
ESA observations of interstellar comet 3I/ATLAS
The European Space Agency (ESA) reacted promptly to the discovery of comet 3I/ATLAS on 1 July 2025. Soon after they were alerted to its existence by automated detection systems, ESA astronomers began using ground-based telescopes in Hawaii, Chile, and Australia to monitor its progress.Since then, the comet has been
✦ Editorial Summary
The European Space Agency (ESA) promptly responded to the discovery of interstellar comet 3I/ATLAS in July 2025. ESA astronomers utilized ground-based telescopes in Hawaii, Chile, and Australia to monitor the comet's progress. Their observations began shortly after detection by automated systems.
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