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Exoplanets where life could develop as on Earth![]() Cambridge UK (SPX) Aug 02, 2018 Scientists have identified a group of planets outside our solar system where the same chemical conditions that may have led to life on Earth exist. The researchers, from the University of Cambridge and the Medical Research Council Laboratory of Molecular Biology (MRC LMB), found that the chances for life to develop on the surface of a rocky planet like Earth are connected to the type and strength of light given off by its host star. Their study, published in the journal Science Advances, pro ... read more |
Exoplanet detectives create reference catalog of spectra and geometric albedosIthaca NY (SPX) Aug 02, 2018 Earthbound detectives rely on fingerprints to solve their cases; now astronomers can do the same, using "light-fingerprints" instead of skin grooves to uncover the mysteries of exoplanets. Cor ... more
Pair of colliding stars spill radioactive molecules into spaceCharlottesville VA (SPX) Aug 02, 2018 When two Sun-like stars collide, the result can be a spectacular explosion and the formation of an entirely new star. One such event was seen from Earth in 1670. It appeared to observers as a bright ... more
Black holes are fuzzy balls of string with an endless appetite for matterWashington (UPI) Jul 31, 2018 A trio of physicists at Ohio State University believe black holes are like "fuzzballs" with an insatiable appetite for matter. And according to their latest research, these fuzzballs are not surrounded by a "firewall." ... more
The cosmic ray gun duel of Eta CarinaeHiroshima, Japan (SPX) Aug 01, 2018 An international collaboration operating NASA's NuSTAR satellite has revealed that two of the biggest stars in the galaxy are capable of creating cosmic rays. Their results were published in Nature ... more |
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Blue crystals in meteorites show that our sun went through the 'terrible twos'Chicago IL (SPX) Jul 31, 2018 Our Sun's beginnings are a mystery. It burst into being 4.6 billion years ago, about 50 million years before the Earth formed. Since the Sun is older than the Earth, it's hard to find physical objec ... more
Stellar corpse reveals origin of radioactive moleculesGarching, Germany (SPX) Jul 31, 2018 Astronomers using ALMA and NOEMA have made the first definitive detection of a radioactive molecule in interstellar space. The radioactive part of the molecule is an isotope of aluminium. The observ ... more
What Looks Like Ceres on EarthPasadena CA (JPL) Jul 30, 2018 With its dark, heavily cratered surface interrupted by tantalizing bright spots, Ceres may not remind you of our home planet Earth at first glance. The dwarf planet, which orbits the Sun in the vast ... more
'Blood moon' dazzles skygazers in century's longest eclipseParis (AFP) July 28, 2018 The longest "blood moon" eclipse this century dazzled skygazers across the globe Friday, coinciding with Mars' closest approach in 15 years in a thrilling celestial spectacle. ... more
Tech titans jostle as Pentagon calls for cloud contract bidsWashington (AFP) July 26, 2018 US defense officials unveiled Thursday a much-anticipated final request for tech firms to bid on a massive contract to provide the Pentagon with a comprehensive cloud computing service. ... more |
![]() Red planet and 'blood moon' pair up to dazzle skygazers
At 60, NASA shoots for revival of moon glory daysTampa (AFP) July 27, 2018 Sixty years ago, spurred by competition with the Soviet Union, the United States created NASA, launching a journey that would take Americans to the moon within a decade. ... more |
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Demon in the details of quantum thermodynamicsSt. Louis MO (SPX) Jul 30, 2018 Thermodynamics is one of the most human of scientific enterprises, according to Kater Murch, associate professor of physics in Arts and Sciences at Washington University in St. Louis. "It has ... more
A domestic electron ion collider would unlock scientific mysteries of atomic nucleiWashington DC (SPX) Jul 30, 2018 The science questions that could be answered by an electron ion collider (EIC) - a very large-scale particle accelerator - are significant to advancing our understanding of the atomic nuclei that ma ... more
No sign of symmetronsVienna, Austria (SPX) Jul 30, 2018 One thing is certain: there's something out there we don't yet know. For years now scientists have been looking for "dark matter" or "dark energy" - with our current inventory of particles and force ... more
New algorithm could help find new physicsUrbana IL (SPX) Jul 30, 2018 Scientists at the University of Illinois at Urbana-Champaign have developed an algorithm that could provide meaningful answers to condensed matter physicists in their searches for novel and emergent ... more
High-Altitude Jovian CloudsWashington DC (SPX) Jul 30, 2018 his image captures a high-altitude cloud formation surrounded by swirling patterns in the atmosphere of Jupiter's North North Temperate Belt region. The North North Temperate Belt is one of Ju ... more |
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New Horizons team prepares for stellar occultation ahead of Ultima Thule flyby Washington DC (SPX) Aug 02, 2018
Successfully observing an object from more than four billion miles away is difficult, yet NASA's New Horizons mission team is banking that they can do that-again.
Preparations are on track for a final set of stellar occultation observations to gather as much information about the size, shape, environment, and other conditions around New Horizons' next flyby target, the ancient Kuiper Belt ... more |
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Exoplanets where life could develop as on Earth Cambridge UK (SPX) Aug 02, 2018
Scientists have identified a group of planets outside our solar system where the same chemical conditions that may have led to life on Earth exist.
The researchers, from the University of Cambridge and the Medical Research Council Laboratory of Molecular Biology (MRC LMB), found that the chances for life to develop on the surface of a rocky planet like Earth are connected to the type and s ... more |
Scientists looking for ways to grow crops on Red Planet Moscow (Sputnik) Jul 31, 2018
While humans prepare to land on Mars and eventually colonize it, the question about what people will eat on the Red Planet looms large.
Indeed, generating a stable supply of food poses a major challenge given the exorbitant cost of sending resources from Earth, the scientific journal Universe wrote.
This means that colonizers will need a high level of self-sufficiency and sustainable ... more |
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MIDAS cameras spot pair of lunar flashes caused by meteoroid impacts Washington (UPI) Jul 30, 2018
New images from the European Space Agency showcased a pair of recent lunar flashes.
Photographs of the flashes were captured using CCD cameras at a trio of observatories in Spain, which make up the MIDAS project. CCD stands for "charge coupled device."
Lunar flashes occur when space rocks collide with parts of the moon facing away from the sun. Because these parts of the moon are ... more |
Colliding stars spill radioactive molecules into space Charlottesville VA (SPX) Jul 31, 2018
When two Sun-like stars collide, the result can be a spectacular explosion and the formation of an entirely new star. One such event was seen from Earth in 1670. It appeared to observers as a bright, red "new star."
Though initially visible with the naked eye, this burst of cosmic light quickly faded and now requires powerful telescopes to see the remains of this merger: a dim central star ... more |
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Urban geophone array offers new look at northern Los Angeles basin Los Angeles CA (SPX) Aug 02, 2018
Using an array of coffee-can sized geophones deployed for about a month in backyards, golf courses and public parks, researchers collected enough data to allow them to map the depth and shape of the San Gabriel and San Bernardino sedimentary basins of Los Angeles, California.
Seismologists think these sedimentary basins may act a "waveguide" to focus and trap energy from an earthquake on t ... more |
What Looks Like Ceres on Earth Pasadena CA (JPL) Jul 30, 2018
With its dark, heavily cratered surface interrupted by tantalizing bright spots, Ceres may not remind you of our home planet Earth at first glance. The dwarf planet, which orbits the Sun in the vast asteroid belt between Mars and Jupiter, is also far smaller than Earth (in both mass and diameter). With its frigid temperature and lack of atmosphere, we're pretty sure Ceres can't support life as w ... more |
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NASA's Parker Solar Probe and the curious case of the hot corona Greenbelt MD (SPX) Jul 30, 2018
Something mysterious is going on at the Sun. In defiance of all logic, its atmosphere gets much, much hotter the farther it stretches from the Sun's blazing surface.
Temperatures in the corona - the tenuous, outermost layer of the solar atmosphere - spike upwards of 2 million degrees Fahrenheit, while just 1,000 miles below, the underlying surface simmers at a balmy 10,000 F. How the Sun m ... more |
China developing in-orbit satellite transport vehicle Beijing (XNA) Jul 23, 2018
China is developing a space vehicle to help transport orbiting satellites that have run out of fuel, Science and Technology Daily reported Thursday.
Fuel is a key factor limiting the life of satellites. Most satellites function for years after entering orbit, but eventually, they have to end their missions and burn up into the atmosphere due to fuel exhaustion.
The vehicle is being d ... more |
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Colliding stars spill radioactive molecules into space Charlottesville VA (SPX) Jul 31, 2018
When two Sun-like stars collide, the result can be a spectacular explosion and the formation of an entirely new star. One such event was seen from Earth in 1670. It appeared to observers as a bright, red "new star."
Though initially visible with the naked eye, this burst of cosmic light quickly faded and now requires powerful telescopes to see the remains of this merger: a dim central star ... more |
Homo sapiens developed a new ecological niche that separated it from other hominins Jena, Germany (SPX) Aug 01, 2018
Critical review of growing archaeological and palaeoenvironmental datasets relating to the Middle and Late Pleistocene (300-12 thousand years ago) hominin dispersals within and beyond Africa, published in Nature Human Behaviour, demonstrates unique environmental settings and adaptations for Homo sapiens relative to previous and coexisting hominins such as Homo neanderthalensis and Homo erectus. ... more |
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NASA, Commercial Partners Progress to Human Spaceflight Home Stretch Kennedy Space Center FL (SPX) Aug 01, 2018
NASA and commercial industry partners Boeing and SpaceX are making significant advances in preparing to launch astronauts from U.S. soil for the first time since the space shuttle's retirement in 2011. As part of the Commercial Crew Program's public-private partnership, both companies are fine-tuning their designs, integrating hardware, and testing their crew spacecraft and rockets to prepare fo ... more |
Carbon 'leak' may have warmed the planet for 11,000 years, encouraging human civilization Princeton NJ (SPX) Aug 02, 2018
The oceans are the planet's most important depository for atmospheric carbon dioxide on time scales of decades to millenia. But the process of locking away greenhouse gas is weakened by activity of the Southern Ocean, so an increase in its activity could explain the mysterious warmth of the past 11,000 years, an international team of researchers reports.
The warmth of that period was stabi ... more |
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Can seagrass help fight ocean acidification? Washington DC (SPX) Aug 01, 2018
Seagrass meadows could play a limited, localized role in alleviating ocean acidification in coastal ecosystems, according to new work led by Carnegie's David Koweek and including Carnegie's Ken Caldeira and published in Ecological Applications.
When coal, oil, or gas is burned, the resulting carbon dioxide is released into the atmosphere where it is the driving force behind global climate ... more |
GRAVITY Confirms Predictions of General Relativity Near Galactic Center Paris, France (SPX) Jul 27, 2018
Observations made with the Very Large Telescope (VLT) of the European Southern Observatory (ESO) have, for the first time, detected the effects of general relativity predicted by Einstein, in the movement of a star passing into the intense gravitational field of Sagittarius A*, a massive black hole at the centre of the Milky Way.
These results were obtained by the GRAVITY consortium, led b ... more |
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