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Pretty picture: Jupiter photo from an unusual source

Emily Lakdawalla • December 26, 2012

A recently launched Earth-observing satellite is using the stars to practice its pointing, and caught a neat animation of Jupiter.

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

Emily Lakdawalla • November 18, 2011

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.

Scale solar system presentation slide, a provisional version for you to review

Emily Lakdawalla • September 15, 2011

I'm preparing a talk for the Pacific Astronomy and Telescope Show here in Pasadena on Sunday afternoon at 1:45. I have spent the morning putting together a slide that I have long wanted to have for presentations.

Galileo's still producing discoveries: A magma ocean within Io!

Jason Perry • May 13, 2011

A fresh report was published online yesterday in Science Express on the discovery of a magma ocean beneath the surface of Io. Big news! This is a paper I've been looking forward to seeing for more than year and half.

Mercury: a moon-scale body

Emily Lakdawalla • March 17, 2011

As I wait for the MESSENGER Mercury Orbit Insertion webcast to start, I thought I'd fiddle with some images to point out that Mercury is a bridge between the scales of planets and the scales of moons.

LPSC 2011: Wanted: Pioneer 10 & 11 digital data

Emily Lakdawalla • March 11, 2011

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.

Io and Jupiter from Voyager 1

Emily Lakdawalla • January 31, 2011

Here's an image I've been meaning to post for months, a new mosaic from Voyager 1 by Ted Stryk of Io crossing Jupiter's terminator as it neared closest approach.

Door 12 in the 2010 advent calendar

Emily Lakdawalla • December 12, 2010

Time to open the twelfth door in the advent calendar. Where in the solar system is this trapezoidal mountain?

Field trip to Piton

Rosaly Lopes • October 07, 2010

Rosaly Lopes relates her time at a workshop in Piton.

Exposing Io's true colors

Jason Perry • August 20, 2010

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

Volcanism across the solar system: Io

Emily Lakdawalla • July 20, 2010

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.

Volcanism across the solar system: Earth

Emily Lakdawalla • April 20, 2010

Yesterday I asked for suggestions for topics to write about, and you readers seem to have volcanoes on your minds!

Pretty picture: Io, labeled

Emily Lakdawalla • March 05, 2010

Jason Perry just posted this lovely labeled image of Io over at his blog, the Gish Bar Times.

Manic Monday: Chocolate Hills, Io, and NASA's budget

Emily Lakdawalla • February 08, 2010

Although I am not suffering under the "snowpocalypse" on the East Coast, I woke up to Monday absolutely buried under a massive pile of things to do for both home and work, and it looks like it's going to take me a few days to dig out. So, with apologies, I'm going to make today's post a linky one.

400 Years of the Galilean Satellites

Emily Lakdawalla • January 07, 2010

It was 400 years ago today that Galileo discovered smaller planets attending the planet Jupiter.

Planetary Society Advent Calendar for December 11: Io

Emily Lakdawalla • December 11, 2009

This is a special post for all of my readers who are lighting the first candle on their menorot this evening.

Four hundred and fourteen years since Galileo

Emily Lakdawalla • December 07, 2009

Galileo, the scientist, discovered the Galilean satellites of Jupiter four hundred years ago next month, while Galileo, the mission, arrived at Jupiter to study those moons in situ fourteen years ago Sunday.

Carnival of Space #126, plus more from Jupiter's moon Io

Emily Lakdawalla • October 26, 2009

The 126th Space Carnival is live over at Jason Perry's always-excellent (if rather narrowly focused) Io blog The Gish Bar Times.

Aloha, Io

John Spencer • June 08, 2009

Taking a look at Jupiter's moon, Io, from Hawaii.

Frame a Pluto portrait

Emily Lakdawalla • April 07, 2008

As New Horizons continues its journey (it's now approaching the orbital distance of Saturn, though it's very far from that planet in space), the mission is taking advantage of the recent experience with the Jupiter flyby to plan out the science operations for the Pluto-Charon encounter.

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