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No, they can't push with the arm to free Spirit

Emily Lakdawalla • December 15, 2009

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.

Hayabusa's still coming home: JAXA engineers come up with yet another creative solution

Emily Lakdawalla • November 19, 2009

Trouble has come time and again to JAXA's little Hayabusa asteroid sample return mission, yet the mission's engineers always come up with new and creative ways to solve problems.

Hayabusa stumbles on the path back to Earth

Emily Lakdawalla • November 11, 2009

JAXA issued a press release (in Japanese) on November 9 stating that one of Hayabusa's ion thrusters, thruster D, had stopped operating. Hayabusa launched with four ion thrusters, but D was one of only two that are still functioning. So the failure of thruster D is a serious problem.

Tracking the stars -- and Earth

Emily Lakdawalla • November 11, 2009

This was a neat photo from ESA today.

Reports from the 2009 arctic Mars analogue Svalbard expedition

Adrienne Kish • October 06, 2009 • 1

The expedition's goals were to integrate and test two new instruments for NASA's Mars Science Laboratory rover and four for ESA's ExoMars rover.

Mars Science Laboratory Instruments: MARDI

Ryan Anderson • October 06, 2009

Next up in my series of posts about the instruments on MSL is the Mars Descent Imager (MARDI).

Reports from the 2009 arctic Mars analogue Svalbard expedition

Juan Diego Rodriguez-Blanco • October 06, 2009

The expedition's goals were to integrate and test two new instruments for NASA's Mars Science Laboratory rover and four for ESA's ExoMars rover.

Mars Science Laboratory Instruments: MAHLI

Ryan Anderson • September 30, 2009

Last time, I talked about the MastCam color cameras on MSL, so it only makes sense to continue with one of the other cameras: The Mars Hand Lens Imager (MAHLI).

Mars Science Laboratory Instruments: Mastcam

Ryan Anderson • September 17, 2009

A few weeks ago I gave a lunch talk at Cornell summarizing the MSL mission and particularly the instruments that it will carry and was shocked by the number of people who showed up!

Exploring Mars on Earth: The Arctic Mars Analog Svalbard Expedition

Emily Lakdawalla • August 31, 2009

High in the Arctic, just below Earth's north polar ice cap, biologists, geologists, and engineers come together in Svalbard every August to practice and prepare for an expedition to Mars.

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