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Stories, updates, insights, and original analysis from The Planetary Society.

Jupiter and Io from Pioneer 10

This is a parting shot of Jupiter and Io, taken December 5, 1973, by the Pioneer 10 spacecraft, the first to see either world as a crescent.

Pioneer Anomaly Solved!

With the latest piece of the puzzle just published in a scientific journal, a solar system mystery that has perplexed people for more than 20 years has been solved, truly thanks to the support of Planetary Society members.

Blast from the past: Pioneer 10 and 11 pictures of Jupiter

Here's a few pretty pictures that were recently dusted off by Ted Stryk. Pioneer 10 and 11 passed by Jupiter on December 4, 1973, and December 3, 1974, respectively. Here are three pictures from those two encounters, in versions newly processed by Ted from scanned photographic prints found during a research trip to NASA's Ames Research Center.

Planetary Society Statement on the Pioneer Anomaly

Planetary Society Members have been supporting Slava Turyshev and his colleagues in their scientific quest to solve the famous Pioneer Anomaly. They have just published a peer-reviewed paper that reports on what may be the last step toward the solution.

The scale of our solar system

Space.com has taken advantage of the infinitely scrollable nature of Web pages to produce a really cool infographic on the scales of orbital distances in the solar system.

LPSC 2011: Wanted: Pioneer 10 & 11 digital data

This is both a Lunar and Planetary Science Conference (LPSC) update and a public service announcement. Ted Stryk has been working for years to locate the original Pioneer 10 and 11 image data from the Jupiter and Saturn encounters.

Space is vast. There's a lot of exploring to do.

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