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Astronomers Tracking Comet Originating Beyond Solar System
- Astronomers detected a new interstellar comet named 3I/ATLAS on July 1, 2025, using the NASA-funded ATLAS telescope in Chile.
- This discovery follows the earlier detections of two other interstellar objects, 1I/'Oumuamua in 2017 and 2I/Borisov in 2019, which sparked increased study interest.
- The comet is about 20 kilometers wide, traveling at roughly 60 kilometers per second relative to the sun, and was confirmed as interstellar on July 3 by ESA and NASA.
- As of July 3, the comet lies 420 million miles from Earth, will stay visible through September, pass 130 million miles from the sun around October 30, then become unobservable before reappearing in December.
- Scientists consider this the third known interstellar visitor and expect this discovery to provide more opportunities to study materials from beyond our solar system.
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NASA has discovered an interstellar comet that roamed our neighborhood. This week, the space agency detected the fast-moving object with the Atlas telescope in Chile, and confirmed that it was a comet from another star system. It is officially the third known interstellar object that passes through our solar system and does not pose a threat to the Earth. “These things take millions of years to go from one star neighborhood to another, so it is …
·Mexico
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Los Angeles Times+2 Reposted by 2 other sources
NASA has discovered an interstellar comet that roamed our neighborhood.
·Los Angeles, United States
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The American space agency NASA has discovered an interstellar comet passing through the solar system in which Earth is located, but which does not pose a threat to the planet.
·Belgrade, Serbia
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