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Meteors from the Geminid meteor shower streak across the sky above the Nicholas U. Mayall 4-meter telescope at Kitt Peak National Observatory (KPNO). Graphic illustration of molecules floating with cinema tape against a dark background. 2 rows of 3 scanning tunnel microscope images showing purple shapes against a dark background. Young plants lined up in a row in a petri dish, ranging from green to red hues. Container ship under Golden Gate Bridge in San Francisco. A rendering in paraview of the product of the 3D reconstruction. (Credit: David Raftrey) Gray particles of various sizes against a dark background, imaged here by a scanning electron microscope. Portrait of Peter Fischer, a person with short brown gray hair wearing glasses and a dark top, photographed against a gray backdrop. The Carousel Lens, an alignment consisting of 1 foreground galaxy cluster (the ‘lens’) and 7 background galaxies spanning immense cosmic distances through the gravitationally distorted space-time around the lens, as seen through the Hubble Space Telescope. Three individuals are pictured in separate circular frames against a background of a green circuit board. The person on the left has a beard and short dark hair, wearing a blue shirt. The person in the center has long black hair and is smiling, wearing a dark shirt. The person on the right has a beard and is wearing a suit jacket over a white shirt. Collage of three people's headshots against a blue and green background. Ethan Crumlin (far right) and Staff Scientist Jin Qian in the Advanced Light Source