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

By Jove! (Literally)

Jupiter’s moons have always been exciting to explore, and a new era of Jovian moon research is about to begin.

Proximity and distance

Looking at planets and moons from near and far, and figuring out how to get all the way out there.

Venusian Probes and UFOs

Venus is an intimidating destination for spacecraft, and we’re pretty sure Earth hasn’t yet been a destination for aliens.

#LPSC2018: Groovy Galilean satellites

The Jovian system is a busy place. The Groovy Galilean Satellites session at last week's Lunar and Planetary Science Conference (LPSC) covered analysis of past mission data, testable hypotheses for future missions, and discussion of the use of ground-based data.

Will Juno’s Instruments Observe the Moons of Jupiter?

It is not easy to observe Jupiter’s moons as more than points of light with Juno, because Juno will never get very close to any of the moons, but as its orbit shifts there will be opportunities to collect data on some of the moons.

Juno has arrived!

For a second time, NASA has placed a spacecraft into orbit at Jupiter. The spacecraft operated exactly according to plan, and Juno successfully entered orbit today, July 5, 2016, UTC

A peek at the JunoCam approach movie

We're now just about 12 hours away from Juno's Jupiter orbit insertion. As anticipation ramps up, NASA has released this sneak peek at JunoCam's approach movie, made of views of Jupiter and its largest moons shot during the final approach, up until about five days ago.

LPSC 2016: Icy Satellite Science

This year’s Lunar and Planetary Science Conference devoted two oral presentation sessions to questions related to icy satellites in our solar system. Jessica Noviello reports back from the conference.

An internal ocean on Ganymede: Hooray for consistency with previous results!

A newly published paper confirms a subsurface ocean at Ganymede. An ocean there was already suspected from its magnetic field and predicted by geophysics; new Hubble data confirms it, and even says it is in the same place we thought it was before. Such consistency is rare enough in planetary science to be worth celebration.

Flawed Beauties

More examples of imperfect--but tantalizing--images from deep space.

JUICE at Europa

Europe's JUICE spacecraft will provide us with a detailed regional study of this icy moon of Jupiter.

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