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ALT Ridges and bands stretch across Jupiter's icy moon Europa in this view from NASA's Juno spacecraft, revealing the tectonic stresses that the moon has endured over millennia. The day-night boundary is at left. The terrain there is rugged, with pits and troughs. The moon is a dusty beige in color, which contrasts with the dark background of space. Credit: Image data: NASA/JPL-Caltech/SwRI/MSSS Image processing by Björn Jónsson CC BY-NC-SA 2.0

ALT The Expedition 43 crew on the International Space Station took this photo of North Africa while passing overhead. Land and water each take up about half of the image; blue water hugs the curvy land border. White clouds appear over water and land, and at the very top of the image, the darkness of space can be seen. Credit: NASA

ALT An infographic shows the Milky Way galaxy as a hazy, star-filled spiral. An area on the outer left is labeled our solar system. A red cone extending upward from that is labeled Most known exoplanets. Then there are about a dozen yellow dots extending in a line toward the center of the galaxy and much farther than the red cone. They are labeled microlensing exoplanets. It is titled Milky Way galaxy and labeled Artist's concept.

ALT Map of the Washington, Philadelphia and New York region. Colors indicate density of nitrogen dioxide as measured by the TEMPO satellite on Aug. 2, 2023 shortly after noon Eastern. Most of the area is blue, indicating low levels of the pollutant. There are dark purple and red blobs near Washington and New York, indicating higher pollution, as well as a line of higher pollution stretching between the cities along the I-95 corridor. Credits: Kel Elkins, Trent Schindler, and Cindy Starr/NASA's Scientific Visualization Studio




















