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Stories, updates, insights, and original analysis from The Planetary Society.
Planetary Surface Processes Field Trip: Day 3
Today was all about volcanoes.
Planetary Surface Processes Field Trip: Day 1
After a hectic week of tying up loose ends and running around like a chicken with its head cut off, I now have my proster done for the Lunar and Planetary Science Conference, and am in Phoenix for the Planetary Surface Processes field trip, led by my adviser Jim Bell.
The Reasons Behind the MSL Delay
There are a pair of excellent articles in this week's Space Review by Adrian Brown, looking at the Technical and Budgetary reasons that the Mars Science Lab launch was delayed until 2011.
New Google Mars
Google Earth's latest edition was just released and guess what? It has a Mars setting!
Mars Methane Movie
NASA has put together a nice movie of Dr. Mike Mumma summarizing his discovery of methane on Mars.
MSL Press Conference Notes
Mike Griffin started the press conference, and got right down to business announcing the launch delay and indicating that the actuators as well as other technical problems are responsible.
MSL Press Conference Tomorrow
At 12 noon EST. I know what the announcement is, but I'm not allowed to tell you! How frustrating is that?!
MSL Launch Delayed by Two Years
As I post this, NASA is holding a press conference in which they are announcing that the Mars Science Laboratory's launch date will be slipped by two years.
Sample Return Cache on MSL Canceled!
I just heard, via this article at Universe Today, that the sample cache on MSL has been canceled.
MSL Landing Sites Narrowed to Four
I've known about this for a little while but it was finally made public: The list of MSL landing sites had now been trimmed to four.
MSL Still Aiming for Oct 2009
NASA is holding a press conference right now regarding MSL and it sounds like they are going to press on and try to achieve the October 2009 launch date.
Plumbing on Mars: HiRISE Reveals Groundwater Cracks
This image from the HiRISE camera on the Mars Reconaissance Orbiter, shows cracks in the rocks on Mars that once formed the underground plumbing through which groundwater traveled.
Potential MSL Site: Mawrth Vallis
The Mawrth Vallis landing site is actually a set of four possible landing ellipses in an area with huge clay mineral signatures that is cut by a meandering outflow channel.
Potential MSL Site: Eberswalde
The Eberswalde site is interesting because it is unarguably the best example of a delta on Mars.
Potential MSL Site: Holden Crater
The next landing site that we heard about was Holden Crater. Holden is a 154 km diameter crater formed early in martian history that happened to fall smack in the path of an extensive fluvial system.
MSL Workshop Presentations!
For those of you playing along at home, I thought I should point out that most of the presentations so far are posted at the
Potential MSL Site: Gale Crater
I am sort of breaking my own protocol here by posting about Gale crater before I hear the presentations today, but since we will immediately go into discussion and decision making after it is presented this morning, I figured that it would be good to familiarize you with it now.
MSL Landing Site Selection: The Votes are In!
It looks like the top three sites are Eberswalde, Holden and Gale.
MSL Workshop: Votes are Cast!
The discussion and arguments are over! We are just waiting for the last few ballots to be submitted, and then the project science group will start counting them.
Potential MSL Site: Nili Fossae Trough
This morning we hit the ground running and heard about a very interesting site: the Nili Fossae Trough. This site would land in a big canyon formed when a block of crust dropped down.