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Cometary Studies

3I/Atlas Characteristics Observational Astronomy Trajectory Analysis Carbon Dioxide Abundance 3I/ATLAS Interstellar Objects 3I/ATLAS Anomalies

10 ARTICLES

3mo ago

Hubble and Infrared Observations Show 3I/ATLAS Is an Active Interstellar Comet

Thanks to Hubble’s sharp images and infrared spectroscopy, astronomers place the nucleus at 320 m–5.6 km and confirm active dust emission under a red spectral slope.