Blogs & Articles

Color global view of Uranus from Voyager 2

Planetary Society Advent Calendar for December 31: Uranus

Emily Lakdawalla • December 31, 2009

Did you think I was going to skip Uranus? How could I?

Planetary Society Advent Calendar for December 28: Ariel

Emily Lakdawalla • December 28, 2009

Here's yet another of the moons of Uranus for you: Ariel, a near-twin in diameter to Umbriel, but apparently with more interesting geology.

Planetary Society Advent Calendar for December 21: Miranda

Emily Lakdawalla • December 21, 2009

Miranda is the one moon of Uranus for which we have very good images from Voyager 2, and that was a stroke of luck, because low-resolution shots of all of Uranus' moons would have told us that it was, geologically speaking, the most dramatic of the five biggest ones.

Planetary Society Advent Calendar for December 18: Neptune

Emily Lakdawalla • December 18, 2009

Here's Neptune, but not quite like you've ever seen it before.

Planetary Society Advent Calendar for December 17: Proteus

Emily Lakdawalla • December 17, 2009

Proteus is a weird name for this world. It's the second-largest moon of Neptune, and so it's named (as are all of Neptune's moons) for deities associated with the sea.

Planetary Society Advent Calendar for December 10: Triton

Emily Lakdawalla • December 10, 2009

Welcome to the tenth post in my "Advent Calendar" -- I am opening a door each day on a different world in the solar system, and I'll be continuing to do so until New Year's Day.

Planetary Society Advent Calendar for December 7: Jupiter

Emily Lakdawalla • December 07, 2009

Jupiter has been high overhead at sunset for several months, a brilliant light that's easy to spot even when the sky is still bright at dusk; but it's now moving quickly to the west as Earth speeds ahead of Jupiter's more stately march around the Sun.