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Stories, updates, insights, and original analysis from The Planetary Society.
Watching the Mars Orbiter Mission launch
Here is a list I've compiled of places that I'll be watching for news of the Mars Orbiter Mission launch...
Mars Exploration Rovers Update: Opportunity Gets Back to the Past at Winter Site
As fall began to give way to winter at Endeavour Crater, Opportunity cruised deeper into her campsite on the western side of Solander Point in October, heading for a site that may contain clay minerals and the rover's next big discovery, and the Mars Exploration Rovers mission trekked another month closer to its 10th anniversary in January 2014.
Cosmos with Cosmos Episode 4: Heaven & Hell
Humans face the consequences of our own knowledge about the cosmos in this latest episode recap and analysis of Carl Sagan's classic series.
Dawn Journal: Thrusting Toward Ceres
Deep in the main asteroid belt between Mars and Jupiter, Dawn is continuing its smooth, silent flight toward dwarf planet Ceres. Far behind it now is the giant protoplanet Vesta, which the spacecraft transformed from a tiny splotch in the night sky to an exotic and richly detailed world.
Space fan produces animated trailer for Chang'e 3 mission
This animation is cool! It's not an official outreach product, just the hard work of a space enthusiast excited about the upcoming launch of Chang'e 3.
PLANETARY RADIO LIVE: MAVEN Launches for Mars
Host Mat Kaplan will be joined by Bill Nye the Science Guy, Bruce Betts and Emily Lakdawalla for this special live event.
India prepares to take flight to Mars with the Mars Orbiter Mission (MOM)
The excitement is really building toward India's first-ever attempt at an interplanetary spacecraft! Launch day is quickly approaching for the Mars Orbiter Mission. In this lengthy post, I provide answers to frequently asked questions about the mission and its goals.
Why does ISON look green?
You may have noticed that Comet ISON appears to have a green halo in some recent images, but in other images acquired at about the same time, it doesn’t. Thanks to the beautiful new spectrum posted earlier today by Christian Buil, it’s relatively easy to understand why.
Chang'e 3 update: Rocket shipped to launch site; ten possible rover names announced
China's Chang'e 3 lunar soft lander and rover are proceeding toward a planned December launch. The Long March-3B rocket departed Beijing for the Xichang launch facility yesterday, and is expected to arrive November 1. Meanwhile, 190,000 contest entries have been winnowed to a list of ten possible names for the rover.
Field Report From Mars: Sol 3467 - October 24, 2013
On sol 3451 Opportunity began its climb of Solander Point. This is the highest “mountain” that Opportunity has tried to climb yet.
Noachian, Hesperian, and Amazonian, oh my! --Mars' Geologic Time Scale
The Martian Geologic Time Scale is a lot more complicated than the Moon's.
Curiosity update: Roving through the shutdown toward Waypoint 2, sols 388-432
After a brief science stop at Darwin (formerly known as Waypoint 1), Curiosity has driven hundreds of meters toward Mount Sharp. Autumn has come to Curiosity's southern hemisphere location, bringing lower temperatures. That means more power is required to heat rover actuators, leaving less power for science along the drive.
India's Mars Orbiter Mission now set for November 5 launch date
The launch of ISRO's Mars Orbiter Mission has been delayed by about a week due to bad weather in the Indian Ocean. The new launch date is November 5 at 14:36 IST (09:06 UTC / 01:06 PST). Their launch opportunity stretches to November 19.
The Strangest Place on the Moon?
A closer look at the odd lunar feature called
Uranus Awaits
It’s been a long time since anyone paid Uranus a visit. The Uranus system is, however, fascinating, as evidenced by the wealth of topics covered by the diverse group of planetary scientists who gathered to discuss it last week at the Paris Observatory.
Juno is in Safe Mode again, but still okay
After entering safe mode last week during its Earth flyby, Juno returned to normal operations and downlinked all engineering and science instrument data. It entered safe mode again on Sunday night, but it is expected to re-resume normal operations late next week.
One for the history books: Stunning Saturn mosaic captured last week by Cassini
I try to be measured in my praise for spacecraft images. Not every photo can be the greatest space image ever. But this enormous mosaic showing the flattened globe of Saturn floating within the complete disk of its rings must surely be counted among the great images of the Cassini mission.
Curiosity: still roving
Every day, I get a question from somebody about whether Curiosity has been shut down. It hasn't, and here's the thing: you can determine that for yourself
DPS 2013: Confusing Curiosity SAM results
What did I learn about Curiosity at last week's Division for Planetary Sciences meeting? There were a few talks, most of which concerned soil and atmsospheric chemistry. I can summarize their conclusions with one sentence: More data is needed.
America's Pastime: Planetary Science
Apologies to baseball fans and others for the theme of this week's Planetary Radio preview, which has star player Emily Lakdawalla on deck.



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