May 7th, 2019
(updated May 3rd, 2023)
Aurora in Ny-Ålesund, Svalbard on December 6, 2018. A GIF optimized for Twitter. || Aurora in Ny-Ålesund, Svalbard on December 6, 2018.Credit: NASA/Joy Ng || Aurora in Ny-Ålesund, Svalbard on December 4, 2018.Credit: NASA/Joy Ng || Aurora in Ny-Ålesund, Svalbard on December 7, 2018. The green laser in the distance is the Koldewey Aerosol Raman Lidar that measures tiny particles in Earth's atmosphere.Credit: NASA/Joy Ng || The cusp aurora in Ny-Ålesund, Svalbard. It's a type of aurora that appears only during the day. It looks similar to aurora at night but when these iridescent lights appear, a hundred tons of atmosphere escapes into space. Scientists say this is a natural process that will occur over billions of years. Credit: NASA/Chris Pirner ||
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