The inventor’s handmade tools are now museum artifacts.

Here’s how it works. (Image credit: ESA. Courtesy of MPAe, Lindau) On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet.

The first attempt An initial launch attempt Wednesday afternoon, March 8, was scrubbed because of a fuel mixture issue. Relativity Space scrubbed the launch after the last attempt at 3:45 p.m.