Science ❯ Planetary Science ❯ Solar System

Cometary Studies

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

10 ARTICLES

11mo 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.