Separation day arrives for Mars Express and Beagle 2
... to hit a specific point at the top of the Martian atmosphere in six days' time. Initial confirmation that the ...ly on 25 December, Beagle 2 should plunge into the atmosphere before parachuting to its planned landing site, a broad basin close to the Martian equator, known as...Science's breakthrough of the year: Illumination of the dark, expanding universe
...huttle Columbia disintegrated as it re-entered the atmosphere after a science mission. The tragedy left seven dead, the shuttle fleet grounded and NASA's future in question. Much of 2004 could be dedicated to a reexamination of NASA's civil space program. Where Researchers Might Soar in 2004: As in previou...Academy Harbor Consortium releases letter on mercury to President Bush
...re is a direct link between mercury emitted to the atmosphere and mercury levels in fish--both those fish caught in our lakes and streams and the commercial fish caught in our world's oceans. Reductions in atmospheric releases will eventually result in lower mercury levels in fish. That this is an important p...NASA scientists discover spring thaw makes a difference
... by the vegetation than is being released into the atmosphere for the region. How longthis trend will occur depe... in by growing plants. Carbon dioxide levelsin the atmosphere would increase at an accelerated rate, fostering even greater warming of the region and affecting gl...NASA learning to monitor coral reef health from the sky
... Guild said. "There also will be a layer of atmosphere between the coral, the water and the sensor when i... the reefs," she added. "The effects of the atmosphere on light are pretty well known, but the challenge is to correct for the effects of the layer of wate...Professor uses satellites to protect Amazon forests, global climate
...n dioxide, required by plants for life, out of the atmosphere and into the forest. The biomass in the forest then absorbs and stores it, keeping a portion of global-warming gases out of the atmosphere. With the loss of the forest, this process is severely diminished. Despite the best efforts of Asner and his te...Mercury in ocean fish may come from natural sources, not pollution
...s have estimated that the amount of mercury in the atmosphere today is about two to three times what it was 150 years ago. "People have assumed that the high mercury in fish must be from pollution," says Franois Morel, Ph.D., a professor of geochemistry at Princeton University and an author of the study. "...Accelerated global warming from nutrient shortages for trees and soils
...e that increasing amounts of CO2, belched into the atmosphere by human fossil fuel use, will be captured through nature's ability to lock up the carbon in soil organic matter and faster growing trees. But it's not so simple. A new report, published in the November 28 Science, shows that the availability of nitr...New evidence says Earths greatest extinction caused by ancient meteorite
...t one-two punch so affected the composition of the atmosphere that it took thousands of years to recover--leaving only a relative handful of plants and animals alive. Two decades ago, Nobel laureate Luis Alvarez and his son, Walter, detected huge concentrations of iridium throughout the world in rock dated to t...Over land, sea and air, users give MERIS high marks
...n Earth's oceans, coastal zones, land surfaces and atmosphere and potentially combining it with results from ot...l sessions on key themes including water, land and atmosphere applications. Olivier Arino, Head of Projects in ESA's Earth Observation Applications Department ga...Bush Administration plan to reduce global warming could devastate sea life
...missions that would otherwise be released into the atmosphere and store them in underground geologic formations or deep in the ocean. Energy Secretary Spencer Abraham announced in September the creation of seven regional partnerships to establish the framework needed to develop the necessary technologies and p...Advance in developing biological strategies to produce hydrogen and sequester carbon dioxide
...uce the amount of carbon dioxide released into the atmosphere and to produce biological energy sources that are cost-effective and efficient. In April 2003, the Department of Energy announced it was increasing its funding to IBEA by $9 million over three years. With the new funds, IBEA scientists will determin...Extraterrestrial enigma: missing amino acids in meteorites
...ere thought to have been created in the primordial atmosphere of early Earth. In a now famous experiment more than a half-century ago, Stanley Miller and Harold Urey showed that amino acids were synthesized by simply creating lightning-like electrical discharges through a fog of water, methane and ammonia all ...Cervantes mission concludes with Soyuz TMA-2 landing
...ation of Soyuz TMA-2, the crew entered the Earth's atmosphere in the command module at 03:16 (CET), the main parachute opened at 03:25 (CET) and the landing took place 15 minutes later. During his 8-day stay on the ISS, Pedro Duque carried out an extensive programme of scientific, technological and educational...UGA researchers track greenhouse gases in forests
...g the exchange of gases between vegetation and the atmosphere for years. "When I was working on my master's degree in Canada, the CO2 level over the cornfield was 325 parts per million," Leclerc said. "(It) would now be 355 ppm over that same field." Americans could help reduce carbon in the air by driving smal...College is first to be Kyoto Protocol compliant
...ffset projects reduce greenhouse gas levels in the atmosphere and help mitigate climate change by funding efforts such as reforestation, green building practices or wind farms. The result is a cost-effective method that enabled Lewis & Clark College to minimize its net carbon impact. Students at the private lib...NSF awards $68 million for new engineering centers
...ent weather observing systems in the region of the atmosphere where tornadoes, severe thunderstorms, and other h...nd resolution and unable to view much of the lower atmosphere due to the sparse distribution of weather radar systems. CASA will be headquartered at the Unive...Envisat observes resurgent ozone hole
...red emissions from the Earth's 'limb' the band of atmosphere between planetary surface and empty space, as obse...s have been reduced and their concentration in the atmosphere has stabilised. But they are very long-lived and will stay in place for a long time." A single mole...Ocean plant life slows down and absorbs less carbon
...r, creating a potential pathway of carbon from the atmosphere into the deep ocean. In the high latitudes, rates of plankton growth declined by 7 percent in the North Atlantic basin, 9 percent in the North Pacific basin, and 10 percent in the Antarctic basin when comparing the 1980s dataset with the late 1990s o...New Colorado U. study shows increase in fungal metabolism under the snow
... microbes may increase the release of CO2 into the atmosphere and could change estimates of carbon fluctuation on Earth," he said. The results are prompting a reevaluation by scientists of whether snow-covered regions can act as "sinks," or storage areas, for CO2, he said. A paper on the subject by Schmidt, Chr...