Surrounded by a fresh blanket of snow and subzero temperatures a supermoon sets behind the air traffic control tower at the Sioux City, Iowa airport just before sunrise on February 19, 2019. The February supermoon is the second of three supermoons that will occur this year. A supermoon happens when a full moon is also at its closest orbit to earth. The effect makes the moon appear larger and significantly brighter than normal. U.S. Air National Guard photo by Senior Master Sgt. Vincent De Groot 185th ARW PA

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Photo by: Senior Master Sgt. Vincent De Gr |  VIRIN: 190219-Z-KZ880-005.JPG