sun – as captured in this image on July 31, 2020, from NASA's Solar Dynamics Observatory, or SDO – is an area of relatively cooler material in the solar atmosphere, known as a coronal hole. Coronal holes are regions on the Sun where the magnetic field …

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