Archives

November 2019



NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


The Copernicus Sentinel-2 mission takes us over Lake St. Clair, forming the border between Ontario, Canada to the east, and Michigan, US to the west.


Analysis of the impact craters on Ryugu using the spacecraft Hayabusa 2's remote sensing image data has illuminated the geological history of the Near-Earth asteroid.


For decades, scientists have speculated about the origin of the electromagnetic radiation emitted from celestial regions that host black holes and neutron stars--the most mysterious objects in the universe.


Right now, half of the crew members on board the International Space Station are American astronauts who are getting ready to celebrate Thanksgiving, and they have a message for us.


There's chaos in the night sky, about 60 to 600 miles above Earth's surface. Called the ionosphere, this layer of Earth's atmosphere is blasted by solar radiation that breaks down the bonds of ions. Free electrons and heavy ions are left behind, constantly colliding.


Two Expedition 61 astronauts are getting up to speed with the fine repair techniques they will use next week during the 11th spacewalk of 2019.


Dust storms are common on Mars. But every decade or so, something unpredictable happens: A series of runaway storms breaks out, covering the entire planet in a dusty haze


2l/Borisov, first spotted this summer, continues to draw nearer to Earth and will reach its closest approach -- about 190 million miles -- in early December.


In a paper on the preprint site ArXiv and soon to be published in the Astrophysical Journal, researchers present the first analysis of data from a new configuration of the MWA designed specifically to look for the signal of neutral hydrogen, the gas that dominated the universe during the cosmic dark age.


This image of the "Whale Galaxy" (NGC 4631), made with the National Science Foundation's Karl G. Jansky Very Large Array (VLA), reveals hair-like filaments of the galaxy's magnetic field protruding above and below the galaxy's disk.


Thanksgiving week starts with the Expedition 61 crew exploring the stresses microgravity imposes on organisms at the cellular level. The International Space Station is also ramping up for cargo traffic and another spacewalk in December.


As NASA presses forward with the agency's mission to the Moon, Mars and beyond, the development of top-tier technology is critical to success.


The shrinking of the clouds of the Great Red Spot on Jupiter has been well documented with photographic evidence from the last decade.


Theoreticians in two different fields defied the common knowledge that planets orbit stars like the Sun. They proposed the possibility of thousands of planets around a supermassive black hole.


According to a new study, emergency responders could cut costs and save time by using near-real-time satellite data along with other decision-making tools after a flooding disaster.


Could the same computer algorithms that teach autonomous cars to drive safely help identify nearby asteroids or discover life in the universe?


We report the discovery of WISE2150-7520AB (W2150AB): a widely separated (~ 341 AU) very low mass L1 + T8 co-moving system.


NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


The western area of Spain's Province of Seville and its capital with the same name (right) is pictured in this image from the Sentinel-2A satellite.


The Expedition 61 astronauts are in final preparations before Friday's spacewalk to continue repairing the International Space Station's cosmic particle detector.


The Sun's glint beaming off Brazil's largest lagoon, Lagos dos Patos, on the nation's southernmost tip is pictured from an altitude of 260 miles as the International Space Station orbited across the South American continent's Atlantic coast.


Just after its close flyby of Jupiter on Nov. 3, 2019, NASA's Juno spacecraft caught this striking view of Jupiter's southern hemisphere as the spacecraft sped away from the giant planet.


A radio telescope in the Western Australian outback has captured a spectacular new view of the centre of the galaxy in which we live, the Milky Way.


As NASA continues preparations for the summer 2020 Florida launch of its Mars 2020 rover, including the recent completion of testing the spacecraft in Mars-like conditions, public safety remains a top priority.


ESA astronaut Luca Parmitano is pictured attached to the Canadarm2 robotic arm during the first spacewalk to repair the Alpha Magnetic Spectrometer, the International Space Station's cosmic particle detector.


Earth's climate is changing, and the study of oceans is vital to understanding the effects of those changes on our future.


Gamma-ray bursts are the most powerful explosions in the universe. They emit most of their energy in gamma rays, light which is much more energetic than the visible light we can see with our eyes.


The South Pole-Aitken (SPA) is the largest and deepest basin on the Moon, theoretically opening a window into the lunar lower crust and likely into the upper mantle.


A NASA analysis of rainfall rates shows that the once mighty Fengshen is now a depression devoid of heavy rainfall.


NASA's planet-hunting TESS Mission keeps giving astronomers new realities to examine and explain.


The leftovers from a spectacular supernova that revolutionised our understanding of how stars end their lives have finally been spotted by astronomers at Cardiff University.


Baja California, with the Sun's glint beaming off the Gulf of California, is pictured as the International Space Station orbited 256 miles above the Pacific Ocean southwest of Tijuana, Mexico.


Baja California, with the Sun's glint beaming off the Gulf of California, is pictured as the International Space Station orbited 256 miles above the Pacific Ocean southwest of Tijuana, Mexico.


Mizuna mustard greens are growing aboard the International Space Station to demonstrate the feasibility of space agriculture to provide fresh food for crews on deep space missions.


LISA Pathfinder, a mission led by ESA (the European Space Agency) that included NASA contributions, successfully demonstrated technologies needed to build a future space-based gravitational wave observatory, a tool for detecting ripples in space-time produced by, among other things, merging black holes.


Astronomers have confirmed the first example of a galaxy cluster where large numbers of stars are being born at its core.


Physicists use two types of measurements to calculate the expansion rate of the universe, but their results do not coincide, which may make it necessary to touch up the cosmological model.


Question: Is long-duration exposure to weightlessness associated with impaired cerebral venous outflow and increased risk of jugular venous thrombosis?


Data from ESA's Cluster mission has provided a recording of the eerie 'song' that Earth sings when it is hit by a solar storm. The new findings were published today in the AGU journal Geophysical Research Letters.


The Copernicus Sentinel-2 mission takes us over the Lake Tai, the third largest freshwater lake in China.


NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


Expedition 61 Commander Luca Parmitano of ESA (European Space Agency) and NASA Flight Engineer Andrew Morgan will begin a spacewalk outside of the International Space Station at about 7 a.m. EST Friday, Nov. 15. NASA Television coverage of the spacewalk will begin at 5:30 a.m.


Even by the wild standards of the outer solar system, the strange orbits that carry Neptune's two innermost moons are unprecedented, according to newly published research.


A new solar power generator prototype developed by Ben-Gurion University of the Negev (BGU) and research teams in the United States, will be deployed on the first 2020 NASA flight launch to the International Space Station.


North Korea withdrew from the Treaty on the Non-Proliferation of Nuclear Weapons in 2003. It subsequently developed nuclear weapons, with five underground nuclear tests culminating in a suspected thermonuclear explosion (a hydrogen bomb) on 3 September 2017.


Two peacock-shaped gaseous clouds were revealed in the Large Magellanic Cloud (LMC) by observations with the Atacama Large Millimeter/submillimeter Array (ALMA).


The Expedition 61 crewmembers started taking turns "weighing in" Wednesday before a slew of space gardening and life science activities.


Is Earth the only habitable planet in the universe or are there more worlds somewhere out there that are capable of supporting life?


The state of New South Wales (NSW) in south eastern Australia is continuing to experience devastating bushfires due to the dry tinder-like atmosphere in the territory: high winds, dry lightning and continuing heat.


Fans of science fiction movies such as Avatar, Aliens, Passengers and 2001: A Space Odyssey all know the concept: space travel to far destinations require humans to hibernate.


The International Space Station's cosmic particle detector, in operation since 2011, will get its first repair job during a series of spacewalks set to start this Friday. The Expedition 61 crew is gearing up for the spacewalk while ensuring ongoing advanced space research.


The French Polynesian island of Bora Bora, surrounded by the Bora Main Motu Reef, is pictured as the International Space Station orbited 257 miles above the South Pacific Ocean.


The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11.


Astronomers have spotted an ultrafast star, traveling at a blistering 6 million km/h, that was ejected by the supermassive black hole at the heart at the Milky Way five million years ago.


This morning it was announce that the formal name of the distant object 2014 MU69 is "Arrokoth" which means 'sky' in Powhatan.


Today - BioFabrication Facility (BFF): The crew installed a test print cassette (without Cells) into the BFF. Ground teams will then initiate a test run with the cassette sample.


As we venture forward to the Moon and establish a sustained lunar presence, finding and understanding water on the lunar surface becomes increasingly important.


A NASA-funded study suggests winter carbon emissions in the Arctic may be adding more carbon into the atmosphere each year than is taken up by Arctic vegetation, marking a stark reversal for a region that has captured and stored carbon for tens of thousands of years.


All four RS-25 engines were structurally mated to the core stage for NASA's Space Launch System (SLS) rocket for Artemis I, the first mission of SLS and NASA's Orion spacecraft.


While the moon's surface is battered by millions of craters, it also has over 200 holes - steep-walled pits that in some cases might lead to caves that future astronauts could explore and use for shelter, according to new observations from NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft.


The shadow of NASA InSight's robotic arm moves over its heat probe, or "mole," on Nov. 3, 2019, the 333rd Martian day, or sol, of the mission.


An updated visual orbit of the directly-imaged exoplanet 51 Eridani b and prospects for a dynamical mass measurement with Gaia


The Expedition 61 crew is focusing on a complex series of spacewalks set to start soon to repair a cosmic particle detector. The orbital residents also conducted an emergency drill aboard the International Space Station today.


A critical milestone for commercial crew, resupply spacecraft delivers to the space station, and a new wide-eyed view of the southern sky ... a few of the stories to tell you about - This Week at NASA.


NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


The Copernicus Sentinel-2 mission takes us over Holbox Island, off the Quintana Roo coast of Mexico. The island is separated from mainland Mexico by a shallow lagoon. This false-colour image has been processed in a way that highlights vegetation in bright red.


The Expedition 61 crew serviced a variety of science and life support hardware today aboard the International Space Station. U.S. spacesuits are also being readied for a series upcoming cosmic repair spacewalks.


In this time-lapse video, taken on Oct. 9, 2019, at NASA's Jet Propulsion Laboratory in Pasadena, California, bunny-suited engineers move the Mars 2020 rover from a high bay in the Spacecraft Simulator Building into the facility's large vacuum chamber for testing in Mars-like environmental conditions.


Astonishingly, not one but two interstellar asteroids have been detected entering our solar system since 2017.


NASA's Neutron star Interior Composition Explorer (NICER) telescope on the International Space Station detected a sudden spike of X-rays at about 10:04 p.m. EDT on Aug. 20.


Scientists from Germany and the United States have unveiled the results of a newly-completed, state of the art simulation of the evolution of galaxies


Typhoon Halong has packed quite a punch and imagery from NASA's Terra satellite found that the storm resembled a boxing glove.


The Expedition 61 crew explored how microgravity is affecting a variety of biological processes in humans and microbes today. Two astronauts are also gearing up for tentatively planned spacewalks to repair a cosmic particle detector.


Human research on the International Space Station (ISS) crew has made significant advances in understanding of the effects of physiology on human health in space missions. However, ISS has not been as suitable for research on other hazards of human spaceflight such as isolation and communications delay.