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  Chicago IL (SPX) Feb 03, 2023 Electric space propulsion systems use energized atoms to generate thrust. The high-speed beams of ions bump against the graphite surfaces of the thruster, eroding them a little more with each hit, and are the systems' primary lifetime-limiting factor. When ion thrusters are ground tested in an enclosed chamber, the ricocheting particles of carbon from the graphite chamber walls can also redeposit back onto the thruster surfaces. This changes the measured performance characteristics of the thruster. ... read more |
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The bubbling universe: A previously unknown phase transition in the early universeOdense, Denmark (SPX) Feb 03, 2023 Think of bringing a pot of water to the boil: As the temperature reaches the boiling point, bubbles form in the water, burst and evaporate as the water boils. This continues until there is no more w ... more  
Setting sail for safer spaceParis (ESA) Feb 03, 2023 The camera view from a satellite after it unfurled a sail like a ship of old - although its purpose was not to start a journey but only hasten its fall back to Earth. The Drag Augmentation Deo ... more  
Astronauts use spacewalk to continue upgrade of ISS solar arraysWashington DC (UPI) Feb 2, 2023 Astronauts from NASA and Japan Aerospace Exploration Agency stepped out from the International Station to begin a spacewalk early Thursday to complete work started by another work team almost two weeks ago - part of a project to upgrade the station's power generation systems. ... more  
For the First Time Hubble Directly Measures Mass of a Lone White DwarfBaltimore MD (SPX) Feb 03, 2023 Astronomers using NASA's Hubble Space Telescope have for the first time directly measured the mass of a single, isolated white dwarf - the surviving core of a burned-out, Sun-like star. Resear ... more |
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| Previous Issues | Feb 02 | Feb 01 | Jan 31 | Jan 30 | Jan 29 |
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Too hot and too cold; now Moon it could be just right for humansWest Lafayette IN (SPX) Feb 03, 2023 With temperatures on the moon ranging from minus 410 to a scorching 250 degrees Fahrenheit, it's an understatement to say that humans will need habitats with heat and air conditioning to survive the ... more  
Spacemind launches three Italian Nanosatellites into orbitBologna, Italy (SPX) Feb 03, 2023 Spacemind, the space division of Italian company NPC, has achieved great success with a series of space launches. The three Italian nanosatellites, DanteSat, Futura-SM1, and Futura-SM3, have been su ... more 
Researchers devise a new path toward 'quantum light'Cambridge UK (SPX) Feb 03, 2023 Researchers have theorised a new mechanism to generate high-energy 'quantum light', which could be used to investigate new properties of matter at the atomic scale. The researchers, from the U ... more  
TAU establishes the first satellite observatory for quantum optical communicationTel-Aviv, Israel (SPX) Feb 03, 2023 The Center for Quantum Science and Technology at Tel Aviv University has built the first ground station in Israel - and among the most advanced in the world - for tracking, sensing, hyperspectral im ... more |
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LeoLabs expands weather radar coverage of Southern Hemisphere in the Indo-Pacific regionMenlo Park CA (SPX) Feb 01, 2023 LeoLabs, the leading commercial provider of Space Domain Awareness (SDA) services and low Earth orbit (LEO) mapping, announced the commissioning of the LeoLabs West Australian Space Radar (WASR). Th ... more 
Daily data delivery milestone achievedLuxembourg (SPX) Feb 03, 2023 Kleos Space has reached the milestone of daily product delivery collected from a strategically critical area of interest to its early adopter customers. RF data is collected by the Vigilance Mission ... more  
Matrix multiplications at the speed of lightWashington DC (SPX) Feb 03, 2023 "All things are numbers," avowed Pythagoras. Today, 25 centuries later, algebra and mathematics are everywhere in our lives, whether we see them or not. The Cambrian-like explosion of artificial int ... more  
Astronomers observe light bending around an isolated white dwarfCambridge UK (SPX) Feb 03, 2023 Astronomers have directly measured the mass of a dead star using an effect known as gravitational microlensing, first predicted by Einstein in his General Theory of Relativity, and first observed by ... more |
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UAE 'Sultan of Space' grapples with Ramadan fast on ISSDubai (AFP) Feb 2, 2023 The second Emirati to journey into space, martial arts enthusiast Sultan AlNeyadi, weighed up Thursday performing Ramadan in orbit - and promised to pack his jiu-jitsu suit for the ride. ... more 
NASA names first person of Hispanic heritage as chief astronautWashington DC (UPI) Feb 2, 2023 Veteran astronaut Joe Acaba made history on Thursday when he was named chief of the Astronaut Office at NASA's Johnson Space Center in Houston. ... more 
Ghostly neutrinos provide new path to study protonsRochester UK (SPX) Feb 03, 2023 Neutrinos are one of the most abundant particles in our universe, but they are notoriously difficult to detect and study: they don't have an electrical charge and have nearly no mass. They are often ... more 
Turning astronauts into Moon explorersParis (ESA) Feb 03, 2023 ESA's geology training course PANGAEA has come of age with the publication of a paper that describes the quest for designing the best possible geology training for the next astronauts to walk on the ... more  
Curious comet's rare close approachParis (ESA) Feb 02, 2023 Comet C/2022 E3 (ZTF) today makes its closest approach to Earth before likely leaving our Solar System forever. At billions of years old and not seen since Neanderthals roamed, the green comet conti ... more |
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 SpaceX successfully launches 53 Starlink satellites  |
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 Molly Porter fort MSFC 
Huntsville AL (SPX) Feb 01, 2023
NASA has selected 11 finalists in Phase 2 of the Deep Space Food Challenge, a public competition to extend the limits of humans in space - through food.
A first-of-its-kind coordinated effort between NASA and the Canadian Space Agency (CSA), the Deep Space Food Challenge aims to kickstart future food systems for pioneering missions to the Moon, Mars, and b ... more |
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 Paris (AFP) Jan 30, 2023 
America may now be aiming to put astronauts back on the Moon, but for years the United States turned its back on manned missions after the Columbia space shuttle disaster.
Its space programme suffered a catastrophic setback when all seven astronauts were killed when the shuttle broke up on re-entering the Earth's atmosphere 20 years ago on February 1, 2003.
It was the second shuttle disa ... more |
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 Pasadena CA (JPL) Jan 31, 2023 
Less than six weeks after it began, construction of the first sample depot on another world is complete. Confirmation that NASA's Perseverance Mars rover successfully dropped the 10th and final tube planned for the depot was received around 5 p.m. PST (8 p.m. EST) Sunday, Jan. 29, by mission controllers at the agency's Jet Propulsion Laboratory in Southern California.
This major milestone ... more |
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 Beijing (XNA) Jan 31, 2023 
China's Deep Space Exploration Lab (DSEL) said Monday that it is inviting top global talents to apply for the 2023 Overseas Outstanding Young Talents Program, to promote the development of deep-space exploration.
According to the DSEL, the program, funded by the National Natural Science Foundation of China, aims to attract outstanding young scholars from overseas, who have made achievement ... more |
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 Toulouse, France (SPX) Jan 31, 2023 
The second Airbus-built Inmarsat-6 geostationary telecommunications satellite (I-6 F2) has arrived on board an Airbus Beluga at the Kennedy Space Center in Florida ready for its launch in February.
The second satellite of the Inmarsat-6 generation is based on Airbus' ultra-reliable Eurostar E3000 spacecraft and will be the 58th Eurostar E3000 built by Airbus. It will be the ninth Eurostar ... more |
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 Washington DC (SPX) Feb 03, 2023 
"All things are numbers," avowed Pythagoras. Today, 25 centuries later, algebra and mathematics are everywhere in our lives, whether we see them or not. The Cambrian-like explosion of artificial intelligence (AI) brought numbers even closer to us all, since technological evolution allows for parallel processing of a vast amounts of operations.
Progressively, operations between scalars (num ... more |
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 Mountain View CA (SPX) Jan 31, 2023 
When pondering the probability of discovering technologically advanced extraterrestrial life, the question that often arises is, "if they're out there, why haven't we found them yet?" And often, the response is that we have only searched a tiny portion of the galaxy. Further, algorithms developed decades ago for the earliest digital computers can be outdated and inefficient when applied to moder ... more |
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 San Antonio TX (SPX) Jan 27, 2023 
The JunoCam imager aboard NASA's Juno spacecraft did not acquire all planned images during the orbiter's most recent flyby of Jupiter on Jan. 22. Data received from the spacecraft indicates that the camera experienced an issue similar to one that occurred on its previous close pass of the gas giant last month, when the team saw an anomalous temperature rise after the camera was powered on in pre ... more |
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 Los Angeles (AFP) Feb 1, 2023 
California has submitted a rival plan for use of the Colorado River, after six other states accused it of refusing to cooperate in the battle over usage of a dwindling major US watercourse.
Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming were given until January 31 to come up with a plan to slash the amount of water they take from the river - or face a solution imposed b ... more |
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 Paris (ESA) Jan 25, 2023 
Galileo's capabilities have grown with the addition of a new High Accuracy Service, freely available worldwide to anyone with a suitably equipped receiver. Delivering horizontal accuracy down to 20 cm and vertical accuracy of 40 cm, the High Accuracy Service is enabled through an additional level of real-time positioning corrections, delivered through a new data stream within the existing Galile ... more |
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 Paris (ESA) Feb 03, 2023 
ESA's geology training course PANGAEA has come of age with the publication of a paper that describes the quest for designing the best possible geology training for the next astronauts to walk on the surface of the Moon.
Since 2016, PANGAEA has equipped ten astronauts from three space agencies with the foundational knowledge and skills in field geology required for lunar exploration.
... more |
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 Paris (ESA) Feb 02, 2023 
Comet C/2022 E3 (ZTF) today makes its closest approach to Earth before likely leaving our Solar System forever. At billions of years old and not seen since Neanderthals roamed, the green comet continues to intrigue as it grows an apparent third tail and unexpectedly - but intriguingly - failed to wow scientists when observed in x-ray light.
Grab a pair of (good) binoculars and under dark s ... more |
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 Menlo Park CA (SPX) Feb 01, 2023 
LeoLabs, the leading commercial provider of Space Domain Awareness (SDA) services and low Earth orbit (LEO) mapping, announced the commissioning of the LeoLabs West Australian Space Radar (WASR). This radar site, located in Western Australia, adds critical coverage of the Southern Hemisphere in the Indo-Pacific region.
WASR is the latest addition to LeoLabs network of phased array space ra ... more |
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 Los Angeles CA (SPX) Jan 25, 2023 
Solar flares and other types of space weather can wreak havoc with spaceflight and with telecommunications and other types of satellites orbiting the Earth. But, to date, scientists' ability to research ways to overcome that challenge has been severely limited. That's because experiments they conduct in laboratories here on Earth are affected by gravity in ways that are so different from conditi ... more |
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 Cambridge UK (SPX) Feb 03, 2023 
Researchers have theorised a new mechanism to generate high-energy 'quantum light', which could be used to investigate new properties of matter at the atomic scale.
The researchers, from the University of Cambridge, along with colleagues from the US, Israel and Austria, developed a theory describing a new state of light, which has controllable quantum properties over a broad range of frequ ... more |
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 Chicago IL (SPX) Feb 01, 2023 
Sometimes to know what the matter is, you have to find it first. When the universe began, matter was flung outward and gradually formed the planets, stars and galaxies that we know and love today. By carefully assembling a map of that matter today, scientists can try to understand the forces that shaped the evolution of the universe.
A group of scientists, including several with the Univer ... more |
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