A cargo ship carrying the $10 billion James Webb Space Telescope arrived in French Guiana on Tuesday (Oct. 12), wrapping up a 16-day ocean voyage that covered 1,500 miles (2,500 kilometers).
NASA's James Webb Space Telescope arrives in French Guiana ahead of Dec. 18 launch : Read more
NASA's James Webb Space Telescope arrives in French Guiana ahead of Dec. 18 launch : Read more