http://www.sciencedaily.com/news/space_time/space_probes/ Space Probes. Read the latest in space exploration using unmanned spacecraft. See images from Space Probe Cassini and Space Probe Galileo. Pictures of Saturn, Jupiter, Mars and more. en-us Wed, 25 Nov 2009 16:05:01 EST Wed, 25 Nov 2009 16:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/space_time/space_probes/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091123185639.htm NASA's Cassini spacecraft is helping to rewrite our understanding of the shape of our solar system as it moves through the local Milky Way galaxy. Previous models pictured our solar system as having a comet-like appearance. The new results suggest a picture more like a bubble. Tue, 24 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123185639.htm http://www.sciencedaily.com/releases/2009/11/091123185902.htm NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain. These data and images will be processed and analyzed in the coming weeks. They will help scientists create the most-detailed-yet mosaic image of the southern part of the moon's Saturn-facing hemisphere and a contiguous thermal map of one of the intriguing "tiger stripe" features, with the highest resolution to date. Tue, 24 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123185902.htm http://www.sciencedaily.com/releases/2009/11/091113101417.htm This morning, mission controllers confirmed that ESA's comet chaser Rosetta had swung by Earth at 8:45 CET as planned, skimming past our planet to pick up a gravitational boost for an epic journey to rendezvous with comet 67P/Churyumov-Gerasimenko in 2014. Fri, 13 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091113101417.htm http://www.sciencedaily.com/releases/2009/11/091113122530.htm The argument that the moon is a dry, desolate place no longer holds water. Preliminary data from the Lunar CRater Observation and Sensing Satellite, or LCROSS, indicates that the mission successfully uncovered water during the Oct. 9, 2009 impacts into the permanently shadowed region of Cabeus cater near the moon's south pole. Fri, 13 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091113122530.htm http://www.sciencedaily.com/releases/2009/11/091112103425.htm When Europe's comet chaser Rosetta swings by Earth on Nov. 13 for a critical gravity assist, tracking data will be collected to precisely measure the satellite's change in orbital energy. The results could help unravel a cosmic mystery that has stumped scientists for two decades. Fri, 13 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/11/091112103425.htm http://www.sciencedaily.com/releases/2009/11/091110141846.htm When NASA's space shuttle Atlantis launches for the International Space Station on Nov. 16 it will carry a butterfly experiment that will be monitored by thousands of K-12 students across the nation. Thu, 12 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110141846.htm http://www.sciencedaily.com/releases/2009/11/091108215449.htm A NASA spacecraft gliding over the battered surface of Mercury for the second time this year has revealed more previously unseen real estate on the innermost planet. The probe also has produced several science firsts and is returning hundreds of new photos and measurements of the planet's surface, atmosphere and magnetic field. Tue, 10 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/11/091108215449.htm http://www.sciencedaily.com/releases/2009/11/091108214703.htm The Cassini spacecraft has weathered the Monday, Nov. 2, flyby of Saturn's moon Enceladus in good health and has been sending images and data of the encounter back to Earth. Cassini had approached Enceladus more closely before, but this passage took the spacecraft on its deepest plunge yet through the heart of the plume shooting out from the south polar region. Scientists are eagerly sifting through the results. Tue, 10 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091108214703.htm http://www.sciencedaily.com/releases/2009/11/091110070107.htm Winter images of NASA's Phoenix Lander showing the lander shrouded in dry-ice frost on Mars have been captured with the High Resolution Imaging Science Experiment, or HiRISE camera, aboard NASA's Mars Reconnaissance Orbiter. Tue, 10 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110070107.htm http://www.sciencedaily.com/releases/2009/11/091103121616.htm Launched from Vandenberg Air Force Base, Calif., aboard an United Launch Alliance Atlas V launch vehicle, Oct. 18, 2009, the Special Sensor Ultraviolet Limb Imager (SSULI) developed by the Naval Research Laboratory offers a first of its kind technique for remote sensing of the ionosphere and thermosphere from space. Tue, 03 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103121616.htm http://www.sciencedaily.com/releases/2009/10/091029141251.htm Scientists argue that human missions to Mars, as well as all other long-term space flights might be compromised by microbial hitchhikers, such as bacteria. That's because long-term space travel packs a one-two punch to astronauts: first it appears to weaken their immune systems; and second, it increases the virulence and growth of microbes. Fri, 30 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091029141251.htm http://www.sciencedaily.com/releases/2009/10/091029111907.htm A new European Earth observation satellite will be launched in the early hours of Monday November 2 from the Plesetsk Cosmodrome in northern Russia. The European Space Agency Soil Moisture and Ocean Salinity satellite will measure moisture levels in the Earth's soils and the saltiness of the world's oceans from space for the very first time. Thu, 29 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091029111907.htm http://www.sciencedaily.com/releases/2009/09/090924123310.htm During flights simulating the moon's low gravity, researchers find that sifters can separate soil particles and produce the best feedstock for an oxygen generator. Scientists are designing and testing components of the generator, which would provide oxygen needed for a lunar or Martian outpost. Thu, 29 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090924123310.htm http://www.sciencedaily.com/releases/2009/10/091028125147.htm NASA's Ares I-X test rocket lifted off Wednesday from NASA's Kennedy Space Center in Florida for a two-minute powered flight. The test flight lasted about six minutes from its launch from the newly-modified Launch Complex 39B until splash down of the rocket's booster stage nearly 150 miles down range. The 327-foot tall Ares I-X test vehicle produced 2.6 million pounds of thrust to accelerate the rocket to nearly 3 g's and Mach 4.76, just shy of hypersonic speed. It capped its easterly flight at a sub-orbital altitude of 150,000 feet after the separation of its first stage, a four-segment solid rocket booster. Wed, 28 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091028125147.htm http://www.sciencedaily.com/releases/2009/10/091027195507.htm An armada of robots may one day fly above the mountain tops of Saturn's moon Titan, cross its vast dunes and sail in its liquid lakes. Wed, 28 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091027195507.htm http://www.sciencedaily.com/releases/2009/10/091023163519.htm As Saturn's rings orbit the planet, a section is typically in the planet's shadow, experiencing a brief night lasting from 6 to 14 hours. However, once approximately every 15 years, night falls over the entire visible ring system for about four days. Fri, 23 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091023163519.htm http://www.sciencedaily.com/releases/2009/10/091021101820.htm As preparations for the launch of SMOS and Proba-2 continue on schedule, the engineers and technicians at the Russian launch site say goodbye as both satellites are encapsulated within the half-shells of the Rockot fairing. Wed, 21 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091021101820.htm http://www.sciencedaily.com/releases/2009/10/091021142925.htm Peering far beyond our solar system, NASA researchers have detected the basic chemistry for life in a second hot gas planet, advancing astronomers toward the goal of being able to characterize planets where life could exist. The planet is not habitable but it has the same chemistry that, if found around a rocky planet in the future, could indicate the presence of life. Wed, 21 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091021142925.htm http://www.sciencedaily.com/releases/2009/10/091020122532.htm ESA's Rosetta comet chaser will swing by Earth on Nov. 13 to pick up orbital energy and begin the final leg of its 10-year journey to the outer Solar System. Several observations of the Earth-moon system are planned before the spacecraft heads out to study comet 67/P Churyumov-Gerasimenko. Tue, 20 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091020122532.htm http://www.sciencedaily.com/releases/2009/10/091015091605.htm The Moon is a big sponge that absorbs electrically charged particles given out by the Sun. These particles interact with the oxygen present in some dust grains on the lunar surface, producing water. This discovery, made by the ESA-ISRO instrument SARA onboard the Indian Chandrayaan-1 lunar orbiter, confirms how water is likely being created on the lunar surface. Mon, 19 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015091605.htm http://www.sciencedaily.com/releases/2009/10/091016101807.htm The solar system, as defined by the heliosphere, the region of the sun's influence, may have a quite different shape than scientists had thought. Sun, 18 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091016101807.htm http://www.sciencedaily.com/releases/2009/10/091016112630.htm Galactic magnetic fields had a far greater impact on Earth's history than previously conceived, and the future of our planet and others may depend, in part, on how the galactic magnetic fields change with time. Sat, 17 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091016112630.htm http://www.sciencedaily.com/releases/2009/10/091016094030.htm Direct communication between Earth and Mars can be strongly disturbed and even blocked by the Sun for weeks at a time, cutting off any future human mission to the Red Planet. An European Space Agency engineer working with engineers in the UK may have found a solution using a new type of orbit combined with continuous-thrust ion propulsion. Fri, 16 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091016094030.htm http://www.sciencedaily.com/releases/2009/10/091015144522.htm NASA's Interstellar Boundary Explorer, or IBEX, spacecraft has made it possible for scientists to construct the first comprehensive sky map of our solar system and its location in the Milky Way galaxy. The new view will change the way researchers view and study the interaction between our galaxy and sun. Results include the discovery of a narrow ribbon of bright details or emissions not resembling any of the current theoretical models of the interstellar boundary region. Fri, 16 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015144522.htm http://www.sciencedaily.com/releases/2009/10/091002124823.htm A UK engineering student has designed a motor that could one day help transform rocket design. Fri, 16 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091002124823.htm http://www.sciencedaily.com/releases/2009/10/091016142056.htm The first all-sky maps developed by NASA's Interstellar Boundary Explorer (IBEX) spacecraft, the first mission to examine the global interactions occurring at the edge of the solar system, reveal surprising and intense interactions between our home in the galaxy and interstellar space. Fri, 16 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091016142056.htm http://www.sciencedaily.com/releases/2009/10/091009101945.htm NASA's Lunar Crater Observation and Sensing Satellite, or LCROSS, created twin impacts on the moon's surface early Friday in a search for water ice. Scientists will analyze data from the spacecraft's instruments to assess whether water ice is present. Fri, 09 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091009101945.htm http://www.sciencedaily.com/releases/2009/10/091008161908.htm At 7:30 a.m. EDT on Oct. 9, a two-ton rocket body will slam into a crater near the moon's south pole. By studying the resulting plume of gas and dust, scientists hope this grand experiment will confirm the presence of ice in permanently shadowed craters at the lunar poles. A NASA Goddard Space Flight Center visualization team previewed the lunar impact. Thu, 08 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091008161908.htm http://www.sciencedaily.com/releases/2009/10/091007161127.htm Researchers are developing a new type of rocket propellant made of a frozen mixture of water and "nanoscale aluminum" powder that is more environmentally friendly than conventional propellants and could be manufactured on the moon, Mars and other water-bearing bodies. Thu, 08 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091007161127.htm http://www.sciencedaily.com/releases/2009/10/091006205610.htm NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn -- by far the largest of the giant planet's many rings. Wed, 07 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006205610.htm http://www.sciencedaily.com/releases/2009/10/091006113003.htm Crashing a rocket into the Moon will create “one more dimple” on the lunar surface and could find water ice on Earth’s nearest neighbour, according to one expert. Tue, 06 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006113003.htm http://www.sciencedaily.com/releases/2009/10/091004020806.htm NASA has made a series of critical strides toward the development of new nuclear reactors the size of a trash can that could power a human outpost on the moon or Mars. Three recent tests at different NASA centers and a national lab have successfully demonstrated key technologies required for compact fission-based nuclear power plants for human settlements on other worlds. Sun, 04 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091004020806.htm http://www.sciencedaily.com/releases/2009/09/090929133244.htm Planning a trip to Mars? Take plenty of shielding. According to sensors on NASA's Advanced Composition Explorer spacecraft, galactic cosmic rays have just hit a Space Age high. Tue, 29 Sep 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090929133244.htm http://www.sciencedaily.com/releases/2009/09/090928194449.htm NASA's Marshall Space Flight Center is testing a new robotic lunar lander test bed that will aid in the development of a new generation of multi-use landers for future robotic space exploration. Tue, 29 Sep 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090928194449.htm http://www.sciencedaily.com/releases/2009/09/090916092751.htm Wind speeds and directions were measured for the first time in the Mars polar region using the Phoenix lander’s Telltale instrument. Astronomers recorded Easterly winds of approximately 15-20 kilometres per hour during the martian mid-summer. When autumn approached, the winds increased and switched round to come predominantly from the West. While these winds appeared to be dominated by turbulence, the highest wind speeds recorded of up to nearly 60 kilometres per hour coincided with the passing of weather systems, when also the number of dust devils increased by an order of magnitude. Tue, 29 Sep 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090916092751.htm http://www.sciencedaily.com/releases/2009/09/090927140838.htm NASA's Mercury Surface, Space Environment, Geochemistry, and Ranging spacecraft known as MESSENGER will fly by Mercury for the third and final time on Sept. 29. The spacecraft will pass less than 142 miles above the planet's rocky surface for a final gravity assist that will enable it to enter Mercury's orbit in 2011. Determining the composition of Mercury's surface is a major goal of the orbital phase of the mission. The spacecraft already has imaged more than 90 percent of the planet's surface. The spacecraft's team will activate instruments during this flyby to view specific features to uncover more information about the planet. Mon, 28 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090927140838.htm http://www.sciencedaily.com/releases/2009/09/090924112849.htm Twenty-eight times per second, engineers at NASA's Goddard Space Flight Center fire a laser that travels about 250,000 miles to hit the minivan-sized Lunar Reconnaissance Orbiter spacecraft moving at nearly 3,600 miles per hour as it orbits the moon. Mon, 28 Sep 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090924112849.htm http://www.sciencedaily.com/releases/2009/09/090925102055.htm The European Space Agency's SMART-1 team has released an image of the future impact site of NASA's Lunar Crater Observation and Sensing Satellite (LCROSS). LCROSS will search for water ice on the Moon by making two impacts into a crater named Cabeus A at the lunar South Pole. The impacts are scheduled for 11:30 and 11:34 am UT on 9 October 2009. Sun, 27 Sep 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090925102055.htm http://www.sciencedaily.com/releases/2009/09/090924143506.htm NASA's Mars Reconnaissance Orbiter has revealed frozen water hiding just below the surface of mid-latitude Mars. The spacecraft's observations were obtained from orbit after meteorites excavated fresh craters on the Red Planet. Fri, 25 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090924143506.htm http://www.sciencedaily.com/releases/2009/09/090924141249.htm The discovery of large quantities of water on the moon will have very significant implications for human space exploration, according to a UK space expert. The findings by NASA were reportedly made after researchers examined data from three separate missions to the moon. Fri, 25 Sep 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090924141249.htm http://www.sciencedaily.com/releases/2009/09/090924093559.htm In a discovery that promises to reinvigorate studies of the moon and potentially upend thinking of how it originated, scientists have found evidence of water molecules on the surface of the moon. Thu, 24 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090924093559.htm http://www.sciencedaily.com/releases/2009/09/090921174323.htm NASA scientists are marveling over the extent of ruffles and dust clouds revealed in the rings of Saturn during the planet's equinox last month. Scientists once thought the rings were almost completely flat, but new images reveal the heights of some newly discovered bumps in the rings are as high as the Rocky Mountains. Wed, 23 Sep 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090921174323.htm http://www.sciencedaily.com/releases/2009/09/090922185937.htm New, three-dimensional imaging of Martian north-polar ice layers by a radar instrument on NASA's Mars Reconnaissance Orbiter is consistent with theoretical models of Martian climate swings during the past few million years. Wed, 23 Sep 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090922185937.htm http://www.sciencedaily.com/releases/2009/09/090917131548.htm NASA's Lunar Reconnaissance Orbiter, launched on June 18 of this year, has begun its extensive exploration of the lunar environment and will return more data about the Moon than any previous mission. The Lyman-Alpha Mapping Project is an integral part of the LRO science investigation. LAMP uses a novel method to peer into the perpetual darkness of the Moon's so-called permanently shadowed regions. Tue, 22 Sep 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090917131548.htm http://www.sciencedaily.com/releases/2009/09/090915140921.htm A research project looking for ways to reduce bone loss in astronauts may yield methods of improving the bone health of cancer patients undergoing radiation treatment. The scientists are seeking to understand radiation-induced bone loss and to determine which treatments can be used to reduce that loss and lower the risk of fractures. The results could be beneficial to cancer patients, especially those who receive radiation therapy in the pelvic region. Thu, 17 Sep 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090915140921.htm http://www.sciencedaily.com/releases/2009/09/090916123643.htm Speeding along in orbit at more than seven kilometres per second, the International Space Station has its surfaces carefully shielded against potentially catastrophic collisions with micrometeoroids or man-made debris. Except that is for a trio of unprotected panels until recently attached to external payload platform of ESA’s Columbus module, specifically intended to sustain impacts from tiny specks of space dust. Thu, 17 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090916123643.htm http://www.sciencedaily.com/releases/2009/09/090914202157.htm A powerful lightning storm in Saturn’s atmosphere that began in mid-January 2009 has become the Solar System’s longest continuously observed thunderstorm. It broke the record duration of 7.5 months set by another thunderstorm observed on Saturn by NASA’s Cassini spacecraft between November 2007 and July 2008. Thu, 17 Sep 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090914202157.htm http://www.sciencedaily.com/releases/2009/09/090910235638.htm Sniffing out any potential contaminants on the International Space Station where it was stationed for the last six months, the NASA-built electronic nose, or ENose, is homeward bound. While on the space station, the ENose sampled the air with 32 sensors that can detect various odors and pinpoint which ones are dangerous to humans. Fri, 11 Sep 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090910235638.htm