NASA

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  • Video Gives Astronaut’s-Eye View Inside NASA’s Orion Spacecraft

    NASA Breaking News
    19 Dec 2014 | 8:00 am
    New video recorded during the return of NASA’s Orion through Earth’s atmosphere this month provides a taste of the intense conditions the spacecraft and the astronauts it carries will endure when they return from deep space destinations on the journey to Mars.
  • Weekly Recap From the Expedition Lead Scientist

    ISS Status Reports
    18 Dec 2014 | 8:00 am
    Expedition 41 is hard at work 200-plus miles above us! Catch this week's research highlights here.
  • NASA’s Kepler Reborn, Makes First Exoplanet Find of New Mission

    Kepler News and Features
    18 Dec 2014 | 8:00 am
    NASA's planet-hunting Kepler spacecraft makes a comeback with the discovery of the first exoplanet found using its new mission -- K2.
  • Black Hole Friday

    Chandra X-ray Observatory Images
    28 Nov 2014 | 8:00 am
  • NASA, SpaceX Update Launch of Resupply Mission to the Space Station

    Space Shuttle and International Space Station News
    11 Dec 2014 | 8:00 am
    The fifth SpaceX cargo mission to the International Space Station (ISS) under NASA's Commercial Resupply Services contract now is scheduled to launch no earlier than 1:20 p.m. EST Friday, Dec. 19, from Space Launch Complex 40 at Cape Canaveral Air Force Station in Florida. NASA Television coverage of the launch begins at 12:15 p.m.
 
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    Kepler News and Features

  • NASA’s Kepler Reborn, Makes First Exoplanet Find of New Mission

    18 Dec 2014 | 8:00 am
    NASA's planet-hunting Kepler spacecraft makes a comeback with the discovery of the first exoplanet found using its new mission -- K2.
  • Reborn Kepler Can Still Find Planets

    18 Dec 2014 | 8:00 am
    The artistic impression shows NASA's planet-hunting Kepler spacecraft operating in a new mission profile called K2. In May the spacecraft began its new mission observing in the ecliptic plane, the orbital path of Earth around the sun, depicted by the grey-blue line marked by opaque cross-like shapes. Each shape represents the field-of-view of an observing campaign. The K2 mission observes a specific portion of the distant sky for approximately 80 days, until it is necessary to rotate the spacecraft to prevent sunlight from entering the telescope. The spacecraft orbits the sun every 372 days…
  • Comet Siding Spring passes through K2's Field-of-View

    16 Dec 2014 | 8:00 am
    On Oct. 20, the Kepler spacecraft joined the fleet of NASA science assets that observed distant Oort Cloud native Comet Siding Spring as it passed through K2's Campaign 2 field-of-view on its long journey around the sun. The data collected by K2 will add to the study of the comet, giving scientists an invaluable opportunity to learn more about the materials, including water and carbon compounds, that existed during the formation of the solar system 4.6 billion years ago. Taken by the Kepler spacecraft operating as the K2 mission, the full-frame image (left) is of the K2 Campaign 2…
  • Mission Manager Update: K2 Campaign 3 underway

    16 Dec 2014 | 8:00 am
    Now in its seventh month of operation, K2 began its third campaign on Nov. 12. During Campaign 2, Oort Cloud native Comet Siding Spring passed through K2's field-of-view adding to the data collected by the fleet of NASA science assets.
  • NASA's Planet-hunting Kepler and K2 Missions Take Your Questions on Reddit

    27 Oct 2014 | 9:00 am
    Scientists and engineers from NASA's planet-hunting Kepler and K2 missions will answer questions about the missions on Reddit.com on Monday, Oct. 27 at 10 a.m. PDT.
 
 
 
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    Goddard News

  • NASA's SDO Captures Images of 2 Mid-Level Flares

    19 Dec 2014 | 8:00 am
    The sun emitted a mid-level flare on Dec. 18, 2014, at 4:58 p.m. EST, the sun's second in two days.
  • I, Tormentum

    19 Dec 2014 | 8:00 am
    To Megan Meehan robots are all about “coopertition:” a cooperative robotic competition bound by the honor system.
  • NASA Satellites Measure Increase of Sun’s Energy Absorbed in the Arctic

    17 Dec 2014 | 8:00 am
    The observed increase in solar radiation absorbed in the Arctic since 2000 aligns with the steady decrease in Arctic sea ice during the same period.
  • Holiday Lights:

    17 Dec 2014 | 8:00 am
    City lights shine brighter during the holidays in the United States when compared with the rest of the year, according to a new analysis of daily data from the NASA-NOAA Suomi NPP satellite by a NASA scientist and colleagues. The scientists found a similar pattern in the Middle East during the Holy Month of Ramadan. The research is based on a new way to analyze satellite of nighttime lights that will allow scientists to observe daily light fluctuation around the globe. › Related story Image credit: NASA
  • NASA's IMAGE and Cluster Missions Reveal Origin of Theta Auroras

    17 Dec 2014 | 8:00 am
    Thanks to the joint ESA and NASA's Cluster and NASA’s Imager for Magnetopause-to-Aurora Global Exploration, or IMAGE, missions working together, a particular type of very high-latitude aurora has now been explained.
 
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    Stennis News and Features

  • Ribbon Cutting at the E-2 Test Stand at SSC

    18 Dec 2014 | 8:00 am
    NASA and Space Exploration Technologies Corp. (SpaceX) cut the ribbon at the E-2 Test Stand at Stennis Space Center on April 21, 2014, to mark the beginning of a new testing partnership. SpaceX tests components of its methane-fueled Raptor rocket engine on the stand. Participants in the ribbon-cutting ceremony included Mississippi Gov. Phil Bryant, U.S. Sen. Thad Cochran of Mississippi, SpaceX President and Chief Operating Officer Gwynne Shotwell, U.S. Rep. Steven Palazzo of Mississippi and Stennis Director Rick Gilbrech.
  • A Year of 'Déjà Vu All Over Again' for Stennis Space Center

    18 Dec 2014 | 8:00 am
    As Yogi Berra famously quipped, 2014 was like "déjà vu all over again" for NASA's Stennis Space Center, the nation's largest rocket engine test complex.
  • NASA Partners with Leading Technology Innovators to Enable Future Exploration

    20 Oct 2014 | 9:00 am
    Recognizing that technology drives exploration, NASA has selected four teams of agency technologists for participation in the Early Career Initiative (ECI) pilot program.
  • NASA Chief Technologist Visits Stennis Space Center

    6 Oct 2014 | 9:00 am
    NASA Chief Technologist David Miller visited Stennis Space Center on Aug. 21 to participate in briefings, tour site facilities and honor several employees, including recognition of two NASA engineers awarded patents through the U.S. Patent and Trademark Office (USPTO) for technologies they developed at Stennis.
  • NASA Administrator Marks Completion of World’s Largest Spacecraft Welding Tool for Space Launch System

    5 Sep 2014 | 9:00 am
    NASA’s new Vertical Assembly Center (VAC), a 170-foot-high marvel of machinery that will be used to assemble elements of the agency's Space Launch System (SLS), now is complete and ready to weld parts for the rocket that will send humans to an asteroid and Mars.
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    New NASA STI

  • HRP's Healthcare Spin-Offs Through Computational Modeling and Simulation Practice Methodologies

    19 Dec 2014 | 8:50 am
    Abstract: Spaceflight missions expose astronauts to novel operational and environmental conditions that pose health risks that are currently not well understood, and perhaps unanticipated. Furthermore, given the limited number of humans that have flown in long duration missions and beyond low Earth-orbit, the amount of research and clinical data necessary to predict and mitigate these health and performance risks are limited. Consequently, NASA's Human Research Program (HRP) conducts research and devel...
  • Forecasting Sensorimotor Adaptability from Baseline Inter-Trial Correlations

    19 Dec 2014 | 8:40 am
    Abstract: One of the greatest challenges surrounding adaptation to the spaceflight environment is the large variability in symptoms, and corresponding functional impairments, from one crewmember to the next. This renders preflight training and countermeasure development difficult, as a "one-size-fits-all" approach is inappropriate. Therefore, it would be highly advantageous to know ahead of time which crewmembers might have more difficulty adjusting to the novel g-levels inherent to spaceflight. Such k...
  • Virtual Reality as a Medium for Sensorimotor Adaptation Training and Spaceflight Countermeasures

    19 Dec 2014 | 8:40 am
    Abstract: Astronauts experience a profound sensorimotor adaptation during transition to and from the microgravity environment of space. With the upcoming shift to extra-long duration missions (upwards of 1 year) aboard the International Space Station, the immediate risks to astronauts during these transitory periods become more important than ever to understand and prepare for. Recent advances in virtual reality technology enable everyday adoption of these tools for entertainment and use in training. E...
  • RBE of Energetic Iron Ions for the Induction of Early and Late Chromosome Aberrations in Different Cell Types

    19 Dec 2014 | 8:30 am
    Abstract: Numerous published studies have reported the RBE values for chromosome chromosomes induced by charged particles of different LET. The RBE for chromosome aberrations in human lymphocytes exposed ex vivo showed a similar relationship as the quality factor for cancer induction. Consequently, increased chromosome aberrations in the astronauts' white blood cells post long-duration missions are used to determine the biological doses from exposures to space radiation. The RBE value is known to be ve...
  • Karyotyping of Chromosomes in Human Bronchial Epithelial Cells Transformed by High Energy Fe Ions

    19 Dec 2014 | 8:30 am
    Abstract: Lung cancer induced from exposure to space radiation is believed to be one of the most significant health risks for long-term space travels. In a previous study, normal human bronchial epithelial cells (HBECs), immortalized through the expression of Cdk4 and hTERT, were exposed to gamma rays and high energy Fe ions for the selection of transformed clones induced by low- and high-LET radiation. In this research, we analyzed chromosome aberrations in these selected clones for genomic instabilit...
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    New NASA STI Report Series

  • Detection of the Impact of Ice Crystal Accretion in an Aircraft Engine Compression System During Dynamic Operation

    19 Dec 2014 | 7:30 am
    Abstract: The accretion of ice in the compression system of commercial gas turbine engines operating in high ice water content conditions is a safety issue being studied by the aviation community. While most of the research focuses on the underlying physics of ice accretion and the meteorological conditions in which accretion can occur, a systems-level perspective on the topic lends itself to potential near-term operational improvements. Here a detection algorithm is developed which has the capability ...
  • Numerical Analysis of a Rotating Detonation Engine in the Relative Reference Frame

    19 Dec 2014 | 7:10 am
    Abstract: A two-dimensional, computational fluid dynamic (CFD) simulation of a semi-idealized rotating detonation engine (RDE) is described. The simulation operates in the detonation frame of reference and utilizes a relatively coarse grid such that only the essential primary flow field structure is captured. This construction yields rapidly converging, steady solutions. Results from the simulation are compared to those from a more complex and refined code, and found to be in reasonable agreement. The ...
  • Modeling Analysis for NASA GRC Vacuum Facility 5 Upgrade

    19 Dec 2014 | 6:30 am
    Abstract: A model of the VF5 test facility at NASA Glenn Research Center was developed using the direct simulation Monte Carlo Hypersonic Aerothermodynamics Particle (HAP) code. The model results were compared to several cold flow and thruster hot fire cases. The main uncertainty in the model is the determination of the effective sticking coefficient -- which sets the pumping effectiveness of the cryopanels and oil diffusion pumps including baffle transmission. An effective sticking coefficient of 0.25...
  • Unmanned Aerial System (UAS) Traffic Management (UTM): Enabling Low-Altitude Airspace and UAS Operations

    12 Dec 2014 | 8:13 am
    Abstract: Many civilian applications of Unmanned Aerial Systems (UAS) have been imagined ranging from remote to congested urban areas, including goods delivery, infrastructure surveillance, agricultural support, and medical services delivery. Further, these UAS will have different equipage and capabilities based on considerations such as affordability, and mission needs applications. Such heterogeneous UAS mix, along with operations such as general aviation, helicopters, gliders must be safely accommod...
  • Piloted Simulation Evaluation of a Model-Predictive Automatic Recovery System to Prevent Vehicle Loss of Control on Approach

    12 Dec 2014 | 1:13 am
    Abstract: This paper describes a model-predictive automatic recovery system for aircraft on the verge of a loss-of-control situation. The system determines when it must intervene to prevent an imminent accident, resulting from a poor approach. It estimates the altitude loss that would result from a go-around maneuver at the current flight condition. If the loss is projected to violate a minimum altitude threshold, the maneuver is automatically triggered. The system deactivates to allow landing once sev...
 
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    NASA Edge

  • Testing NASA's Low-Density Supersonic Decelerator

    National Aeronautics and Space Administration (NASA)
    1 Dec 2014 | 8:00 am
    NASA EDGE visits NASA Jet Propulsion Laboratory to check in with the Low-Density Supersonic Decelerator Team. Find out how NASA's Space Technology Mission Directorate is helping to pave the way for entry descent and landing of humans on Mars.
  • NASA EDGE: Talking MMS - Part 2

    National Aeronautics and Space Administration (NASA)
    22 Oct 2014 | 9:00 am
    Chris continues his talk with more members of the Magnetospheric Multiscale Mission (MMS) team.  Enthusiasm is high ahead of their upcoming launch.
  • NASA EDGE: Talking MMS - Part 1

    National Aeronautics and Space Administration (NASA)
    9 Oct 2014 | 9:00 am
    Chris sits down with members of the Magnetospheric Multiscale Mission (MMS) team to talk about their work, experiences and expectations for this groundbreaking engineering achievement and scientific mission.
  • NASA EDGE: Mission X 2014

    National Aeronautics and Space Administration (NASA)
    5 Sep 2014 | 9:00 am
    NASA EDGE travels to Belgium for the Mission X 2014 International Closing Event.  Special guests include European Space Agency Astronaut Frank De Winne, Mission X Students and more!
  • NASA EDGE: The Future is Bright @NASA_KSC - an Interview with Bob Cabana

    National Aeronautics and Space Administration (NASA)
    8 Aug 2014 | 9:00 am
    NASA EDGE interviews NASA Kennedy Space Center Directer Bob Cabana during their coveage of SpaceX-3.  Find out about commercial space, future NASA launches and lounge singers!
 
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    NASACast: What's Up? Video Podcasts

  • What's Up for December 2014

    National Aeronautics and Space Administration (NASA)
    2 Dec 2014 | 8:00 am
    The December Geminids and Ursids offer up two more chances to see meteor showers this year. Plus, there are two comets to try for through telescopes.
  • What's Up for November 2014

    National Aeronautics and Space Administration (NASA)
    11 Nov 2014 | 8:00 am
    Twin meteor showers feature the slow Taurids and the swift Leonids while Rosetta's lander Philae is scheduled to land on Comet C-G and transmit data from the surface about the comet's composition.
  • What's Up for October 2014

    National Aeronautics and Space Administration (NASA)
    1 Oct 2014 | 9:00 am
    What's Up for October? A lunar eclipse, a solar eclipse and Mars has a close encounter with a comet.
  • What's Up for September 2014

    National Aeronautics and Space Administration (NASA)
    29 Aug 2014 | 9:00 am
    Red star(Antares) meets red planet(Mars) and view a zodiacal light that points towards Jupiter.
  • What's Up for August 2014

    National Aeronautics and Space Administration (NASA)
    1 Aug 2014 | 9:00 am
    Go outside to see Venus and Jupiter at dawn, Saturn and Mars at dusk. No telescope required! Plus the annual Perseid meteor shower is in full swing now through the 17th. The shower peaks the night of August 12-13, but the bright moon that night will likely interfere with viewing some of the fainter meteors. The Perseid shower occurs each year when Earth travels through a trail of dusty particles left behind by comet 109P/Swift-Tuttle.
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    NASACast Audio

  • This Year @ NASA, 2014

    National Aeronautics and Space Administration (NASA)
    19 Dec 2014 | 8:00 am
    Here’s a look at some of the top NASA stories of 2014 …
  • This Week @ NASA, December 12, 2014

    National Aeronautics and Space Administration (NASA)
    12 Dec 2014 | 8:00 am
    Orion is back, Curiosity’s Mount Sharp findings and more...
  • This Week @ NASA, December 5, 2014

    National Aeronautics and Space Administration (NASA)
    5 Dec 2014 | 8:00 am
    Orion’s first spaceflight, Journey to Mars briefing and more...
  • This Week @ NASA, November 28, 2014

    National Aeronautics and Space Administration (NASA)
    28 Nov 2014 | 8:00 am
    New crew launches to ISS, First 3-D printed object in space, Orion flight test update and more ...
  • This Week @ NASA, November 21, 2014

    National Aeronautics and Space Administration (NASA)
    21 Nov 2014 | 8:00 am
    NASA is with you when you fly, Next ISS crew trains, 3D printer installed in space and more...
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    NASACast: This Week @NASA Audio

  • This Year @ NASA, 2014

    National Aeronautics and Space Administration (NASA)
    19 Dec 2014 | 8:00 am
    Here’s a look at some of the top NASA stories of 2014 Neil Armstrong-Apollo 11: “That’s one small step for [a] man; one giant leap for mankind.” With 2014 marking the 45th anniversary of Neil Armstrong’s historic first step on the moon, NASA outlined plans for America's next giant leap in space exploration -- to send astronauts to Mars. To prepare for that leap, NASA stepped up development in 2014 of many game-changing technologies and capabilities.
  • This Week @ NASA, December 12, 2014

    National Aeronautics and Space Administration (NASA)
    12 Dec 2014 | 8:00 am
    “Here’s some of the stories trending This Week at NASA!” Orion is back! The hugely successful first flight test on Dec. 5 of NASA’s Orion spacecraft took it farther than any spacecraft designed for astronauts has been in more than 40 years – with people around the country keeping a close eye on its spaceflight.
  • This Week @ NASA, December 5, 2014

    National Aeronautics and Space Administration (NASA)
    5 Dec 2014 | 8:00 am
    “Here’s some of the stories trending This Week at NASA!” Orion’s first spaceflight Launch Commentator:“3-2-1 and liftoff at dawn, the dawn of Orion and a new era of American space exploration.” The successful first flight test of NASA’s Orion spacecraft on Dec. 5 not only was a historic moment for the agency – but also was a critical step on NASA’s Journey to Mars. “Passing 124 – mach 1.”
  • This Week @ NASA, November 28, 2014

    National Aeronautics and Space Administration (NASA)
    28 Nov 2014 | 8:00 am
    “Here’s some of the stories trending This Week at NASA!” New crew launches to ISS
  • This Week @ NASA, November 21, 2014

    National Aeronautics and Space Administration (NASA)
    21 Nov 2014 | 8:00 am
    “Here’s some of the stories trending This Week at NASA!” NASA is with you when you fly NASA invited social media members Nov. 18 and 19 to the agency’s Armstrong Flight Research Center for a two-day event highlighting the ways NASA is with you when you fly. The NASA social gave participants an exclusive look at the latest tools and technologies being developed to improve the efficiency, safety and adaptability of air transportation.
 
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    NASA Image of the Day

  • Hubble Sweeps a Messy Star Factory

    19 Dec 2014 | 8:00 am
    This sprinkle of cosmic glitter is a blue compact dwarf galaxy known as Markarian 209. Galaxies of this type are blue-hued, compact in size, gas-rich, and low in heavy elements. They are often used by astronomers to study star formation, as their conditions are similar to those thought to exist in the early Universe. Markarian 209 in particular has been studied extensively. It is filled with diffuse gas and peppered with star-forming regions towards its core. This image captures it undergoing a particularly dramatic burst of star formation, visible as the lighter blue cloudy region towards…
  • 75th Anniversary of NASA Ames

    18 Dec 2014 | 8:00 am
    December 20, 2014 marks NASA Ames Research Center's 75th Anniversary. The center was established in 1939 as the second laboratory of the National Advisory Committee for Aeronautics, and was named for the chair of the NACA, Joseph S. Ames. It was located at Moffett Field in Sunnyvale, California, now at the heart of Silicon Valley. The Laboratory was renamed the NASA Ames Research Center with the formation of NASA in 1958. This June 2, 1943 photograph shows the construction of the Ames full-scale 40- by 80-foot wind tunnel, with a side view of the entrance cone and a blimp in the background.
  • City Lights Shine Brighter During the Holidays

    17 Dec 2014 | 8:00 am
    City lights shine brighter during the holidays when compared with the rest of the year, as shown using a new analysis of daily data from the NASA-NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) satellite. Dark green pixels are areas where lights are 50 percent brighter, or more, during December. This new analysis of holiday lights uses an advanced algorithm, developed at NASA's Goddard Space Flight Center in Greenbelt, Maryland, that filters out moonlight, clouds and airborne particles in order to isolate city lights on a daily basis. The data from this algorithm provide…
  • Sunset Over the Gulf of Mexico

    16 Dec 2014 | 8:00 am
    From the International Space Station, Expedition 42 Flight Engineer Terry W. Virts took this photograph of the Gulf of Mexico and U.S. Gulf Coast at sunset and posted it to social media on Dec. 14, 2014. The space station and its crew orbit Earth from an altitude of 220 miles, traveling at a speed of approximately 17,500 miles per hour. Because the station completes each trip around the globe in about 92 minutes, the crew experiences 16 sunrises and sunsets each day. Image Credit: NASA/Terry Virts
  • Opportunity Pausing at a Bright Outcrop on Endeavour Rim, Sol 3854

    15 Dec 2014 | 8:00 am
    NASA's Mars Exploration Rover Opportunity is continuing its traverse southward on the western rim of Endeavour Crater during the fall of 2014, stopping to investigate targets of scientific interest along way.  This view is from Opportunity's front hazard avoidance camera on Nov. 26, 2014, during the 3,854th Martian day, or sol, of the rover's work on Mars. This camera is mounted low on the rover and has a wide-angle lens. The scene includes Opportunity's robotic arm, called the "instrument deployment device," at upper left. Portions of the pale bedrock exposed on the ground in front of the…
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    NASA Image of the Day

  • Hubble Sweeps a Messy Star Factory

    19 Dec 2014 | 8:00 am
    This sprinkle of cosmic glitter is a blue compact dwarf galaxy known as Markarian 209. Galaxies of this type are blue-hued, compact in size, gas-rich, and low in heavy elements. They are often used by astronomers to study star formation, as their conditions are similar to those thought to exist in the early Universe. Markarian 209 in particular has been studied extensively. It is filled with diffuse gas and peppered with star-forming regions towards its core. This image captures it undergoing a particularly dramatic burst of star formation, visible as the lighter blue cloudy region towards…
  • 75th Anniversary of NASA Ames

    18 Dec 2014 | 8:00 am
    December 20, 2014 marks NASA Ames Research Center's 75th Anniversary. The center was established in 1939 as the second laboratory of the National Advisory Committee for Aeronautics, and was named for the chair of the NACA, Joseph S. Ames. It was located at Moffett Field in Sunnyvale, California, now at the heart of Silicon Valley. The Laboratory was renamed the NASA Ames Research Center with the formation of NASA in 1958. This June 2, 1943 photograph shows the construction of the Ames full-scale 40- by 80-foot wind tunnel, with a side view of the entrance cone and a blimp in the background.
  • City Lights Shine Brighter During the Holidays

    17 Dec 2014 | 8:00 am
    City lights shine brighter during the holidays when compared with the rest of the year, as shown using a new analysis of daily data from the NASA-NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) satellite. Dark green pixels are areas where lights are 50 percent brighter, or more, during December. This new analysis of holiday lights uses an advanced algorithm, developed at NASA's Goddard Space Flight Center in Greenbelt, Maryland, that filters out moonlight, clouds and airborne particles in order to isolate city lights on a daily basis. The data from this algorithm provide…
  • Sunset Over the Gulf of Mexico

    16 Dec 2014 | 8:00 am
    From the International Space Station, Expedition 42 Flight Engineer Terry W. Virts took this photograph of the Gulf of Mexico and U.S. Gulf Coast at sunset and posted it to social media on Dec. 14, 2014. The space station and its crew orbit Earth from an altitude of 220 miles, traveling at a speed of approximately 17,500 miles per hour. Because the station completes each trip around the globe in about 92 minutes, the crew experiences 16 sunrises and sunsets each day. Image Credit: NASA/Terry Virts
  • Opportunity Pausing at a Bright Outcrop on Endeavour Rim, Sol 3854

    15 Dec 2014 | 8:00 am
    NASA's Mars Exploration Rover Opportunity is continuing its traverse southward on the western rim of Endeavour Crater during the fall of 2014, stopping to investigate targets of scientific interest along way.  This view is from Opportunity's front hazard avoidance camera on Nov. 26, 2014, during the 3,854th Martian day, or sol, of the rover's work on Mars. This camera is mounted low on the rover and has a wide-angle lens. The scene includes Opportunity's robotic arm, called the "instrument deployment device," at upper left. Portions of the pale bedrock exposed on the ground in front of the…
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