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Blog Archive

 

Exposing Io's true colors

Posted by Jason Perry on 2010/08/20 05:15 CDT

Thanks to its active volcanic activity and sulfur-rich surface, Io is one of the most colorful worlds yet seen in the Solar System, save the Earth of course

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Voyager at Saturn, one year later

Posted by Emily Lakdawalla on 2010/07/27 02:04 CDT

Here are two newly processed portraits of Saturn, showing the planet just after its equinox.

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Volcanism across the solar system: Io

Posted by Emily Lakdawalla on 2010/07/20 05:33 CDT

Three months ago, grandiosely, I announced that I was going to survey volcanism across the solar system, and I began the journey on Earth. Then I failed to follow up.

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Voyager 2's flipped bit fixed

Posted by Emily Lakdawalla on 2010/05/21 05:12 CDT | 1 comments

A happy ending to this story: JPL reported yesterday evening that the flipped bit in Voyager 2's flight data system software has been successfully toggled back to its correct value.

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Voyager 2 status update: Yep, it was a flipped bit

Posted by Emily Lakdawalla on 2010/05/17 07:22 CDT

Voyager 2's engineers have confirmed that the problem with the spacecraft was indeed the result of a single flipped bit in its software, as they predicted.

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Update on Voyager 2 status

Posted by Emily Lakdawalla on 2010/05/13 09:51 CDT

Good old Voyager 2; she takes a licking and keeps on ticking.

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Some trouble on Voyager 2

Posted by Emily Lakdawalla on 2010/05/06 10:07 CDT

Engineers have shifted NASA's Voyager 2 spacecraft into a mode that transmits only spacecraft health and status data while they diagnose an unexpected change in the pattern of returning data.

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Downloading the "First Voyage into the PDS" class

Posted by Emily Lakdawalla on 2010/03/30 04:07 CDT

Here's how to watch the class on how to access Voyager data through the Planetary Data System, which I conducted to a small audience this morning.

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A new view of Callisto

Posted by Emily Lakdawalla on 2010/03/22 04:34 CDT

Here's a lovely amateur-produced color image of Jupiter's moon Callisto, or, as its artist Daniel Macháček calls it, "Titan without weather."

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Pretty pictures: Europa from Galileo and Voyager

Posted by Emily Lakdawalla on 2010/03/12 11:24 CST

For some reason both Jason Perry and Ted Stryk took it upon themselves to produce new, pretty versions of Jupiter's moon Europa this week, so I'm hereby featuring them!

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Twenty years since Voyager's last view

Posted by Emily LakdawallaCharlene Anderson on 2010/02/12 01:17 CST

On Sunday comes the twentieth anniversary of an iconic image from the Voyager mission: the "Pale Blue Dot" photo of Earth caught in a sunbeam, which was captured by Voyager 1 as part of a Solar System Family Portrait.

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Planetary Society Advent Calendar for December 31: Uranus

Posted by Emily Lakdawalla on 2009/12/31 11:06 CST

Did you think I was going to skip Uranus? How could I?

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What do we know about Uranus' moons? Part 2

Posted by Emily Lakdawalla on 2009/02/19 06:07 CST

Here is every single image of the last two moons discovered prior to the Voyager 2 encounter, Titania and Umbriel.

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What do we know about Uranus' moons? Part 1

Posted by Emily Lakdawalla on 2009/01/20 06:26 CST

I got an urge to dive in to the Voyager image archives and see what exactly we have here on Earth to base our understanding of the Uranian moons on.

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The Orbital Dance of Epimetheus and Janus

Posted by Emily Lakdawalla on 2006/02/07 11:00 CST

Saturn is surrounded by a crowded family of rings and moons, and two of those moons -- Epimetheus and Janus -- orbit Saturn so close together that it seems as though their different orbital speeds should make them crash into each other.

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The Stories Behind the Voyager Mission: Ed Stone

Posted by A.J.S. Rayl on 2002/09/05 12:00 CDT

Edward C. Stone, an internationally renowned physicist, signed on as Project Scientist of the Voyager mission in 1972, responsible for coordinating the efforts of 11 teams of researchers.

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The Stories Behind the Voyager Mission: Jurrie van der Woude

Posted by A.J.S. Rayl on 2002/09/05 12:00 CDT

Jurrie van der Woude worked for 25 years in the Jet Propulsion's Laboratory's Public Affairs Office as Image Coordinator. It was Jurrie who, working closely with the Voyager imaging team, chose the best images to release to the press.

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The Stories Behind the Voyager Mission: Bruce Murray

Posted by A.J.S. Rayl on 2002/09/05 12:00 CDT

Bruce C. Murray served as the only geologist on the team planning the Grand Tour, which was cancelled by NASA in 1972, but which led to Voyager the same year. He later became the Director of the Jet Propulsion Laboratory (JPL), a position he held from 1976 to 1982, the early glory years of the mission.

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The Stories Behind the Voyager Mission: Charles Kohlhase

Posted by A.J.S. Rayl on 2002/09/05 12:00 CDT

Charles Kohlhase served as Mission Design Manager for Voyager from 1974 to 1989. He brought more than a decade's worth of experience working on the Mariner and Viking missions to the position.

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The Stories Behind the Voyager Mission: Linda Morabito Kelly

Posted by A.J.S. Rayl on 2002/09/05 12:00 CDT

Linda Morabito Kelly began working at Jet Propulsion Laboratories while still a student at the University of Southern California. In 1974, she accepted a fulltime position as an engineer in the Satellite Ephemeris Development and Orbit Determination section JPL.

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