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Rare Comet 3I/ATLAS Offers Unique Observation Opportunity

9/19/2025

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Story summary
  • Interstellar comet 3I/ATLAS is currently passing through the Solar System, offering a unique observation opportunity.
  • It will become invisible from Earth as it moves behind the Sun, reappearing in December 2025.
  • Spacecraft at Mars, Jupiter, and the Sun will attempt to observe 3I/ATLAS during its journey.
  • The European Space Agency's Mars Express and ExoMars will observe the comet on October 3, 2025.
  • This network of spacecraft increases the likelihood of studying this ancient cosmic relic.