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TV provider shifting satellite to high orbit over explosion fears![]() Washington (AFP) Jan 24, 2020 US authorities said Friday they had granted permission to a TV provider to urgently lift a four-ton (3,600-kilogram) satellite to a so-called "graveyard orbit" over fears a battery fault may soon cause it to explode. DirecTV had told the Federal Communications Commission its Boeing-built Spaceway-1 satellite had suffered a "major anomaly" in its batteries and did not have time to deplete its remaining fuel before disposing of it by placing it 300 kilometers (190 miles) above the "geostationary arc." ... read more |
Which will survive? A microorganism zoo in the stratosphereCologne, Germany (SPX) Jan 26, 2020 In September 2019, astrobiologists from the German Aerospace Center (Deutsches Zentrum fur Luft- und Raumfahrt; DLR) sent an entire 'zoo' of microorganisms, such as bacteria and moulds, on a nine-ho ... more
How Earth climate models help scientists picture life on unimaginable worldsGreenbelt MD (SPX) Jan 26, 2020 In a generic brick building on the northwestern edge of NASA's Goddard Space Flight Center campus in Greenbelt, Maryland, thousands of computers packed in racks the size of vending machines hum in a ... more
For hottest planet, a major meltdown, study showsPasadena CA (JPL) Jan 26, 2020 Massive gas giants called "hot Jupiters" - planets that orbit too close to their stars to sustain life - are some of the strangest worlds found beyond our solar system. New observations show that th ... more
NESSI comes to life at Palomar ObservatoryPasadena CA (JPL) Jan 26, 2020 Before astronomers use a new tool or technology, they must test every aspect of it to make sure it is ready to turn starlight into tantalizing information about the cosmos. On Feb. 2, 2018, a ... more |
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Astronomers detect large amounts of oxygen in ancient star's atmosphereMaunakea HI (SPX) Jan 24, 2020 An international team of astronomers from the University of California San Diego, the Instituto de Astrofisica de Canarias (IAC), and the University of Cambridge have detected large amounts of oxyge ... more
Borexino experiment releases new data on geoneutrinosJuelich, Germany (SPX) Jan 23, 2020 Scientists involved in the Borexino collaboration have presented new results for the measurement of neutrinos originating from the interior of the Earth. The elusive "ghost particles" rarely interac ... more
OSIRIS-REx completes closest flyover of sample site NightingaleGreenbelt MD (SPX) Jan 23, 2020 Preliminary results indicate that NASA's OSIRIS-REx spacecraft successfully executed a 0.4-mile (620-m) flyover of site Nightingale yesterday as part of the mission's Reconnaissance B phase activiti ... more
Astronomers find a way to form 'fast and furious' planets around tiny starsPreston UK (SPX) Jan 23, 2020 New astronomy research from the University of Central Lancashire (UCLan) suggests giant planets could form around small stars much faster than previously thought. As published in Astronomy and ... more
New SwRI models reveal inner complexity of Saturn moonSan Antonio TX (SPX) Jan 23, 2020 A Southwest Research Institute team developed a new geochemical model that reveals that carbon dioxide (CO2) from within Enceladus, an ocean-harboring moon of Saturn, may be controlled by chemical r ... more |
![]() How the solar system got its 'Great Divide', and why it matters for life on Earth
Outbound comets are likely of alien originTokyo, Japan (SPX) Jan 20, 2020 Astronomers at the National Astronomical Observatory of Japan (NAOJ) have analyzed the paths of two objects heading out of the Solar System forever and determined that they also most likely originat ... more |
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The Salt of the CometBern, Switzerland (SPX) Jan 22, 2020 More than 30 years ago, the European comet mission Giotto flew past Halley's comet. The Bernese ion mass spectrometer IMS, led by Prof. em. Hans Balsiger, was onboard. A key finding from the measure ... more
XMM-Newton maps black hole surroundingsParis (ESA) Jan 22, 2020 Material falling into a black hole casts X-rays out into space - and now, for the first time, ESA's XMM-Newton X-ray observatory has used the reverberating echoes of this radiation to map the dynami ... more
Astrophysicist finds massive black holes wandering around dwarf galaxiesBozeman MT (SPX) Jan 22, 2020 A new search led by Montana State University has revealed more than a dozen massive black holes in dwarf galaxies that were previously considered too small to host them, and surprised scientists wit ... more
Warming up for the SunParis (ESA) Jan 22, 2020 Today, the Solar Orbiter control team is simulating launch for the penultimate time, before the Sun-seeking spacecraft lifts-off for real. After months of nerve-wracking simulation training, w ... more
DirecTV races to de-orbit satellite it fears could explodeWashington DC (UPI) Jan 26, 2020 A DirecTV satellite is at risk of exploding and the company is racing to move it out of orbit, according to public filings. In a filing submitted to U.S. regulators this week and originally re ... more |
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Looking back at a New Horizons New Year's to remember Laurel MD (SPX) Jan 06, 2020
Safe to say, 2020 came in more quietly for many members of the New Horizons mission team than did 2019.
A year ago, NASA's New Horizons spacecraft flew past the Kuiper Belt object 2014 MU69 (now known as Arrokoth) in the early hours of New Year's Day, ushering in an era of exploration of the enigmatic Kuiper Belt, a region of primordial objects that holds keys to understanding the origins ... more |
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Astronomers find a way to form 'fast and furious' planets around tiny stars Preston UK (SPX) Jan 23, 2020
New astronomy research from the University of Central Lancashire (UCLan) suggests giant planets could form around small stars much faster than previously thought.
As published in Astronomy and Astrophysics Journal, Dr Anthony Mercer and Dr Dimitris Stamatellos' new planet formation research challenges our understanding of planet formation.
Red dwarfs, the most common type of stars in ... more |
Nine finalists chosen in Mars 2020 rover naming contest Pasadena CA (JPL) Jan 22, 2020
Members of the public have an opportunity to vote for their favorite name for NASA's next Mars rover. The nine candidate names were made possible by the "Name the Rover" essay contest, which invited students in kindergarten through 12th grade from across the United States to come up with a fitting name for NASA's Mars 2020 rover (https://mars.nasa.gov/mars2020) and write a short essay about it. ... more |
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First commercial Moon delivery assignments to will advance Artemis Houston TX (SPX) Jan 26, 2020
NASA has finalized the first 16 science experiments and technology demonstrations, ranging from chemistry to communications, to be delivered to the surface of the Moon under the Artemis program. Scheduled to fly next year, the payloads will launch aboard the first two lander deliveries of the agency's Commercial Lunar Payload Services (CLPS) initiative. These deliveries will help pave the way fo ... more |
Astronomers detect large amounts of oxygen in ancient star's atmosphere Maunakea HI (SPX) Jan 24, 2020
An international team of astronomers from the University of California San Diego, the Instituto de Astrofisica de Canarias (IAC), and the University of Cambridge have detected large amounts of oxygen in the atmosphere of one of the oldest and most elementally depleted stars known - a "primitive star" scientists call J0815+4729.
This new finding, which was made using W. M. Keck Observatory ... more |
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Capella Space unveils new satellite design for EO platform San Francisco CA (SPX) Jan 22, 2020
Capella Space, an information services company providing Earth observation data on demand, has unveiled its evolved satellite design to enable on-demand observations of anywhere on Earth.
Informed by extensive customer feedback and findings from the launch of Denali, Capella's testbed satellite, the re-engineered design features a suite of technological innovations to deliver timely, flexi ... more |
OSIRIS-REx completes closest flyover of sample site Nightingale Greenbelt MD (SPX) Jan 23, 2020
Preliminary results indicate that NASA's OSIRIS-REx spacecraft successfully executed a 0.4-mile (620-m) flyover of site Nightingale yesterday as part of the mission's Reconnaissance B phase activities. Nightingale, OSIRIS-REx's primary sample collection site, is located within a crater high in asteroid Bennu's northern hemisphere.
To perform the pass, the spacecraft left its 0.75-mile (1.2 ... more |
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Flying solo Paris (ESA) Jan 26, 2020
Solar Orbiter will orbit our nearest star, the Sun, observing it up close. It will take the first-ever direct images of its poles, while also studying the inner heliosphere - the bubble-like region around the Sun created by the stream of energised, charged particles released in the solar wind.
At its closest, Solar Orbiter will come within about 42 million km of the Sun: closer than the sc ... more |
China's space station core module, manned spacecraft arrive at launch site Wenchang (XNA) Jan 22, 2020
A core module prototype of China's space station and a prototype of China's new-generation manned spacecraft arrived at the launch site in south China's Hainan Province after a week of ocean and rail transport, the China Manned Space Engineering Office (CMSEO) announced Monday.
The core module will take part in joint rehearsals with the Long March-5B carrier rocket at the Wenchang Space La ... more |
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Astronomers detect large amounts of oxygen in ancient star's atmosphere Maunakea HI (SPX) Jan 24, 2020
An international team of astronomers from the University of California San Diego, the Instituto de Astrofisica de Canarias (IAC), and the University of Cambridge have detected large amounts of oxygen in the atmosphere of one of the oldest and most elementally depleted stars known - a "primitive star" scientists call J0815+4729.
This new finding, which was made using W. M. Keck Observatory ... more |
Neanderthals had the teeth to eat hard plants Washington DC (UPI) Jan 17, 2020 Neanderthals were capable of chomping on hard plants, like nuts and seeds, according to a new study.
Several recent studies have highlighted the resourcefulness of Neanderthals, capable of diving for clams and starting their own fires. But to take advantage of nuts, tough plants and other hardy food resources, Neanderthals would have needed resilient teeth.
To see what our early ... more |
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Spacewalks, science and Beyond Paris (ESA) Jan 24, 2020
Spacewalk season continues on the International Space Station. ESA astronaut Luca Parmitano and NASA astronaut Andrew Morgan are getting ready to step outside the Quest airlock for their fourth and final time together on Saturday. But before they do, we look back at an action-packed fortnight of science and operations on the world's only orbital outpost.
Acoustic Diagnostics is an Italian ... more |
Pyrenees glaciers 'doomed', experts warn Toulouse, France (AFP) Jan 20, 2020
Glaciers nestled in the lofty crags of the Pyrenees mountains separating France and Spain could disappear within 30 years as temperatures rise, upending ecosystems while putting local economies at risk, scientists say.
"We can't set a precise date but the Pyrenees glaciers are doomed," Pierre Rene, a glaciologist with the region's Moraine glacier study association, told AFP.
He estimates ... more |
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US dumps huge amounts of sand on Miami Beach to tackle climate change erosion Miami Beach, United States (AFP) Jan 17, 2020
Dozens of trucks have started dumping hundreds of thousands of tons of sand on Miami Beach as part of US government measures to protect Florida's tourist destinations against the effects of climate change.
"We have erosion hotspots," said Stephen Leatherman, an expert on beaches and the environment at Florida International University.
"When the beach is critically narrow, there's not en ... more |
ASU and Virginia Tech researchers unlock mysteries of grasshopper response to gravity Tempe AZ (SPX) Jan 14, 2020
If you jump out of bed too quickly, you might feel a bit light-headed.
That's because when you're lying down, gravity causes your blood to pool in the lower parts of your body rather than in your brain. Fortunately, when you stand up, within a fraction of a second, your heart begins beating faster, moving the blood to your brain and allowing you to maintain your balance.
The opposite ... more |
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