NASA : Lake Powell and Grand Staircase-Escalante .- Lago Powell y La Gran Escalera - Escalante

https://www.nasa.gov/image-feature/lake-powell-and-grand-staircase-Escalante

This panorama, photographed by an astronaut aboard the International Space Station, shows nearly the full length of Lake Powell, the reservoir on the Colorado River in southern Utah and northern Arizona. Note that the ISS was north of the lake at the time, so in this view south is at the top left of the image.

 

At full capacity, the reservoir impounds 24,322,000 acre-feet of water, a vast amount that is used to generate and supply water to several western United States, while also aiding in flood control for the region. It is the second largest reservoir by maximum water capacity in the United States (behind Lake Mead).

Landscape elevation changes are hard to see from space, but astronauts learn to interpret high and low places by their color. Green forests indicate two high places in the image that are cooler and receive more rain than the dry, low country surrounding the lake. The isolated Navajo Mountain is a sacred mountain of the Native American Navajo tribe and rises to 3,154 meters (10,348 feet). The long, narrow Kaiparowits Plateau rises nearly 1200 meters (4,000 feet) from Lake Powell to an elevation of more than 2300 meters (7,550 feet). More than 80 kilometers (50 miles) long, the plateau gives a sense of horizontal scale.

The region draws nearly 2 million people every year, even though it is remote and has few roads. Most of the area in view is protected as part of the Glen Canyon National Recreation Area and the Grand Staircase-Escalante National Monument—the largest amount of protected land in a U.S. national monument.

Astronaut photograph ISS048-E-73279 was acquired on September 6, 2016, with a Nikon D4 digital camera using an 800 millimeter lens, and is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center. The image was taken by a member of the Expedition 48 crew. The image has been cropped and enhanced to improve contrast, and lens artifacts have been removed.

Annotated image: NASA's Earth Observatory

Image Credit: NASA
Caption: M. Justin Wilkinson, Texas State University, and Andi Hollier, Hx5, Jacobs Contract at NASA-JSC

Last Updated: Feb. 1, 2017

Editor: Sarah Loff

Tags:  Earth, Expedition 48, Image of the Day, International Space Station (ISS), Land,

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NASA : Water Swirls, Gulf of St. Lawrence .- Los remolinos de agua, en el Golfo de San Lorenzo

http://www.nasa.gov/image-feature/water-swirls-gulf-of-st-Lawrence

Orbiting above eastern North America, a crew member on the International Space Station photographed a dense pattern of eddies in the Gulf of St. Lawrence. Caught briefly in the Sun’s “glint point,” reflections off the water surface show an interlinked mass of swirls and eddies in the shallow water north of Prince Edward Island. The swirls are generated by the complicated flows in the Gulf.

 

The stronger flow at the time of this image was coming out of an underwater channel known as the Shediac Valley. This flow appears as a broad mushroom-head of concentric lines (lower middle).

Weaker flows appear as smaller, tighter swirls, all with a counterclockwise rotation, in the center and top right of the image. These eddies formed on the shallow part of the Gulf known as the Bradelle Bank; they are caught up in the slow drift of the main west-to-east Gaspé Current.

 

The swirls disappear across the top and lower right of the image because the brilliant center of the Sun’s reflection point washes out all detail. Astronauts are trained to focus on the half-glint zone—such as the image center—where water features appear with greater clarity.

 

Small lines of cloud (lower right and upper left) cast shadows on the water in the dawn light. Sunglint is a constant part of the view from the space station, so sunglint photography is part of an astronauts’ training.

 

Astronaut photograph ISS048-E-71829 was acquired on September 4, 2016, with a Nikon D4 digital camera using a 400 millimeter lens, and is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center. The image was taken by a member of the Expedition 48 crew. The image has been cropped and enhanced to improve contrast, and lens artifacts have been removed.

Annotated image: NASA's Earth Observatory

Image Credit: NASA
Caption: M. Justin Wilkinson, Texas State University, Jacobs Contract at NASA-JSC

Last Updated: Sept. 27, 2016

Editor: Sarah Loff

Tags:  Earth, Expedition 48, Image of the Day, International Space Station (ISS),

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NASA : Space Station View of Grand Canyon National Park .- Una vista desde la Estación Espacial Internacional del Parque Nacional del Gran Cañón...

http://www.nasa.gov/image-feature/space-station-view-of-grand-canyon-national-park

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To celebrate the centennial of the U.S National Park Service, Expedition 48 Commander Jeff Williams of NASA has taken hundreds of images of national parks from his vantage point in low Earth orbit, aboard the International Space Station. Here, a series of Williams' photographs are assembled into this composite image of the Grand Canyon. Sharing with his social media followers, Williams wrote, "The mighty @grandcanyonnps adorns the Arizona desert. #FindYourPark #NPS100."

 

Williams also posted a video panorama of the park created from images taken on the orbiting laboratory: "Grand indeed @grandcanyonnps. Even from space it took 13 pictures to capture all 277 miles."

Image Gallery: Space Station View of U.S. National Parks
Video: NASA Astronaut Jeff Williams Celebrates the U.S. National Park Service Centennial From Space

Image Credit: NASA

Last Updated: Aug. 25, 2016

Editor: Sarah Loff

Tags:  Earth, Expedition 48, Image of the Day, International Space Station (ISS), Land,

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NASA : New NASA Record Holder For Cumulative Days in Space .- Nuevo Titular de la NASA: Commander Jeff Williams; récord por acumulación de días en el espacio

http://www.nasa.gov/image-feature/new-nasa-record-holder-for-cumulative-days-in-space

On Aug. 24, 2016, Station Commander Jeff Williams passed astronaut Scott Kelly, also a former station commander, for most cumulative days living and working in space by a NASA astronaut (520 days and counting). Williams is scheduled to land on Sept. 6, for a record total of 534 days in space.

 

The Expedition 47/48 mission is Williams’ fourth spaceflight and third long-duration stay on the space station, a first for an American. Williams served as the flight engineer and lead spacewalker for space shuttle Atlantis’ STS-101 mission in 2000. He was a flight engineer for the space station’s Expedition 13 in 2006, when the station had only two modules and three crew members. In 2009 and 2010, he served as a flight engineer on Expedition 21 and commanded Expedition 22, when the Tranquility module and cupola were added to the station. During that mission, he also became the first astronaut to interact live with NASA’s social media fans and followers. His Aug. 19 spacewalk was the fourth in Williams’ career; Williams and fellow NASA astronaut Kate Rubins will embark on another spacewalk Sept. 1.

 

In this photograph taken on June 30, 2016, Williams monitors bowling ball-sized internal satellites known as SPHERES (Synchronized Position Hold, Engage, Reorient, Experimental Satellites) during a maintenance run in the International Space Station's Japanese Kibo Laboratory Module.

Image Credit: NASA

Last Updated: Aug. 24, 2016

Editor: Sarah Loff

Tags:  Expedition 48, Image of the Day, International Space Station (ISS),

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NASA : Spacewalkers Successfully Install New Docking Adapter for Commercial Crew Flights .- Los astronautas instalan con éxito un nuevo adaptador de acoplamiento para la tripulación de los vuelos comerciales

http://www.nasa.gov/image-feature/spacewalkers-successfully-install-new-docking-adapter-for-commercial-crew-flights

Expedition 48 Commander Jeff Williams (shown here) and Flight Engineer Kate Rubins of NASA successfully installed the first of two international docking adapters (IDAs) Friday Aug. 19, 2016, during a five hour and 58-minute spacewalk. The IDAs will be used for the future arrivals of Boeing and SpaceX commercial crew spacecraft in development under NASA’s Commercial Crew Program. Japanese astronaut Takuya Onishi assisted the duo from inside the station, while all three cleaned up the Quest airlock afterward where they stowed their spacesuits and tolos.

 

On Sept. 1, the two NASA astronauts will spacewalk outside the International Space Station for the second time in less than two weeks. Working on the port side of the orbiting complex’s backbone, or truss, Williams and Rubins will retract a thermal radiator that is part of the station’s cooling system. They’ll also tighten struts on a solar array joint, and install the first of several enhanced high-definition television cameras that will be used to monitor activities outside the station, including the comings and goings of visiting cargo and crew vehicles.

Image Credit: NASA

Last Updated: Aug. 23, 2016

Editor: Sarah Loff

Tags:  Commercial Crew, Expedition 48, Image of the Day, International Space Station (ISS), Spacewalks,

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NASA : Researching 3D Printing Technology on the Space Station.- Investigando Tecnología de impresión 3D en la Estación Espacial

http://www.nasa.gov/image-feature/researching-3d-printing-technology-on-the-space-station

Crew members on the International Space Station re-installed the first 3D printer in orbit, during the week of June 27, 2016, to continue research on the developing technology and how it can be used in space. NASA astronaut Jeff Williams installed the printer in the Microgravity Science Glovebox to begin another round of sample builds for NASA's 3D Printing in Zero-G Technology Demonstration. Williams took this photograph of the 3D printer on June 28, after installation.

 

The 3D printer, originally delivered to the station and tested in 2014, heats a relatively low-temperature plastic filament to build parts layer by layer using designs supplied to the machine.

The goal of having the printer on the orbiting laboratory is to demonstrate that additive manufacturing can be used to make a variety of parts and tools in space, reducing the need to send replacements from Earth. It is the first step toward establishing an on-demand machine shop in space -- a critical component to sustain deep-space crewed missions and in-space manufacturing. These new samples will be returned to Earth for comparison to similar objects manufactured by the printer before it was launched.

Image Credit: NASA

Last Updated: July 12, 2016

Editor: Sarah Loff

Tags:  3D Printing, Expedition 48, Image of the Day, International Space Station (ISS), Space Station Research and Technology, Technology,

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NASA : Expedition 48 Soyuz Rollout .- Desarrollo de la expedición 48 en el cohete Soyuz

http://www.nasa.gov/image-feature/expedition-48-soyuz-rollout

The Soyuz MS-01 spacecraft is raised vertical after it was rolled out by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Monday, July 4, 2016. NASA astronaut Kate Rubins, cosmonaut Anatoly Ivanishin of the Russian space agency Roscosmos, and astronaut Takuya Onishi of the Japan Aerospace Exploration Agency (JAXA) are set to launch from the Baikonur Cosmodrome on July 6 at 9:36 p.m. EDT (7:36 a.m. Baikonur time, July 7).

During their two-day transit from the launch pad to the station, the Expedition 48-49 crew will test a variety of upgraded systems on their Soyuz MS-01 spacecraft. All three will spend approximately four months on the orbital complex, returning to Earth in October.

Photo Credit: (NASA/Bill Ingalls)

Last Updated: July 6, 2016

Editor: Sarah Loff

Tags:  Expedition 48, Image of the Day, International Space Station (ISS),

 

July 6, 2016

The Soyuz MS-01 spacecraft launches from the Baikonur Cosmodrome with Expedition 48-49 crewmembers Kate Rubins of NASA, Anatoly Ivanishin of Roscosmos and Takuya Onishi of the Japan Aerospace Exploration Agency (JAXA) onboard, Thursday, July 7, 2016, Kazakh time (July 6 Eastern time), Baikonur, Kazakhstan. Rubins, Ivanishin, and Onishi will spend approximately four months on the orbital complex, returning to Earth in October.

Image Credit: NASA/Bill Ingalls

Last Updated: July 7, 2016

Editor: Steve Fox

Tags:  Expedition 48, Image of the Day, International Space Station (ISS),

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NASA : Aurora South of Australia .- Aurora al Sur de Australia

http://www.nasa.gov/image-feature/aurora-south-of-Australia

On June 24, 2016, Expedition 48 Commander Jeff Williams of NASA photographed the brilliant lights of an aurora from the International Space Station. Sharing the image on social media, Williams wrote, "We were treated to some spectacular aurora south of Australia today." 

The dancing lights of the aurora provide stunning views, but also capture the imagination of scientists who study incoming energy and particles from the sun. Aurora are one effect of such energetic particles, which can speed out from the sun both in a steady stream called the solar wind and due to giant eruptions known as coronal mass ejections or CMEs.

More: Aurora Image Gallery

Image Credit: NASA

Last Updated: June 30, 2016

Editor: Sarah Loff

Tags:  Expedition 48, Image of the Day, International Space Station (ISS),

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