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Displaying results 1 - 10 of 14 items found.

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1. Jupiter and Io from Pioneer 10

(Web Page; Tue Oct 22 18:28:00 CDT 2013)

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. This image was generated with red and blue channel data from the spacecraft's imaging photopola...

Description: 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.

2. LPSC 2011: Wanted: Pioneer 10 & 11 digital data

(Web Page; Tue Nov 12 19:07:00 CST 2013)

This is both a Lunar and Planetary Science Conference (LPSC) update and a public service announcement. Ted Stryk posted a blog entry yesterday summarizing the work that he presented at the LPSC poster session on Tuesday, March 8. He's be...

Description: 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.

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

(Web Page; Tue Oct 22 18:28:00 CDT 2013)

Here's a few pretty pictures that were recently dusted off by Ted Stryk, who is really living up to his unmannedspaceflight.com nickname of "Planetary Dumpster Diver" with this work. Pioneer 10 and 11 passed by Jupiter on December 4, 197...

Description: 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.

4. Preliminary thermal modeling accounts for some (but not all) of the Pioneer Anomaly

(Web Page; Mon Apr 23 02:02:00 CDT 2012)

NOTE: An extended version of this update is now posted here.By now, Planetary Society members should be very familiar with the Pioneer Anomaly: it's a very tiny but definitely detectable acceleration felt by the two Pioneer spacecraft as...

Description: Preliminary thermal modeling accounts for some (but not all) of the Pioneer Anomaly

5. Planetary Society Statement on the Pioneer Anomaly

(Web Page; Mon Nov 11 18:43:00 CST 2013)

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 towa...

Description: 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.

6. Pioneer Anomaly Solved!

(Web Page; Thu Jun 19 11:35:00 CDT 2014)

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. That mystery i...

Description: 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.

7. Looking Forward to New Horizons' Launch

(Web Page; Sat Sep 06 11:20:00 CDT 2014)

New Horizons science team member John Spencer sent me another entry last night on the preparations for the approaching launch of New Horizons to Pluto. --ESL This is probably my last missive before Jane and I leave for the Cape on Frida...

Description: This is probably my last missive before Jane and I leave for the Cape on Friday in preparation for the launch.

8. A new trick for IKAROS: Spinning the other way

(Web Page; Thu Jul 10 13:19:00 CDT 2014)

JAXA's solar sail demonstration craft IKAROS is still puttering along, 17 months after it launched, and its controllers back on Earth keep coming up with new things to try with it. I'm pretty amazed by the most recent trick: reversing it...

Description: JAXA's solar sail demonstration craft IKAROS is still puttering along, 17 months after it launched, and its controllers back on Earth keep coming up with new things to try with it. I'm pretty amazed by the most recent trick: reversing its spin direction. This may not sound like a big deal, but it is, especially for IKAROS.

9. What's up in the solar system in July 2010

(Web Page; Wed Aug 29 15:51:00 CDT 2012)

June 2010 was certainly busy with Hayabusa and IKAROS action, so I really needed a vacation. I am taking just a couple of hours toward the end of that vacation to check in with the following "What's Up" report, anticipating that it'll h...

Description: What's up in the solar system in July 2010

10. Reviews of space-themed books for children

(Web Page; Wed Nov 13 11:55:00 CST 2013)

It's already November, ack! And that means it's time for my annual roundup of reviews of space-themed books for children. As usual when I write book reviews, I'm only listing books that I think are worth reading (or giving as gifts). Som...

Description: It's time for my annual roundup of reviews of space-themed books for children! I have lots of fiction and nonfiction books to recommend, for toddlers to teens.

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