On Sept. 11, 1985, the International Cometary Explorer, or “ICE” became the first spacecraft to fly by a comet. See how it happened in our On This Day In Space video series.
On This Day in Space! Sept. 11, 1985: International Cometary Explorer Completes 1st Comet Flyby
by Space.com | Sep 11, 2018 | Uncategorized |