NASA is launching rockets into auroras to investigate the factors that contribute to their distinct movements. Alaska's Fairbanks In an effort to learn more about polar auroras, also referred to as the Northern Lights, NASA plans to launch rockets into the night sky over Alaska this week.
Each aurora is distinct, much like a fingerprint or a snowflake. They take the form of ribbons of light that span the entire color spectrum. A one-time light show across the night sky is what each event is. Scientists don't know what causes the distinct movements of polar auroras, but they do know that they are caused by charged particles called solar flares that are released by the Sun and interact with Earth's magnetic field.
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NASA scientists are specifically trying to figure out why some auroras pulsate, some flicker, and some seem to have holes in them.
Two imaginatively named missions are being flown by NASA's Goddard Space Flight Center from the Poker Flat Research Range in Fairbanks.
NASA has identified two different subtypes of aurora: «so-called fast-pulsating auroras, which flash on and off a few times a second, and the other for flickering auroras, which do so up to 15 times a