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Pretty picture: Landsat view of southern Greenland

Björn Jónsson • November 13, 2012

This is a very large (19000 pixels square) mosaic of the fjords and glaciers of southern Greenland. I had been interested for a long time in experimenting with the processing of Earth satellite imagery just to get a comparison to the other planets.

What We're Fighting For

Casey Dreier • November 13, 2012

We're fighting for the restoration of NASA's planetary sciences budget to return to its 2012 level. What does that get us? New financial analysis from our sources in the scientific community provides us a glimpse.

A spectacular calendar for 2013

Emily Lakdawalla • November 13, 2012 • 2

Steve Cariddi's Year in Space wall calendar crams an incredible variety of information into a beautiful, large wall calendar that is great for grownups, kids, or classrooms.

Carl Sagan: "If membership is restricted to men, the loss will be ours."

Emily Lakdawalla • November 13, 2012 • 6

When Casey invited me to participate in last Friday's "Sagan Slam," I wasn't sure what I would read, but I found a great letter of his explaining why women, as well as men, should be considered among the world's great explorers.

The First-Ever Sagan Slam

Casey Dreier • November 12, 2012

The world's first Sagan Slam was embraced by an open, positive, and engaged crowd. We spoke, rhymed, read, and remembered Carl while drinking cosmos and getting to know each other.

Up Goer Five

Emily Lakdawalla • November 12, 2012

In a stroke of pure genius, Randall Munroe of the web comic XKCD describes "Up Goer Five" with the ten hundred most commonly used words in the English language.

Join Our Sagan Celebration

Mat Kaplan • November 09, 2012 • 2

The Planetary Society has invited a few friends of Carl Sagan's to a celebration of his birth and his legacy. Watch the live webcast featuring physicist Kip Thorne, Contact Executive Producer Lynda Obst and much more!

Beautiful butterfly crater on Mars (another HiWish granted!)

Emily Lakdawalla • November 08, 2012 • 6

I asked Mars Reconnaissance Orbiter to take a photo, and it turned out better than I had imagined: an incredibly fresh, well-preserved, dramatically rayed oblique impact crater.

Cosmoquest Science Hour, Wednesday: Take a taste of Mars with Pamela Conrad, Curiosity SAM Instrument Deputy PI

Emily Lakdawalla • November 07, 2012 • 6

This week's Cosmoquest Astronomy Hour Google+ Hangout at 1600 PDT / 2300 UTC on Wednesday will feature Pamela Conrad, the deputy principal investigator for Curiosity's Sample Analysis at Mars (SAM) instrument. Tune in to learn more about how this experiment will change our view of Mars, and to ask your questions!

Write the President: Re-election Edition

Casey Dreier • November 07, 2012 • 2

We've had a great response to this advocacy push so far. Now that the President has been re-elected, our messages are even more important. Write today if you haven't, and spread to the word to your friends.

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