NASA rocket launches from Poker Flat in search of aurora answers

    A NASA Black Brant IX sounding rocket launches from Poker Flat Research Range north of Fairbanks at 2:27 a.m. Saturday, March 5, 2022. (Photo by NASA/Terry Zaperach)

    Juneau, Alaska (KINY) - A NASA Black Brant IX sounding rocket soared high out of Poker Flat Research Range north of Fairbanks at 2:27 a.m. Saturday to learn more about pulsating aurora.

    The Loss through Auroral Microburst Pulsations, or LAMP, experiment seeks to determine whether the pulsating aurora is connected to another phenomenon called microbursts, higher-energy electrons from the Earth’s magnetosphere driven toward Earth in bursts that last about one-tenth of a second. That is faster than the pulsating aurora but similar to the flickering inside the pulsations.

    A pulsating aurora looks patchy and occurs within minutes or sometimes hours after the conclusion of a discrete aurora, the familiar curtain-like type of aurora.

    The launch had been repeatedly postponed since the Feb. 24 opening of the launch window because scientists needed the right combination of active aurora and good weather at a camera site in Venetie, which is located more than 130 miles north of the range.

    Weather and aurora activity improved in recent days. Alexa Halford, space physics researcher at NASA’s Goddard Space Flight Center and the experiment’s lead investigator, detected pulsating aurora over Venetie early Saturday and determined that launch conditions were favorable.
    Good data was received from all instruments aboard the sounding rocket.

    The launch was the first at Poker Flat since January 2020.

    The University of Alaska Fairbanks Geophysical Institute owns Poker Flat, located at Mile 30 Steese Highway, and operates it under a contract with NASA’s Wallops Flight Facility, which is part of the Goddard Space Flight Center.

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