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Stories, updates, insights, and original analysis from The Planetary Society.
Got questions about Curiosity? I've got answers for you
Whether you are a scientist or a layman, if you have ever asked yourself any question about Curiosity, I strongly suggest that you read the newly published press kit!
Staying Put Means Death
Chaikin interviews Mars scientist Nathalie Cabrol who talks about her passion for exploration and urges America to explore even in tough economic times.
A plea to Mars Science Laboratory team members: write your experiences down
In which I beg the people working on Curiosity to write about what happens in the coming weeks, even if you never share those writings publicly.
A fifth moon for Pluto, and a possible hazard for New Horizons
Pluto is now known to have at least five moons (Charon, Nix, Hydra, P4, and the newly discovered P5), and its burgeoning population might pose a risk to New Horizons during its flyby, three years from now.
How Curiosity Will Land on Mars, Part 3: Skycrane and Landing
The final phase of Curiosity's landing on Mars involves the
Dawn Journal: Seeing Vesta in a New Light
Once again Dawn is diligently mapping Vesta, circling the ancient protoplanet about twice a day, observing the signatures of Vesta's tortured history.
Mars Exploration Rovers Update: Opportunity Digs Cape York, Roves to New Milestone
Even robots deserve a break once in a while, and when the Mars Odyssey orbiter went into safe mode in June, Opportunity got the chance to hang out and leisurely take in her surroundings at the Red Planet, while the Mars Exploration Rover (MER) mission downshifted into lower gear.
HiWishing for 3D Mars images, part II
Part two of a three-part series of images from the Mars Reconnaissance Orbiter’s HiRISE camera.
What's Up in the Solar System in July 2012
Welcome to my monthly roundup of the activities of our intrepid robotic emissaries across the solar system! Curiosity is about to land; Opportunity has rolled through sol 3000; Odyssey is back online, having switched to a spare reaction wheel; Dawn is now in High-Altitude Mapping Orbit 2; and Cassini is taking advantage of its newly inclined orbit to get spectacular series of images of Saturn's rings.
Three Thousand Sols
Earlier today, unnoticed by the vast majority of the world, Opportunity reached and then silently passed a major milestone in her great adventure on Mars. At just before 3am, UK time, Opportunity began her 3000th sol, or martian day, on Mars.
How Curiosity Will Land on Mars, Part 2: Descent
When people first hear about how Curiosity will land on Mars, their first question always is: are they nuts? This is the second in a multi-part series describing how -- and why -- Curiosity will land this way, in excruciating detail.
Virtual Star Parties
Hang out with Fraser Cain and amateur astronomers all over the world in Cosmoquest's Virtual Star parties conducted over Google+. Here's how -- plus an inspiring video produced by Google to show just how cool this is.
Salacia: As big as Ceres, but much farther away
A newly published paper shows trans-Neptunian object Salacia to be unexpectedly large; it's somewhere around the tenth largest known thing beyond Neptune. It has a companion one-third its size, making it appear similar to Orcus and Vanth.
How Curiosity Will Land on Mars, Part 1: Entry
When people first hear about how Curiosity will land on Mars, their first question always is: are they nuts? This is the first in a multi-part series describing how -- and why -- Curiosity will land this way, in excruciating detail.
Pretty picture: Meet Tethys
Just a pretty global view of one of Saturn's flock of icy moons, newly processed from archival data by Gordan Ugarkovic.
Cosmoquest Science Hangout Wednesday June 20 2300 UTC: Ravi Prakash, Curiosity engineer
This Cosmoquest Science Hangout featured Ravi Prakash, Curiosity Entry, Descent, and Landing Systems Engineer. He explained how Curiosity will land on Mars, and why they've changed things since Spirit and Opportunity landed.
HiWishing for 3D Mars images, part I
Hundreds of images from the Mars Reconnaissance Orbiter’s HiRISE camera are publicly available, if you know where to look.
Update on yesterday's post about Chang'E 2 going to Toutatis
I have a couple of updates on my post from yesterday: confirmation that Chang'E 2 is indeed gone from L2, and more specifics on encounter dates with Toutatis.
Pretty picture: Halo on a halo?
An interesting set of images of Titan that Cassini took recently shows a peculiar cap at Titan's south pole.
Chang'E 2 has departed Earth's neighborhood for...asteroid Toutatis!?
According to a Chinese spaceflight forum, Chang'E program chief scientist Ouyang Ziyuan recently announced that Chang'E 2 has departed the Sun-Earth L2 point and is now en route to asteroid 4179 Toutatis!



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