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December 2007 Top Stories


ESA Mars Express Image: Noctis Labyrinthus, labyrinth of the night »» ESA Mars Express Image: Noctis Labyrinthus, labyrinth of the night

[Saturday, December 1, 2007] These images taken by the High-Resolution Stereo Camera onboard Mars Express imaged the Noctis Labyrinthus region, the "labyrinth of the night" on Mars.

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Questioning Martian Life »» Questioning Martian Life

[Monday, December 3, 2007] "Q: Looking for signs of life outside the Earth is one the most exciting ventures mankind is undertaking. However, most planets in the Solar System seem pretty inhospitable. What make you think that Mars is - or was - hosting life?"

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Mars Scout Selection Update: Announcement from the Mars Exploration Program, NASA Headquarters »» Mars Scout Selection Update: Announcement from the Mars Exploration Program, NASA Headquarters

[Tuesday, December 4, 2007] In preparing for the evaluation of Mars Scout Concept Study Reports for the final selection, NASA identified an organizational conflict of interest. NASA determined action had to be taken to resolve the conflict in order to maintain a fair competition.

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Spirit Breaks Free in Race for Survival »» Spirit Breaks Free in Race for Survival

[Wednesday, December 5, 2007] In typical unflagging fashion, Spirit has managed to break free of piles of soil built up around the wheels in a low, sandy area that the rover's handlers have nicknamed "Tartarus," after a deep, underworld dungeon in Greek mythology.

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Opportunity: Multi-Tasking Rover Supports Multiple Missions »» Opportunity: Multi-Tasking Rover Supports Multiple Missions

[Wednesday, December 5, 2007] Opportunity continues to investigate the rock exposure known as "Smith2" in the second of three bathtub ring-like layers of rock inside "Victoria Crater" as well as test communications for Phoenix, NASA's next mission to Mars.

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NASA Study Reveals Less Water in Mars' Clouds »» NASA Study Reveals Less Water in Mars' Clouds

[Thursday, December 6, 2007] Martian clouds may contain less water than previously thought, according to a new NASA study. New laboratory measurements of simulated martian clouds reveal that scientists may have been overestimating the amount of water in the planet's atmosphere.

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NASA Mars Reconnaissance Orbiter HiRISE Imagery Release 5 December 2007 »» NASA Mars Reconnaissance Orbiter HiRISE Imagery Release 5 December 2007

[Saturday, December 8, 2007] Onboard NASA's Mars Reconnaissance Orbiter, the HiRISE camera offers unprecedented image quality, giving us a view of the Red Planet in a way never before seen. It's the most powerful camera ever to leave Earth's orbit.

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International Group Plans Strategy for Mars Sample Return Mission »» International Group Plans Strategy for Mars Sample Return Mission

[Monday, December 10, 2007] The ability to study soil from Mars here on Earth will contribute significantly to answering questions about the possibility of life on the Red Planet.

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In search for water on Mars, clues from Antarctica »» In search for water on Mars, clues from Antarctica

[Monday, December 10, 2007] Scientists have gathered more evidence that suggests flowing water on Mars -- by comparing images of the red planet to an otherworldly landscape on Earth.

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Taking it to the Streets (Space That is): Problems with NASA's Return to the Moon Plan »» Taking it to the Streets (Space That is): Problems with NASA's Return to the Moon Plan

[Monday, December 10, 2007] "This past week has given me confirmation of something that has been a growing dread and suspicion : the Vision for Space Exploration (VSE) is being suffocated. It is literally having the life choked out of it."

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NASA Mars Rover Spirit Investigates Signs of Steamy Martian Past »» NASA Mars Rover Spirit Investigates Signs of Steamy Martian Past

[Monday, December 10, 2007] Researchers using NASA's twin Mars rovers are sorting out two possible origins for one of Spirit's most important discoveries, while also getting Spirit to a favorable spot for surviving the next Martian winter.

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Mars Reconnaissance Orbiter Examines 'Lace' and 'Lizard Skin' Terrain »» Mars Reconnaissance Orbiter Examines 'Lace' and 'Lizard Skin' Terrain

[Tuesday, December 11, 2007] Scrutiny by NASA's newest Mars orbiter is helping scientists learn the stories of some of the weirdest landscapes on Mars, as well as more familiar-looking parts of the Red Planet.

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Desert RATS »» Desert RATS

[Wednesday, December 12, 2007] Every September, after the summer rain backs off but before the mornings get too cold, a pack of RATS descends on the desert near Flagstaff, Ariz., to spend two weeks testing technologies that will play a vital role in the future of space exploration.

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Software help Mars rovers find winter havens »» Software help Mars rovers find winter havens

[Wednesday, December 12, 2007] New software is helping NASA find safe places for the Spirit rover to ride out future Martian winters - - and also plan where Spirit and its companion rover, Opportunity, will explore in the future.

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NASA Mars Reconnaissance Orbiter HiRISE Imagery Release 12 December 2007 »» NASA Mars Reconnaissance Orbiter HiRISE Imagery Release 12 December 2007

[Sunday, December 16, 2007] Onboard NASA's Mars Reconnaissance Orbiter, the HiRISE camera offers unprecedented image quality, giving us a view of the Red Planet in a way never before seen. It's the most powerful camera ever to leave Earth's orbit.

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 Spirit Scouts »» Spirit Scouts "Home Plate" for Safe Haven

[Monday, December 17, 2007] Spirit has arrived at the north edge of "Home Plate." The rover will spend the next few Martian days to determine the best site for "Winter Haven 3," where Spirit will try to survive another season of minimal sunlight.

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Hubble Space Telescope Photo at Mars' Closest Approach of 2007 »» Hubble Space Telescope Photo at Mars' Closest Approach of 2007

[Tuesday, December 18, 2007] Hubble took this close-up of Mars when it was 55 million miles - 88 million kilometers - away. This color image was assembled from a series of exposures taken within 36 hours of the Mars closest approach with Hubble's Wide Field and Planetary Camera 2.

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Spirit: Final Winter Haven Selection Near »» Spirit: Final Winter Haven Selection Near

[Tuesday, December 18, 2007] Spirit's solar power levels continue to drop, with solar array energies recently ranging from 293 watt-hours to 254 watt-hours, depending on the vehicle's orientation relative to the Sun.

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Opportunity Maneuvers Around Steeper Slopes in Victoria Crater »» Opportunity Maneuvers Around Steeper Slopes in Victoria Crater

[Tuesday, December 18, 2007] During the past week, Opportunity completed scientific investigation of the second band of rocks, known as "Smith," with an analysis of elemental chemistry and iron-bearing minerals beneath the surface of a rock exposure labeled "Smith2."

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New proposal opportunity for Appendix C.27: Moon and Mars Analog Mission Activities »» New proposal opportunity for Appendix C.27: Moon and Mars Analog Mission Activities

[Thursday, December 20, 2007] NASA Analog Missions research addresses the need for integrated interdisciplinary field experiments as an integral part of preparation for planned human and robotic missions to the Moon and Mars.

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International group plans strategy for Mars sample return mission »» International group plans strategy for Mars sample return mission

[Thursday, December 20, 2007] ESA, NASA and an international team are developing plans and seeking recommendations to launch the first Mars mission to bring soil samples back to Earth.

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NASA to Make Announcement About Mars Scout Evaluation Schedule »» NASA to Make Announcement About Mars Scout Evaluation Schedule

[Thursday, December 20, 2007] NASA will hold a media teleconference at 11 a.m. EST, on Friday, Dec. 21, to make an announcement about the schedule for evaluating its Mars Scout program.

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NASA Mars Reconnaissance Orbiter CRISM Image: Alteration of the Crust Beneath a Highland Crater »» NASA Mars Reconnaissance Orbiter CRISM Image: Alteration of the Crust Beneath a Highland Crater

[Thursday, December 20, 2007] This image of the wall of Capri Chasma, in Valles Marineris, was taken by the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) at 1151 UTC (7:51 a.m. EDT) on October 6, 2007, near 12.03 degrees south latitude, 312.04 degrees east longitude.

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NASA Delays Mars Scout Mission to 2013 »» NASA Delays Mars Scout Mission to 2013

[Friday, December 21, 2007] NASA announced today that the next mission in the Mars Scout program, originally planned for launch in 2011, is now targeted for launch in 2013.

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Astronomers Monitor Asteroid to Pass Near Mars »» Astronomers Monitor Asteroid to Pass Near Mars

[Friday, December 21, 2007] Astronomers funded by NASA are monitoring the trajectory of an asteroid estimated to be 164-feet wide that is expected to cross Mars' orbital path early next year.

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NASA Mars Reconnaissance Orbiter HiRISE Imagery Release 19 December 2007 »» NASA Mars Reconnaissance Orbiter HiRISE Imagery Release 19 December 2007

[Friday, December 21, 2007] Onboard NASA's Mars Reconnaissance Orbiter, the HiRISE camera offers unprecedented image quality, giving us a view of the Red Planet in a way never before seen. It's the most powerful camera ever to leave Earth's orbit.

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Mars rovers find new evidence of 'habitable niche'; perilous third winter approaches »» Mars rovers find new evidence of 'habitable niche'; perilous third winter approaches

[Friday, December 21, 2007] Inch by power-conserving inch, drivers on Earth have moved the Mars rover Spirit to a spot where it has its best chance at surviving a third Martian winter.

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How Mars could have been warm and wet but limestone-free »» How Mars could have been warm and wet but limestone-free

[Friday, December 21, 2007] Abundant evidence points to an early warm, wet climate on the red planet, but there's no sign of the widespread carbonate rocks, such as limestone, that should have formed in such a climate.

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NASA Mars Reconnaissance Orbiter HiRISE Imagery Release 26 December 2007 »» NASA Mars Reconnaissance Orbiter HiRISE Imagery Release 26 December 2007

[Wednesday, December 26, 2007] Onboard NASA's Mars Reconnaissance Orbiter, the HiRISE camera offers unprecedented image quality, giving us a view of the Red Planet in a way never before seen. It's the most powerful camera ever to leave Earth's orbit.

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Sulfur dioxide may have helped maintain a warm early Mars »» Sulfur dioxide may have helped maintain a warm early Mars

[Thursday, December 27, 2007] Sulfur dioxide (SO2) may have played a key role in the climate and geochemistry of early Mars. The hypothesis may resolve longstanding questions about evidence that the climate of the Red Planet was once much warmer than it is today.

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Astronomers Monitor Asteroid to Pass Near Mars: Impact Chances Now 1 in 25 »» Astronomers Monitor Asteroid to Pass Near Mars: Impact Chances Now 1 in 25

[Friday, December 28, 2007] Astronomers have refined their trajectory estimates for the asteroid 2007 WD 5. Based on this latest analysis, the odds for the asteroid impacting Mars on Jan. 30 are now 1-in-25 -- or about 4 percent.

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