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www.space.com | ||
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www.livescience.com
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| | | | | Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond Neptune, it orbits the sun every 25,000 years. | |
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science.nasa.gov
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| | | | | While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal. Earth [] | |
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www.leonarddavid.com
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| | | | | Megaconstellations like SpaceX's Starlink offer great benefits for humanity. But there are also costs, including a growing imposition on astronomy, experts say. | |
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www.lroc.asu.edu
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| | | [AI summary] This article answers common questions about the Moon, covering its first human visitation, rock samples, formation theories, surface composition, craters, and volcanoes. | ||