| August 27, 2008 |  |
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Ice Cold Sunrise On Mars
Tempe AZ (SPX) Aug 27, 2008From 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. This period of maximum solar energy is past -- on Sol 86, the 86th Martian day after the Phoenix landing, the sun fully set behind a slight rise to the north for about half an hour. This red-filter image taken by the lander's Surface Stereo ... more Dawn Advances Slowly 
Pasadena CA (SPX) Aug 27, 2008The Dawn spacecraft continues to make good progress on its adventure to unlock scientific secrets hidden deep in the main asteroid belt, between Mars and Jupiter. Its path to that distant realm of the solar system is now bringing it closer to the Sun, and thanks in part to all the thrusting it has accomplished with its remarkable ion propulsion system, it has recently achieved its lowest speed ... more Seeing Mars In A Particle Of Dust 
Moffett Field CA (SPX) Aug 27, 2008NASA's Phoenix Mars Lander has taken the first-ever image of a single particle of Mars' ubiquitous dust, using its atomic force microscope. The particle -- shown at higher magnification than anything ever seen from another world -- is a rounded particle about one micrometer, or one millionth of a meter, across. It is a speck of the dust that cloaks Mars. Such dust particles color the ... more Phoenix Digs Deeper As Third Month Nears End 
Tucson AZ (SPX) Aug 26, 2008The next sample of Martian soil being grabbed for analysis is coming from a trench about three times deeper than any other trench NASA's Phoenix Mars Lander has dug. On Tuesday, Aug. 26, the spacecraft will finish the 90 Martian days (or "sols") originally planned as its primary mission and will continue into a mission extension through September, as announced by NASA in July. Phoenix lander ... more Liquid Water in the Martian North 
Moffett Field CA (SPX) Aug 25, 2008Perchlorate. Never heard of it? Join the club. But NASA's Phoenix spacecraft has found it in the soil in the icy northern plains of Mars. And now that it's been found, scientists are scrambling to explain how it got there, and what, if anything, its presence means about the habitability of the martian north. Phoenix didn't go to Mars to find perchlorate. It went looking for evidence of ... more |
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Moffett Field CA (SPX) Aug 22, 2008Before testing for life on other planets, it's useful to practice on barren areas of the Earth. One such place is Rio Tinto in Spain, where conditions are analogous to Mars. The water of that Spanish river is very acidic, similar to water scientists think may have once flowed on the martian surface. Also, chemical studies hint that rocks on Mars' Meridiana Planum plain have been moved by ... more Phoenix Mars Lander Explores Site By Trenching 
Tucson AZ (SPX) Aug 22, 2008NASA's Phoenix Mars Lander scientists and engineers are continuing to dig into the area around the lander with the spacecraft's robotic arm, looking for new materials to analyze and examining the soil and ice subsurface structure. New trenches opened recently include the "Burn Alive 3" trench in the "Wonderland" digging area in the eastern portion of the arm's reachable workspace. Research ... more NASA to use shock-absorbers to fix shaking in new Ares rocket 
Washington (AFP) Aug 20, 2008NASA say they will use shock-absorbers similar to those used in cars to fix a problem with heavy vibrations in the new Ares rocket, to give stronauts inside the Orion crew capsule a smoother ride. US space agency engineers have recommended a system employing spring-mounted weights and shock-absorbing tubes between the first and second stage of the rocket to rectify excessive vibrations. ... more Spirit Waiting Out The Winter 
Pasadena CA (SPX) Aug 18, 2008Spirit's battery levels are slowly edging upward, thanks to a slight decrease in atmospheric dust (Tau) and a gradual increase in sunlight as winter gives way to spring. Early in the week, Spirit spent two Martian days carrying out contingency plans following a temporary delay in data transmission from Earth. Spirit implemented the so-called "runout" portion of an earlier master sequence ... more |
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Huntsville AL (SPX) Aug 14, 2008NASA's Marshall Space Flight Center, in Huntsville, Ala., engineers made the first "official" weld with tools that will enable development of the upper stage of the Ares I rocket. For this historic moment, the engineers used tools that soon will aid in manufacture of major test hardware for the Ares I rocket, slated to carry human missions back to the moon, on to Mars and out into the solar syst ... more Water Ideas Are All Wet 
Moffett Field CA (SPX) Aug 14, 2008According to new research, old ideas about water behavior are all wet. Ubiquitous on Earth, water also has been found in comets, on Mars and in molecular clouds in interstellar space. Now, scientists say this common fluid is not as well understood as we thought. "Water, as we know it, does not exist within our bodies," said Martin Gruebele, a William H. and Janet Lycan Professor of Chemist ... more PSI Director Promotes 13-Planet Solar System 
Columbia, Maryland (SPX) Aug 13, 2008Mark Sykes says that if a non-stellar object is massive enough to be round and orbits a star, it ought to be a planet. The key here is that once an object gets that big, important geophysical processes begin. Under this scenario, the smallest known planet in the solar system would be Ceres, the largest and most massive object in the asteroid belt between Mars and Jupiter. Ceres is less ... more Soil Studies Continue At Phoenix Mars Lander Site 
Pasadena CA (SPX) Aug 13, 2008Vibration of the screen above a laboratory oven on NASA's Phoenix Mars Lander on Saturday, Aug. 9, succeeded in getting enough soil into the oven to begin analysis. Commands were sent for the lander's Thermal and Evolved-Gas Analyzer (TEGA) to begin analysis Sunday of the soil sample from a trench called "Rosy Red." Phoenix's robotic arm delivered soil Thursday from the Rosy Red trench ... more
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