The Grand Tour
- Episode aired Dec 2, 1969
In the late 1970s a spacecraft may be sent on a 'tour' of the four outer planets, using the gravity and orbital speed of each to boost it on to the next. Patrick discusses the chances of suc... Read allIn the late 1970s a spacecraft may be sent on a 'tour' of the four outer planets, using the gravity and orbital speed of each to boost it on to the next. Patrick discusses the chances of success for this ambitious project.In the late 1970s a spacecraft may be sent on a 'tour' of the four outer planets, using the gravity and orbital speed of each to boost it on to the next. Patrick discusses the chances of success for this ambitious project.