News tagged with sol

Ice Cold Sunrise on Mars

Space & Earth / Space Exploration

Aug 27, 2008 | 4.6 / 5 (9) | 0

(PhysOrg.com) -- From the location of NASA's Phoenix Mars Lander, above the Martian arctic circle, the sun does not set during the peak of the Martian summer.

Spirit Mars Rover: Unexpected Wheel-Test Results

Space & Earth / Space Exploration

Dec 15, 2009 | 4.9 / 5 (7) | 2

(PhysOrg.com) -- Diagnostic tests were run on Spirit's right-rear wheel and right-front wheel on Sol 2013 (Dec. 12, 2009).

Rover Confirms Meteorite on Mars

Space & Earth / Space Exploration

Aug 06, 2009 | 4.8 / 5 (6) | 9

(PhysOrg.com) -- Composition measurements by NASA's Mars Exploration Rover Opportunity confirm that this rock on the Martian surface is an iron-nickel meteorite.

Spirit Rover: Right-Front Wheel Rotations

Space & Earth / Space Exploration

Dec 18, 2009 | 4.8 / 5 (5) | 0

(PhysOrg.com) -- Spirit's right-front wheel, which had stopped operating in March 2006, revolved with apparently normal motion during the first three of four driving segments on Sol 2117 (Wednesday, Dec. 16) ...

Spirit Mars Rover: No Wheel Stall in Diagnostic Drive

Space & Earth / Space Exploration

Nov 25, 2009 | 4.2 / 5 (5) | 1

(PhysOrg.com) -- On Sol 2095 (Tuesday, Nov. 24), Spirit performed a set of diagnostic actions related to a stall of the right-rear wheel on the previous drive, three days earlier.

Free Spirit: Rock Under the Belly

Space & Earth / Space Exploration

Jul 02, 2009 | 4 / 5 (4) | 1

Engineers placed a rock underneath the test rover at NASA's Jet Propulsion Laboratory, Pasadena, Calif., on July 1, 2009, to more closely simulate Spirit's predicament on Mars.

Second Planned Extrication Drive is Straight Ahead Again

Space & Earth / Space Exploration

Nov 19, 2009 | 3.8 / 5 (4) | 0

(PhysOrg.com) -- Because the first extrication drive for Spirit, on Sol 2088 (Nov. 17), stopped as soon as it began due to an exceeded tilt limit, the plan for an extrication drive on Sol 2090 (Nov. 19) wil ...

Rover Spirit: Another Stall of Right-Rear Wheel Ends Drive

Space & Earth / Space Exploration

Dec 02, 2009 | 2.5 / 5 (2) | 0

(PhysOrg.com) -- Spirit's right-rear wheel stalled again on Sol 2099 (Nov. 28, 2009) during the first step of a two-step extrication maneuver.