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Intro Astronomy Class 7: Near Earth Asteroids and the Jupiter System

Bruce Betts • March 21, 2014

Examine the threat of near Earth asteroids and begin exploring the Jupiter System in this video of class 7 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

LPSC 2014: Plate tectonics on another world: Europa

Emily Lakdawalla • March 19, 2014

Simon Kattenhorn and Louise Prockter may finally have found subduction zones on Europa, which would it the only other place in the solar system besides Earth that is known to have active plate tectonics.

[Updated] To Europa!...Slowly. First Impressions of NASA's New Budget Request

Casey Dreier • March 07, 2014

Europa may get a mission...eventually. We give our first take on the 2015 NASA Budget request. How does Planetary Exploration fare? Which projects were cancelled? Will NASA capture an asteroid? And most importantly, what can you do about it?

NASA Wants to Explore Europa On the Cheap

Casey Dreier • March 05, 2014

NASA announced today that their Europa mission concept studies will be for a sub-$1 billion spacecraft, a lower level than previously imagined for a mission to this watery moon.

Intro Astronomy Class 1: Tour of the Solar System

Bruce Betts • February 11, 2014

Take a tour of the Solar System in the video of class 1 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Europa New Frontiers Mission? (Or why I like the Europa Clipper concept even more now)

Van Kane • January 07, 2014

Europa remains a top priority for a future mission to explore whether it could host life. While the Europa Clipper mission, remains the current front runner, a senior NASA manager has suggested that the agency may look at still lower cost options. Van Kane looks at what those options might be.

NASA’s New Planetary Mission Woes

Van Kane • December 27, 2013

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.

Destination: Europa!

Steve Vance • December 16, 2013

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!

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

Casey Dreier • December 12, 2013

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

The Plumes of Europa

Leigh Fletcher • December 12, 2013

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.

Planetary Radio: Rise of the Europa Underground?

Mat Kaplan • November 26, 2013

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.

NASA's Europa Mission Concept Rejects ASRGs -- May Use Solar Panels at Jupiter Instead

Casey Dreier • September 05, 2013

The Advanced Stirling Radioisotope Generator (ASRG) is no longer an option for powering a potential Europa mission. The ASRG uses Plutonium-238 to generate electricity, but is far more efficient than past RTGs.

Jupiter and Io from Pioneer 10

Ted Stryk • August 02, 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.

Movie SciFi With Real Science? What a Concept!

Mat Kaplan • July 30, 2013

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.

Scale comparisons of the solar system's major moons

Emily Lakdawalla • July 10, 2013

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

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

Emily Lakdawalla • May 17, 2013

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

In a New Light

Bill Dunford • April 15, 2013

Cassini's unique views of Jupiter and Saturn.

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

Emily Lakdawalla • March 28, 2013

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.

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

Emily Lakdawalla • March 27, 2013

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.

Instruments for the JUICE Jovian Mission

Van Kane • March 07, 2013

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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