The arrival of an interstellar comet is a truly momentous astronomical event, but witnessing one up close, from the orbit of another planet? That is the stuff of science fiction. Yet, this remarkable scenario has become reality thanks to the tireless efforts of the European Space Agency (ESA).
Since its discovery on July 1, 2025, the interstellar comet 3I/ATLAS, which is travelling on an extreme hyperbolic trajectory with an eccentricity estimated to be between 6.1 and 6.2, has captivated the global scientific community.
