| | July 13 Top Stories This Week | | | |
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| | From the new study, a computer-simulated image of a galaxy, as seen from above. Image via Christian Arnold/Baojiu Li/Durham University. Read more. | | |
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| | | Tonight and tomorrow … Moon to sweep by Jupiter | Binoculars or a small telescope would reveal Jupiter's 4 major moons, called Io, Europa, Ganymede and Callisto. They're all as big or bigger than Earth's moon. Find out the present positions of Jupiter's 4 big moons, and read more. | | | | |
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| | Kelvin-Helmholtz clouds over Nova Scotia | View at EarthSky Community Photos. | Photographer Tanvi Javkar spotted Kelvin-Helmholtz clouds spread across the sky on June 28 in Nova Scotia. See more photos of these clouds, which look like ocean waves. | | |