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ESA’s Planetary Defence Mission • Full Dome Show 3.2.2021 • Journey to an asteroid with Hera – a small spacecraft with big ambitions. Hera is ESA’s contribution to humanity’s first ever planetary defence experiment. Its up-close observations of double asteroid system Didymos will help prove whether we could ever deflect an asteroid on a collision course with Earth. Didymos is typical of the thousands of asteroids that pose an impact risk to our planet. In 2022, NASA will slam its DART spacecraft
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