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 Space News - Space, Astronomy, Space Explorationнет даты
The latest science news on astronomy, astrobiology, and space exploration from Phys.org.

 
 
1. Planetary scientists discover brief presence of water in Arabia Terra on MarsВт, 30 ноя[−]
Категория(?)  
As part of a team of collaborators from Northern Arizona University and Johns Hopkins University, Northern Arizona University (NAU) Ph.D. candidate Ari Koeppel recently discovered that water was once present in a region of Mars called Arabia Terra.

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2. Asteroid material deposited during large impacts record the moon's ancient magnetic fieldВт, 30 ноя[−]
Категория(?)  
The moon has no core dynamo magnetic field, but spacecraft detect numerous strong localized magnetic fields in the crust of the moon. Many of these magnetic anomalies are antipodal to large impact basins.

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3. Are water plumes spraying from Europa? NASA's Europa Clipper is on the caseВт, 30 ноя[−]
Категория(?)  
Finding plumes at Europa is an exciting prospect, but scientists warn it'll be tricky, even from up close.

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4. Image: ISS captured from the SpaceX Crew Dragon EndeavourВт, 30 ноя[−]
Категория(?)  
It can be hard to appreciate that a human-made, football-pitch-sized spacecraft is orbiting 400 km above our heads, but there it is.

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5. Microbes and viruses: A threat to Mars?Вт, 30 ноя[−]
Категория(?)  
The Atacama Desert stretches along Chile's Pacific coast over 100,000 square kilometers. It is one of the most arid places in the world. Annual precipitation averages 0.5 mm, which is less than for the Death Valley in California.

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6. Space junk forces spacewalk delay, too risky for astronautsВт, 30 ноя[−]
Категория(?)  
NASA called off a spacewalk Tuesday because of menacing space junk that could puncture an astronaut's suit or damage the International Space Station.

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7. Radio emission detected from the Vela X-1 bow shockВт, 30 ноя[−]
Категория(?)  
An international team of astronomers has conducted radio observations of a bow shock in the X-ray binary Vela X-1 using MeerKAT telescope. The observational campaign resulted in the detection of radio emission from this source. The finding is detailed in a paper published November 19 on arXiv.org.

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8. The Parker Solar Probe is getting pelted by hypervelocity dust. Could it damage the spacecraft?Вт, 30 ноя[−]
Категория(?)  
There's a pretty significant disadvantage to going really fast—if you get hit with anything, even if it is small, it can hurt. So when the fastest artificial object ever—the Parker Solar Probe—gets hit by grains of dust that are a fraction the size of a human hair, they still do damage. The question is how much damage, and could we potentially learn anything from how exactly that damage happens? According to new research from scientists at the University of Colorado at Boulder (UCB), the answer to the second question is yes, in fact, we can.

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9. Very Large Telescope uncovers closest pair of supermassive black holes yetВт, 30 ноя[−]
Категория(?)  
Using the European Southern Observatory's Very Large Telescope (ESO's VLT), astronomers have revealed the closest pair of supermassive black holes to Earth ever observed. The two objects also have a much smaller separation than any other previously spotted pair of supermassive black holes and will eventually merge into one giant black hole.

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10. Strong winds power electric fields in the upper atmosphere, NASA's ICON findsВт, 30 ноя[−]
Категория(?)  
What happens on Earth doesn't stay on Earth.

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11. Science at the cusp: NASA rocket to study mysterious area above the North PoleВт, 30 ноя[−]
Категория(?)  
Strange things happen in Earth's atmosphere at high latitudes. Around local noon, when the Sun is at its highest point, a funnel-shaped gap in our planet's magnetic field passes overhead. Earth's magnetic field shields us from the solar wind, the stream of charged particles spewing off the Sun. The gap in that field, called the polar cusp, allows the solar wind a direct line of access to Earth's atmosphere.

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12. Exploring together, NASA and industry embrace laser communicationsВт, 30 ноя[−]
Категория(?)  
Our televisions and computer screens display news, movies, and shows in high-definition, allowing viewers a clear and vibrant experience. Fiber optic connections send laser light densely packed with data through cables to bring these experiences to users.

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13. New study shows the largest comet ever observed was active at near-record distanceВт, 30 ноя[−]
Категория(?)  
A new study by University of Maryland astronomers shows that comet Bernardinelli-Bernstein (BB), the largest comet ever discovered, was active long before previously thought, meaning the ice within it is vaporizing and forming an envelope of dust and vapor known as a coma. Only one active comet has been observed farther from the sun, and it was much smaller than comet BB.

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14. Killer asteroids abound. NASA is ready to do something about itПн, 29 ноя[−]
Категория(?)  
The Russia incident was a warning.

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15. Solar Orbiter flies by Earth before beginning final journey to SunПн, 29 ноя[−]
Категория(?)  
The Solar Orbiter space probe had a brief encounter with its home planet on Saturday morning when it circled the Earth for the first and last time while executing a gravity assist to slow itself down before setting off for the Sun.

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16. Study suggests Sun is likely an unaccounted source of the Earth's waterПн, 29 ноя[−]
Категория(?)  
Curtin University researchers have helped unravel the enduring mystery of the origins of the Earth's water, finding the Sun to be a surprising likely source.

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17. Guiding Tianwen-1 to China's first successful Mars rover landingПн, 29 ноя[−]
Категория(?)  
Mars landing missions only succeed about half the time, a rate largely determined by the entry, descent and landing (EDL) phase, according to the researchers who designed Tianwen-1's control systems. They published their guidance, navigation and control approach for Tianwen-1 on October 16 in Space: Science & Technology.

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18. Galileo satellites given green light for launchПн, 29 ноя[−]
Категория(?)  
Europe's next pair of Galileo satellites have been given a green light for launch. Last Friday's Launch Readiness Review confirmed that the satellites, the supporting ground installations, and the early operations facilities and teams are ready for lift-off on the early hours of Thursday morning, European time.

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19. Sentinel-6 returning most precise data ever on sea levelПн, 29 ноя[−]
Категория(?)  
Sea-level rise is one of the most immediate consequences of climate change, as highlighted recently through urgent pleas from leaders of island nations at the COP26 summit. Global measures of sea-level rise are imperative to underpinning global policy and for strategies to protect coastlines and low-lying lands. Measuring tiny differences in the height of the sea surface from space is no easy task—but that's exactly what the Copernicus Sentinel-6 Michael Freilich satellite is doing. And, after a year of exhaustive testing, this new mission is now delivering the world's most accurate data on sea-level rise.

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20. Mars seismic deployment lays groundwork for future planetary missionsПн, 29 ноя[−]
Категория(?)  
About 1000 days after the Mars InSight mission deployed SEIS, the first seismometer on the red planet, researchers are analyzing new seismic data and reporting on instrument responses, using these data to plan for future planetary seismographs.

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21. Study inspects subdwarf B stars in the open cluster NGC 6791Пн, 29 ноя[−]
Категория(?)  
Using NASA's Kepler spacecraft and the MMT telescope in Arizona, an international team of astronomers has investigated a population of subdwarf B stars in an open cluster known as NGC 6791. Results of the study, published November 18 on arXiv.org, deliver essential information regarding the properties of these stars, which could be crucial in advancing our knowledge about this cluster.

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22. ESA's riskiest flybyПн, 29 ноя[−]
Категория(?)  
The chance that ESA's Solar Orbiter spacecraft will encounter space debris during its upcoming Earth flyby is very, very low. However, the risk is not zero and is greater than any other flyby ESA has performed. That there is this risk at all highlights the mess we've made of space—and why we need to take action to clean up after ourselves.

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23. Comet A1 Leonard brightens in DecemberПн, 29 ноя[−]
Категория(?)  
Now is the time to start tracking Comet C/2021 A1 Leonard, as it starts its dawn dive sunward.

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24. 'Gangotri wave' connecting two of Milky Way's spiral arms discoveredСб, 27 ноя[−]
Категория(?)  
A team of researchers from Germany, France and the U.K. has discovered a long thin filament of dense gas connecting two of the Milky Way galaxy's spiral arms. In their paper published in The Astrophysical Journal Letters, the group describes their work studying carbon monoxide gas in the galaxy.

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25. Parker Solar Probe completes a record-setting swing by the sunПт, 26 ноя[−]
Категория(?)  
Blazing along at space-record speeds that would get it from Earth to the Moon in under an hour, NASA's Parker Solar Probe completed its 10th close approach to the sun on Nov. 21, coming within 5.3 million miles (8.5 million kilometers) of the solar surface.

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26. Scientists fling model stars at a virtual black hole to see who survivesПт, 26 ноя[−]
Категория(?)  
Watch as eight stars skirt a black hole 1 million times the mass of the Sun in these supercomputer simulations. As they approach, all are stretched and deformed by the black hole's gravity. Some are completely pulled apart into a long stream of gas, a cataclysmic phenomenon called a tidal disruption event. Others are only partially disrupted, retaining some of their mass and returning to their normal shapes after their horrific encounters.

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27. Testing confirms Webb Telescope on track for targeted Dec. 22 launchПт, 26 ноя[−]
Категория(?)  
Engineering teams have completed additional testing confirming NASA's James Webb Space Telescope is ready for flight, and launch preparations are resuming toward Webb's target launch date of Wednesday, Dec. 22, at 7:20 a.m. EST.

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28. New Russian module docks with International Space StationПт, 26 ноя[−]
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A Russian cargo craft carrying a new docking module successfully hooked up with the International Space Station Friday after a two-day space journey.

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29. Inspecting an ultraluminous X-ray source in the galaxy NGC 55Пт, 26 ноя[−]
Категория(?)  
Using data from NASA's Swift and NuSTAR spacecraft, as well as from ESA's XMM-Newton satellite, Indian astronomers have investigated spectral and temporal properties of an ultraluminous X-ray source (ULX) in the spiral galaxy NGC 55. The study, published November 12 on arXiv.org, sheds more light on the nature of this source.

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30. Could we really deflect an asteroid heading for Earth? An expert explains NASA's latest DART missionПт, 26 ноя[−]
Категория(?)  
A NASA spacecraft the size of a golf cart has been directed to smash into an asteroid, with the intention of knocking it slightly off course. The test aims to demonstrate our technological readiness in case an actual asteroid threat is detected in the future.

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