The European Space Agencys Hera spacecraft for planetary defence has resolved its two target asteroids separately for the very first time, revealing the binary nature of the Didymos system, currently some 197 million km away from Earth.
The European Space Agencys Hera spacecraft for planetary defence has resolved its two target asteroids separately for the very first time, revealing the binary nature of the Didymos system, currently some 197 million km away from Earth.
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