Archives

November 2017



The gas composition of a planet's atmosphere generally determines how much heat gets trapped in the atmosphere.


A new study led by a University of Bristol earth scientist has shown that recently reported unexpected behaviour on Titan, the largest moon of Saturn, is due to its unique atmospheric chemistry.


The Earth's Moon had a rough start in life. Formed from a chunk of the Earth that was lopped off during a planetary collision, it spent its early years covered by a roiling global ocean of molten magma before cooling and forming the serene surface we know today.


The equivalent of 85 billion tons of carbon dioxide -- a huge amount equal to three-quarters of the carbon stored in forests across the contiguous United States -- is locked in the living vegetation of one African country.


In October astronomers were surprised by a visitor that came racing into our solar system from interstellar space.


ESA's Integral space observatory has been orbiting Earth for 15 years, observing the ever-changing, powerful and violent cosmos in gamma rays, X-rays and visible light.


Dark features on Mars previously considered evidence for subsurface flowing of water are interpreted by new research as granular flows, where grains of sand and dust slip downhill to make dark streaks, rather than the ground being darkened by seeping water.


For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space.


The Orbital ATK Cygnus resupply ship with its cymbal-ike UltraFlex solar arrays approaches the International Space Station s robotic arm Canadarm2 as both spacecraft fly into an orbital sunrise.


About 100 kilometers (60 miles) north of Progresso, Mexico, five small islands stand amidst the largest coral structure in the southern Gulf of Mexico.


From rainforests to croplands, boreal forests to mangroves, NASA will take a new look at terrestrial vegetation across our living planet over the next two years with several unique instruments in space, including one from NASA's Jet Propulsion Laboratory.


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


Expedition 53 checked out a specialized microscope and worked on the International Space Station's toilet today. More supplies and hardware are also being offloaded from the newly-arrived Cygnus cargo craft.


From the Salar de Atacama salt flat in the east to the Cordillera Domeyko mountains in the west, Sentinel-2 takes us over part of the Atacama Desert in northern Chile.


There is a lot of talk these days about yet another pivot in America's civilian space policy. This time it is "back" to the Moon.


There are too many high-energy positrons in the cosmic rays reaching the Earth.


When our Sun erupts with giant explosions -- such as bursts of radiation called solar flares -- we know they can affect space throughout the solar system as well as near Earth.


Using more than half a century of observations, Japanese astronomers have discovered that the microwaves coming from the Sun at the minimums of the past five solar cycles have been the same each time, despite large differences in the maximums of the cycles.


The Expedition 53 astronauts are continuing to unload several thousand pounds of space cargo from the new Cygnus resupply ship that arrived Tuesday morning. Some of the new science cargo contains a bacteria that curiously loses its harmful properties in microgravity and CubeSats that will be deployed in Earth orbit.


Twice as big as Earth, the super-Earth 55 Cancri e was thought to have lava flows on its surface.


Scientists searching for gravitational waves have confirmed yet another detection from their fruitful observing run earlier this year.


The visit of the interstellar interloper 1I/2017 U1, recently spotted streaking through the solar system, gives the people of Earth their first chance to study up close an object from another planetary system.


The Orbital ATK Cygnus cargo ship was bolted into place on the International Space Station's Earth-facing port of the Unity module at 7:15 a.m. EST.


A new robotic camera with the ability to capture hundreds of thousands of stars and galaxies in a single shot has taken its first image of the sky -- an event astronomers refer to as "first light."


Astrophysicists from MSU (Russia) and his colleagues from Italy and Russian Academy of Sciences have found the first observational evidence for a contracting white dwarf.


See Jupiter's southern hemisphere in beautiful detail in this new image taken by NASA's Juno spacecraft.


Composite image of tropical storm Rina in the Atlantic, from 12:00 UTC on Tuesday, 7 November 2017.


The Cygnus resupply ship from Orbital ATK is less than 24 hours away from a rendezvous and capture at the International Space Station. Meanwhile, the Expedition 53 crew members are conducting human research and exploring growing crops in space.


Landing on Mars is difficult and not always successful. Well-designed advance testing helps.


Astronomers around the world will have immediate access to early data from specific science observations from NASA's James Webb Space Telescope, which will be completed within the first five months of Webb's science operations.


The sharp eye of the NASA/ESA Hubble Space Telescope captured the tiny moon Phobos during its orbital trek around Mars on 12 May 2016.


New observations with the Atacama Large Millimeter/submillimeter Array (ALMA) have uncovered the never-before-seen close encounter between two astoundingly bright and spectacularly massive galaxies in the early universe.


Today - Human Research Program (HRP) Collections (Biochemical Profile, Repository): A 51S crewmember completed Flight Day (FD) 120 blood and urine sample collections to support the Biochemical Profile and Repository experiments. The samples were placed in the Minus Eighty Degree Celsius Laboratory Freezer for ISS (MELFI).


One of the most spectacular achievements in physics so far this century has been the observation of gravitational waves, ripples in space-time that result from masses accelerating in space.


NASA's Orion spacecraft is scheduled to undergo a design test in April 2019 of the capsule's launch abort system (LAS).


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


The Expedition 53 crew is working out on a new exercise device today and testing new lights for their impact on health. Back on Earth, a new resupply rocket stands at its launch pad ready for a Saturday launch to the International Space Station.


The Copernicus Sentinel-2B satellite takes us to the Republic of Fiji in the South Pacific Ocean on 28 September 2017. Part of Fiji's largest island, Viti Levu, is pictured here, with coral reefs speckling the water.


A Full Moon is a sight to behold on or off planet. ESA astronaut Paolo Nespoli didn't miss the chance to photograph this one.


A new NASA study adds evidence that a geothermal heat source called a mantle plume lies deep below Antarctica's Marie Byrd Land, explaining some of the melting that creates lakes and rivers under the ice sheet.


Surface features on Ceres -- the largest world between Mars and Jupiter -- and its interior evolution have a closer relationship than one might think.


Behind every weather forecast--from your local, five-day prediction to a late-breaking hurricane track update--are the satellites that make them possible.


Light from a supernova explosion in the nearby starburst galaxy M82 is reverberating off a huge dust cloud in interstellar space.


Two astronauts are training for Monday's planned arrival of Orbital ATK's newest Cygnus cargo craft dubbed the S.S. Eugene Cernan. The crew is also analyzing the International Space Station's atmosphere and studying how crew performance adapts to microgravity.


Сергей Рязанский ‏@SergeyISS Mystic clouds and golden sunset from the ISS.


Supernovae, the explosions of stars, have been observed by the thousands. And in all cases, the transient astronomical events signaled the death of those stars.


The Expedition 53 crew explored ways to protect astronauts from space radiation as well as dust particles floating inside a spacecraft. The residents of the International Space Station also worked on cosmic ray gear, a U.S. spacesuit and audio equipment.


To support scientific visualization of multiple-mission data from Mars, the Virtual Astronaut (VA) creates an interactive virtual 3D environment built on the Unity3D Game Engine.


A Chalmers-led team of astronomers has for the first time observed details on the surface of an aging star with the same mass as the Sun.


Before humans will go to Mars, NASA has practice missions on Earth.


Orbital ATK's eighth commercial cargo mission is set to launch to the International Space Station at 7:36 a.m. EST Veteran's Day on Nov. 11. The Antares rocket carrying the Cygnus cargo craft will blast off from Wallops Flight Facility, Virginia, with over 7,000 pounds of food, supplies and research gear.


Daphnis, one of Saturn's small ring-embedded moons, is seen here kicking up waves as it orbits within a gap between rows of icy ring particles.


Jupiter's intense northern and southern lights, or auroras, behave independently of each other according to a new study using NASA's Chandra X-ray and ESA's XMM-Newton observatories.


Heat from friction could power hydrothermal activity on Saturn's moon Enceladus for billions of years if the moon has a highly porous core, according to a new modeling study by European and U.S. researchers working on NASA's Cassini mission.


Today: VEG-03 Science Harvest: The crew cut one to three leaves from each plant for consumption and then preserved them in foil and inserted them into cold stowage for science data.


It's been 55 years since NASA astronaut John Glenn successfully launched into space to complete three orbits aboard the Friendship 7 Mercury spacecraft, becoming the first American to orbit the Earth.


Comet 96P entered the bottom of STEREO's view and crossed it diagonally before leaving on Oct. 28.


The first 1.5 billion years of Earth's evolution is subject to considerable uncertainty due to the lack of any significant rock record prior to four billion years ago and a very limited record until about three billion years ago.


On Nov. 1, Rep. Jim Bridenstine, the president's nominee to be the next administrator of NASA, appeared before the Senate Committee on Commerce, Science, and Transportation.


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


An international team of astronomers led by NASA scientists successfully completed the first global exercise using a real asteroid to test global response capabilities.


The ALMA Observatory in Chile has detected dust around the closest star to the Solar System, Proxima Centauri.


When you're on top of the world--or orbiting it--there's no better place to be. NASA astronauts aboard the International Space Station (ISS) had a late night yesterday, staying up to watch a special uplink from Mission Control: Game 7 of the World Series.


From the fourth most populous city to the rugged Outback, the Sentinel-3A satellite gives us a wide-ranging view over Australia's southwestern corner.


Like rude relatives who jump in front your vacation snapshots of landscapes, some of our solar system's asteroids have photobombed deep images of the universe taken by NASA's Hubble Space Telescope.


Measurements from satellites this year showed the hole in Earth's ozone layer that forms over Antarctica each September was the smallest observed since 1988.


ata returned Tuesday, Oct. 31, indicate that NASA's Juno spacecraft successfully completed its eighth science flyby over Jupiter's mysterious cloud tops on Tuesday, Oct. 24.


Routine--and not-so-routine--housekeeping duties continue for Expedition 53 aboard the International Space Station in preparation for an upcoming Orbital ATK 8 (OA-8) commercial launch targeted for Nov. 11.


Beneath an elegant office building with a Spanish-style red tiled roof in Pasadena, California, three timeworn storerooms safeguard more than a century of astronomy.


Color-discerning capabilities that NASA's Curiosity rover has been using on Mars since 2012 are proving particularly helpful on a mountainside ridge the rover is now climbing.


New maps of Greenland's coastal seafloor and bedrock beneath its massive ice sheet show that two to four times as many coastal glaciers are at risk of accelerated melting as previously thought.


Today - Microbial Tracking-2: The crew collected body and saliva samples in support of the Microbial Tracking-2 investigation today. The Microbial Tracking series-2 continues the monitoring of the types of microbes that are present on the International Space Station (ISS).