3I/ATLAS at ~30M km: ExoMars CaSSIS Spots Coma as Mars Express Stacks Images
Interactive brief with factual intro, instrument status, and related links. ESA’s ExoMars & Mars Express Observe Interstellar Comet 3I/ATLAS Oct 1–7, 2025: Mars‑orbiting spacecraft targeted 3I/ATLAS. ExoMars CaSSIS recorded a faint coma;