Discovery of 3I/ATLAS: A Visitor From Beyond Astronomers have confirmed a rare cosmic interloper entering our solar system – a comet from another star. The object, officially designated 3I/ATLAS, was first spotted on July 1, 2025 by the NASA-funded ATLAS survey telescope in Río Hurtado, Chile science.nasa.gov esa.int. (ATLAS stands for Asteroid Terrestrial-impact Last Alert…
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Key take‑aways (one‑paragraph executive summary) In early July 2025 astronomers using the NASA‑funded ATLAS telescope in Chile discovered a hyper‑fast object now designated 3I/ATLAS (C/2025 N1)—only the third confirmed interstellar body to enter our Solar System after ’Oumuamua (2017) and Borisov (2019). Follow‑up astrometry shows an inbound velocity of ≈58 km s⁻¹ and an orbital eccentricity of ≈6.1, values far in…
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