The International Sun-Earth Explorer 3 (ISEE-3) spacecraft made the first ever direct cometary measurements on September 11, 1985 as it flew through the tail of Comet Giacobini-Zinner.
Source: tatoeba (3961544)
Cometary
/ˈkɒm.ɪ.t(ə).ri/
Synonyms for "cometary" (11 found)
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