Astronauts complete tricky spacewalk repair of space station's $2 billion antimatter detector
Saturday, January 25, 2020 - 15:50
in Astronomy & Space
It took four years of planning, 20 new tools shipped by spacecraft and an unprecedented four-part repair job, but a $2 billion experiment on the International Space Station is all patched up after a spacewalk by astronauts Saturday (Jan. 25).