Questions tagged [outer-planets]

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4
votes
1answer
111 views

Mars mission success rate vs. outer planets success rate

I've heard discussion of the Mars Curse, with the very high failure rate of missions to the planet. Comparing NASA Mars missions to NASA outer solar system missions since the beginnings of the 1970's ...
12
votes
2answers
595 views

Which of the outer planets could you see with the naked eye if you were in close proximity?

My question is which of the outer planets you could see with the naked eye if you were in close proximity to them. It's pretty obvious the human eye can see the inner planets through to Mars, but I ...
3
votes
1answer
160 views

What exactly did the Outer Planets Panel say in their recommendation for outer planets missions?

In the 1960s, James Van Allen's Outer Planets Panel made a proposal that NASA begin planning missions to the outer planets, that eventually led to Pioneer 10 and 11. I've found many sources that ...
20
votes
3answers
5k views

When is the next Outer Planet lineup (Voyager)

If I remember correctly, The construction and launch of the Voyager spacecrafts in the early 1970s had an urgency as there was to be an unusual lineup of the outer planets (Jupiter, Saturn, Uranus ...