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Planetary Society Advent Calendar for December 25: Double planet

Emily Lakdawalla • December 24, 2009

To those of you who celebrate the holiday, merry Christmas! I hope Santa was good to you.

Planetary Society Advent Calendar for December 24: Ganymede

Emily Lakdawalla • December 24, 2009

I think if you polled most space fans about their favorite moons of Jupiter, Ganymede would come in a consistent third behind Europa and Io. It's just not fair.

Planetary Society Advent Calendar for December 13: Dactyl

Emily Lakdawalla • December 13, 2009

If you don't think Pluto gets enough respect, just imagine what it's like to be a satellite of an asteroid.

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.

Planetary Society Advent Calendar for December 3: Europa

Emily Lakdawalla • December 03, 2009

From a distance, Jupiter's fourth largest moon Europa is the smoothest object in the solar system; its outline traces out a perfect circle.

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.

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