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Sun-Synchronous Orbits are Obsolete![]() ![]() Bethesda MD (SPX) Mar 26, 2019 A sun-synchronous orbit (SSO) is one of the most frequently used orbits for Earth-science and national security missions. SSOs are near-polar orbits whose ascending nodes precess at a rate that is matched to the Earth's mean orbital rate around the sun, i. e., about one degree per day. This motion allows the maintenance of the orbit's geometry with respect to the sun such that solar lighting along the SSO satellite's ground track remains approximately the same over the mission's duration. Th ... read more |
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![]() San Jose CA (SPX) Mar 26, 2019 Vector, the space access company, has announced its GalacticSky division, which has been in stealth mode since 2016. Led by veterans from VMWare and Citrix, as well as satellite innovators, Galactic ... more ![]() ![]() Mountain View CA (SPX) Mar 26, 2019 The Mars Institute and the SETI Institute are announcing a new partnership between Google and the NASA Haughton-Mars Project (HMP) to advance Mars exploration at one of the most otherworldly places ... more ![]() ![]() Greenbelt MD (SPX) Mar 26, 2019 A new study reveals asteroid impacts on ancient Mars could have produced key ingredients for life if the Martian atmosphere was rich in hydrogen. An early hydrogen-rich atmosphere on Mars could also ... more ![]() ![]() Lund, Sweden (SPX) Mar 24, 2019 It is known that gas giants around other stars are often located very near their sun. According to accepted theory, these gas planets were formed far away and subsequently migrated to an orbit close ... more |
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Previous Issues | Mar 22 | Mar 21 | Mar 20 | Mar 19 | Mar 18 |
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![]() Paris (ESA) Mar 22, 2019 The platform destined to land on the Red Planet as part of the next ExoMars mission has arrived in Europe for final assembly and testing - and been given a name. An announcement was made by th ... more ![]() ![]() Madison WI (SPX) Mar 22, 2019 "It's something everyone's asked themselves at one point," says Lena Vincent. "How did life arise, and is it anywhere else?" Vincent asks herself these questions every day. It's her job as a graduat ... more ![]() ![]() Washington (AFP) March 20, 2019 Once a traditional satellite is launched into space, its physical hardware and computer software stay mostly immutable for the rest of its existence as it orbits the Earth, even as the technology it serves on the ground continues to change. ... more ![]() ![]() Washington DC (SPX) Mar 21, 2019 A NASA spacecraft that will return a sample of a near-Earth asteroid named Bennu to Earth in 2023 made the first-ever close-up observations of particle plumes erupting from an asteroid's surface. Be ... more ![]() ![]() Washington (UPI) Mar 21, 2019 Bees and fish can now converse with each other thanks to new robotics technology designed by researchers in Europe. ... more |
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![]() ![]() Ankle exoskeleton fits under clothes for potential broad adoption ![]() ![]() Washington DC (SPX) Mar 25, 2019 The inability of artificial intelligence (AI) to represent and model human partners is the single biggest challenge preventing effective human-machine teaming today. Current AI agents are able ... more ![]() |
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![]() Providence RI (SPX) Mar 25, 2019 Using a new type of dual polymer material capable of responding dynamically to its environment, Brown University researchers have developed a set of modular hydrogel components that could be useful ... more ![]() ![]() Lemont IL (SPX) Mar 21, 2019 We all mark days with clocks and calendars, but perhaps no timepiece is more immediate than a mirror. The changes we notice over the years vividly illustrate science's "arrow of time" - the likely p ... more ![]() ![]() Atlanta GA (SPX) Mar 21, 2019 An interface system that uses augmented reality technology could help individuals with profound motor impairments operate a humanoid robot to feed themselves and perform routine personal care tasks ... more ![]() ![]() New York NY (SPX) Mar 21, 2019 The concept of "gray goo," a robot comprised of billions of nanoparticles, has fascinated science fiction fans for decades. But most researchers have dismissed it as just a wild theory. Curren ... more ![]() ![]() Washington DC (SPX) Mar 11, 2019 Researchers have harnessed the latest nanofabrication techniques to create bug-shaped robots that are wirelessly powered, able to walk, able to survive harsh environments and tiny enough to be injec ... more |
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ExoMars landing platform arrives in Europe with a name Paris (ESA) Mar 22, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Returning Astronauts to the Moon: Lockheed Martin Finalizes Full-Scale Cislunar Habitat Prototype Cape Canaveral FL (SPX) Mar 15, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Jupiter's unknown journey revealed Lund, Sweden (SPX) Mar 24, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Astrobiology seminar aims to inspire a look into the bounds of life Madison WI (SPX) Mar 22, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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More efficient satellite launch platform on the horizon Sydney, Australia (SPX) Mar 26, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Super-powerful Long March 9 said to begin missions around 2030 Xichang (XNA) Mar 12, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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NASA instruments image fireball over Bering Sea Pasadena CA (JPL) Mar 24, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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U.S. Air Force tests microwave, laser weapon systems Washington (UPI) Jan 23, 2019 ![]() ![]() ![]() |
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Russia to respond to planned US tests of SM-3 Block II Interceptor Missile Washington DC (Sputnik) Mar 24, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Scientist sheds light on Titan's mysterious nitrogen atmosphere San Antonio TX (SPX) Jan 24, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Researchers report new light-activated micro pump Houston TX (SPX) Mar 15, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Taking gravity from strength to strength Paris (ESA) Mar 21, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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New report on industrial physics and its role in the US economy Washington DC (SPX) Mar 11, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Mathematics of sea slug movement points to future robots Washington DC (SPX) Mar 11, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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DARPA taps BAE for autonomous air mission planning software Washington (UPI) Mar 21, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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