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Stories, updates, insights, and original analysis from The Planetary Society.
Odyssey's going to start listening for Phoenix
It's been the second most popular question I get from readers:
Spirit's still "extricating"
It's been two months, now, that extrication efforts have been going on. It's discouraging that the Mars Exploration Rover Spirit isn't out of the trap.
Worsening outlook for Spirit
I just got a press release from the Jet Propulsion Laboratory that made my heart sink; the extrication effort for Spirit is not going at all well. I did not want to keep sounding a knell of bad news. But once in a while, I do have to report bad news.
Mars Exploration Rovers Update: Spirit Perseveres Struggles, Opportunity Digs in at Marquette Island -- And We Look Back on 2009
The Mars Exploration Rovers quietly wrapped up 2009 this month: Spirit continued to valiantly spin its wheels in an attempt to get out of its embedded location on the west side of Home Plate in Gusev Crater; and Opportunity continued its investigation of Marquette Island, perhaps the oldest Martian rock it's found to date at Meridiani Planum.
Happy Christmas on Mars!
This was so cute I had to repost it -- and record it too.
Watch that front wheel spin!
Holy cow, look at that right front wheel spin. I am alternately amazed and horrified by this animation.
Downloading the "How to work with Mars Express VMC images" class
Here's the information on how to watch the class on how to work with Mars Express VMC images, which I conducted to a small audience this morning.
No, they can't push with the arm to free Spirit
I've gotten this question about once a week since Spirit got stuck, but yesterday, two different readers asked the same question within an hour of each other, so I figured it was time for a blog entry.
Planetary Society Advent Calendar for December 15: Mars
We have three orbiters and two rovers currently exploring Mars, each of which returns breathtaking photos on a daily basis.
Class announcement: How to play with Mars Express VMC images
Those of you who follow me on Twitter know that I've been fiddling with images from the Mars Webcam, more officially known as the Mars Express Visual Monitoring Camera (VMC), for the last couple of weeks.
A teeny weeny bit of movement in Spirit's right front wheel
The ever-vigilant Doug Ellison just posted this animation, which really actually does show a teeny tiny bit of motion in the right front wheel. If you don't notice any motion, look closer.
Awesome Mars Express view of Phobos and Deimos together
My inbox was exploding this morning with messages about a tremendously cool animation released this morning by ESA's Mars Express team. It shows Phobos crossing Deimos, in what's known as a
Mars Exploration Rovers Update: Spirit Turns Wheels, Opportunity Rests at Rare Martian Rock
The Mars Exploration Rovers managed to make history and uncover history in November and that put both Spirit and Opportunity in the planetary exploration spotlight during the 71st month of an overland expedition that was supposed to be a three-month tour.
Space Imaging II: Getting Started with MER and Cassini Raw Images now available for download
I probably crammed too much into today's class: an hour-and-a-half whirlwind tour through the cameras on the rovers and Cassini, how to access their raw images on the Internet, and some basic processing that you can do with each of them.
Encouraging motion on Spirit
It really looks like the second attempt at driving Spirit out of the trap has had the hoped-for result: some forward progress (maybe about a centimeter), and no evidence for further downward sinking.
Opportunity's poking at Marquette Island; Cassini's catching dancing moons
Since tomorrow's class is going to be on playing with raw images from the rovers and Cassini, I've been playing with recent raw images from the rovers and Cassini! I just thought I'd share a couple of the fun items I've been working with.
Results of the first "Free Spirit" extrication drive, sol 2088: not much, as expected
Even though all of us rover fans know that Spirit is really, really stuck, I think I'm not the only one who was secretly hoping that today's images downlinked from Spirit would show that the rover had magically popped out of the ground overnight. Of course, she didn't.
Highlights from today's Spirit press briefing
Since A. J. S. Rayl was also listening in on today's press briefing about the efforts to extricate Spirit from her predicament at Troy, I'll just hit the high points and send you over to her story when she has posted it.
Mars Exploration Rovers Update: Spirit Begins Extraction Process
On Monday, November 16, 2009, Mars Exploration Rover Spirit will begin the much-anticipated, weeks-long process of extricating itself from a patch of powdery soil that stopped it in its tracks six months ago. It will begin by driving forward to the north, following its tracks out, even though its right front wheel is broken and immobilized.



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