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Big hunks of carbonate rock on Mars at last

Emily Lakdawalla • June 10, 2010

Carbonate rocks should be all over Mars. But it's been hard to find carbonates—surprisingly so.

Mars Exploration Rovers Update: Spirit Sleeps through Solstice, Opportunity Cruises Past Viking Record

A.J.S. Rayl • May 31, 2010

The Mars Exploration Rovers made it through their fourth winter solstice in what is the coldest, most challenging Martian winter the twin robot field geologists have experienced.

Happy solstice -- on Mars

Emily Lakdawalla • May 13, 2010

It's the solstice on Mars today: summer in the north, winter in the south.

Space carnival, rover update, Planetary Radio Live!

Emily Lakdawalla • May 03, 2010

Just a linky post today, as I am nanny-less.

Mars Exploration Rovers Update: Spirit Snoozes Past Viking, Opportunity Snaps Endeavour on Horizon

A.J.S. Rayl • April 30, 2010

The Mars Exploration Rovers' fourth Martian winter is proving to be the harshest one yet and Spirit and Opportunity are getting colder than ever before. With temperatures on the Red Planet dropping in April and the Martian winter solstice still two weeks away, the season has turned into a shivering nail-biter.

Spirit: Schrödinger's Rover

Emily Lakdawalla • April 28, 2010

Either Spirit is the longest-lived landed Mars mission ever, or she is not. We won't know for certain unless we manage to observe a radio signal from her.

Sweet dreams, Spirit

Emily Lakdawalla • March 31, 2010

Spirit had been communicating on a once-per-week schedule in recent weeks. During the designated time for the rover to communicate with NASA's Mars Odyssey orbiter passing overhead on March 30, Odyssey heard nothing from the rover.

Mars Exploration Rovers Update: Spirit Begins Hibernation Probably, Opportunity Roves On to Endeavour Crater

A.J.S. Rayl • March 31, 2010

March seems to have come in like a lamb and gone out like a lion on the Red Planet this year as the Mars Exploration Rovers trudged deeper into their fourth winter. While Opportunity finished up work at Concepcin Crater and shifted into gear back on the road to Endeavour Crater, Spirit finished up winter preparations and carried out a limited winter agenda before shifting, it appears, into hibernation mode.

Gorilla seen in Nasa Snap from Mars? Umm....no.

Emily Lakdawalla • March 03, 2010

Yes, I'm totally not kidding, that is the headline in the Sun: "'Gorilla' seen in Nasa Snap from Mars."

LPSC, Day 1: Spirit and Phoenix

Emily Lakdawalla • March 02, 2010

Where to begin with the Lunar and Planetary Science Conference (LPSC)?

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