ボイジャー1号・2号

概要

Launched in 1977, the twin Voyager probes exploited a rare planetary alignment to tour Jupiter, Saturn, Uranus and Neptune. Both spacecraft have now crossed into interstellar space, still returning data about the heliosphere's boundary.

主な発見

• Active volcanism on Io
• Jupiter's faint ring and lightning
• First close-ups of Uranus and Neptune and their moons
• First spacecraft to cross into interstellar space

関連トピック