| August 25, 2008 |  |
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Meteorite Fast Track
Moffett Field CA (SPX) Aug 25, 2008For the last few years, astronomers have faced a puzzle: The vast majority of asteroids that come near the Earth are of a type that matches only a tiny fraction of the meteorites that most frequently hit our planet. Since meteorites are mostly pieces of asteroids, this discrepancy was hard to explain, but a team from MIT and other institutions has now found what it believes is the answer to the ... more Mid-Depth Soil Collected For Lab Test On NASA's Mars Lander 
Tucson AZ (SPX) Aug 25, 2008NASA's Phoenix Mars Lander has scooped up a soil sample from an intermediate depth between the ground surface and a subsurface icy layer. The sample was delivered to a laboratory oven on the spacecraft. The robotic arm on Phoenix collected the sample, dubbed "Burning Coals," from a trench named "Burn Alive 3." The sample consisted of about one-fourth to one-half teaspoon of loose soil ... more Tom Hill's TEMPO 3 Microsatellite Winner Of Mars Project Challenge 
Washington DC (SPX) Aug 21, 2008After receiving the highest number of votes cast by members of the Mars Society and the endorsement of the Steering Committee, Hill's concept to launch a microsatellite that will test artificial gravity generation techniques - which will be of immense value to the crew of a six-month flight to Mars - was named the winner of the MPC Saturday evening at the 11th Annual International Mars Society ... more Dress Rehearsal For Mars 
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 |
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Mountain View CA (SPX) Aug 18, 2008Layers of clay-rich rock have been found in Mars' Mawrth Vallis, a potential landing site for future rovers. This work, published in the August 8 issue of Science, suggests that abundant water was once present on Mars and that hydrothermal activity may have occurred. The Mawrth Vallis outflow channel is a feature in Mars' northern highland region, a heavily cratered, ancient area of the ... more Phoenix Microscope Takes First Image Of Martian Dust Particle 
Tucson AZ (SPX) Aug 15, 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 Marti ... more First Test Of Welding Tool For Ares I Upper Stage 
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 |
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Tucson AZ (SPX) Aug 11, 2008NASA's Phoenix Mars Lander has continued studies of its landing site by widening a trench, making overnight measurements of conductivity in the Martian soil and depositing a sample of surface soil into a gap between partially opened doors to an analytical oven on the lander. Phoenix's robotic arm delivered soil Thursday from a trench informally named "Rosy Red" through a narrow opening to ... more Professor Plays Vital Role In Mars Water Breakthrough 
Pasadena CA (SPX) Aug 11, 2008NASA's Phoenix Mars Lander has recently confirmed what space scientists have suspected for a long time: There is water on Mars. UT Dallas Physics Professor John Hoffman, a member of the William B. Hanson Center for Space Sciences, is at the center of the discovery. Hoffman's mass spectrometer is the system that analyzed gases from soil samples, the step needed to prove the existence ... more Chasing Dust Devils 
Tucson AZ (SPX) Aug 11, 2008"It's a bit of an art - learning how to drive across dry lake beds at great speed," says Matt Balme. "And it can be quite hairy as well." During the next three years, Balme will spend a lot of time careening across playas and other open, desert areas to better understand dust devils on Mars - how much dust they lift into the atmosphere and how this affects the martian climate. Understanding ... more ROTOZIP Duracut Bit Helps Phoenix Collect Martian Soil Samples 
Mt. Prospect IL (SPX) Aug 11, 2008The ROTOZIP Duracut Zip Bit, paired with a high-speed rasp, has enabled NASA's Phoenix Lander to collect valuable soil samples. NASA scientists confirmed the ROTOZIP-enabled rasp is the first tool in history to successfully cut into the permafrost surface of another planet and acquire a sample for analysis. To date, samples have led to the discovery of water on Mars and helped identify an ... more
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