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Blogs

Blog Archive

 

NASA’s New Planetary Mission Woes
Budget cuts slow down the rate of new missions

Posted by Van Kane on 2013/12/27 04:49 CST | 2 comments

NASA’s planetary science program depends on regular missions to solar system bodies to gather data. A combination of budget cuts and previous commitments to develop missions currently in the pipeline means that development of follow on missions may slow to a crawl. Van Kane looks at the current situation and NASA’s plans and then look at options the agency may consider if budgets remain tight into the next decade.

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Destination: Europa!

Posted by Steve Vance on 2013/12/16 01:36 CST | 5 comments

It's time to reassess Europa exploration, past, present and future. The Destination Europa! session at AGU, inspired by the eponymous website and movement, didn't take exactly that message as its theme, but it's what I got from the presentations. What an ELECTRIFYING meeting this has been for Europa exploration!

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Europa: No Longer a "Should," But a "Must"

Posted by Casey Dreier on 2013/12/12 07:51 CST | 10 comments

We've waited long enough, Europa cries out for exploration and discovery. It's time to heed that cry.

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The Plumes of Europa

Posted by Leigh Fletcher on 2013/12/12 12:01 CST | 12 comments

2013 has been a rather exciting year for Europa scientists. Today's exciting news: the Hubble Space Telescope discovery of water vapor plumes from the south pole of this icy moon.

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Planetary Radio: Rise of the Europa Underground?
Planetary Scientist Alyssa Rhoden and friends have created Destination: Europa

Posted by Mat Kaplan on 2013/11/26 09:39 CST | 2 comments

This week's PlanRad talks to one of the creators of a new effort to build support for the Europa Clipper, a spacecraft that would tell us far more about what's going on under that icy moon's surface.

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Jupiter and Io from Pioneer 10

Posted by Ted Stryk on 2013/08/02 04:25 CDT | 2 comments

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.

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Movie SciFi With Real Science? What a Concept!
Europa Report is available on demand and online, and in theaters on August 2

Posted by Mat Kaplan on 2013/07/30 10:14 CDT | 1 comments

This week's Planetary Radio features the new indy film that relies on the best available science to create a thrilling and inspiring human mission to Jupiter's moon.

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Scale comparisons of the solar system's major moons

Posted by Emily Lakdawalla on 2013/07/10 06:05 CDT | 15 comments

A few presentation slides with pretty pictures, sized to scale, of the large moons of the solar system.

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A serendipitous observation of tiny rocks in Jupiter's orbit by Galileo

Posted by Emily Lakdawalla on 2013/05/17 09:54 CDT | 3 comments

A look at an older paper describing Galileo's possible sighting of individual ring particles orbiting Jupiter as companions to its inner moon Amalthea.

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In a New Light

Posted by Bill Dunford on 2013/04/15 02:08 CDT | 3 comments

Cassini's unique views of Jupiter and Saturn.

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Planetary Society Weekly Hangout: Reports from the Lunar and Planetary Science Conference

Posted by Emily Lakdawalla on 2013/03/28 02:00 CDT | 5 comments

On Thursday at noon PDT / 1900 UTC I'll report on some of my favorite findings from LPSC, and answer your questions about the latest planetary science.

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LPSC 2013: License to Chill (or, the solar system's icy moons)

Posted by Emily Lakdawalla on 2013/03/27 11:52 CDT

Reports from the March 19 session at the Lunar and Planetary Science Conference covering eight icy moons in the outer solar system: Ganymede, Europa, Dione, Rhea, Mimas, Tethys, Enceladus, and Miranda.

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Instruments for the JUICE Jovian Mission

Posted by Van Kane on 2013/03/07 12:20 CST | 6 comments

The European Space Agency (ESA) announced the list of instruments selected for its JUICE mission to explore the Jovian system for three years starting in the 2030 following a 2022 launch.

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Sea Salt

Posted by Mike Brown on 2013/03/06 10:41 CST | 3 comments

Ever wonder what it would taste like if you could lick the icy surface of Jupiter’s Europa? The answer may be that it would taste a lot like that last mouthful of water that you accidentally drank when you were swimming at the beach on your last vacation.

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Voyager 1 revisited: Io and Europa transiting Jupiter

Posted by Björn Jónsson on 2013/01/22 06:04 CST

What is the highest resolution global Jupiter mosaic that includes a satellite transit that can be assembled from Voyager images? Satellite transits are especially beautiful when the resolution is high enough for some details to be visible on the satellites so I decided to check this. And I was remarkably lucky.

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DPS 2012, Monday: Icy moons and a four-star exoplanet

Posted by Emily Lakdawalla on 2012/10/15 11:31 CDT | 1 comments

In the first full day of the annual meeting of the Division of Planetary Sciences of the American Astronomical Society, I listened to scientific sessions on icy worlds and on an exoplanet in a four-star system.

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A couple of gems from the archives

Posted by Emily Lakdawalla on 2012/09/10 11:07 CDT | 2 comments

We're still working on migrating content from the old to the new website. This week, that means I am looking, one by one, through some great amateur-processed space images.

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In Honor of JUICE, a New View of Europa

Posted by Ted Stryk on 2012/05/07 05:30 CDT | 2 comments

To celebrate ESA's selection of the JUICE mission to Jupiter, Ted Stryk produced a new global view of Europa from Galileo data.

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Checking up on Jupiter and Saturn

Posted by Emily Lakdawalla on 2012/02/10 01:51 CST

It's amateur astronomers, not professionals, who are shouldering the burden of constant monitoring of the weather on Jupiter and Saturn. What's going on these days in the outer solar system?

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Book Review: Atlas of the Galilean Satellites, by Paul Schenk

Posted by Emily Lakdawalla on 2011/11/18 12:59 CST

Not many subjects remain for which it is possible to assemble everything that we know about it in one book. Even for those subjects for which our knowledge is limited, knowledge seems always to be expanding exponentially. This is not true, however, for the Galilean satellites of Jupiter.

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