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@nasa : Space Weather - A giant cloud of solar material called a coronal mass ejection escapes the sun in this Jan. 14 image from the ESA/NASA Solar and Heliospheric Observatory. Scientists use this kind of picture, called a coronagraph, in which the sun is obscured, to better see the sun's atmosphere, the corona. Credit: ESA/NASA/SOHO #nasa #sun #space #science #solar #esa #atmosphere
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Tracking and Data Relay Satellite Prepared For Launch - Inside the Astrotech payload processing facility in Titusville, Fla., NASA's Tracking and Data Relay Satellite, or TDRS-L, spacecraft has been encapsulated in its payload fairing. It is being lifted by crane for mounting on a transporter for its trip to Launch Complex 41 at Cape Canaveral Air Force Station. The TDRS-L satellite will be a part of the second of three next-generation spacecraft designed to ensure vital operational continuity for the NASA Space Network. TDRS-L is scheduled to launch from Cape Canaveral's Space Launch Complex 41 atop a United Launch Alliance Atlas V rocket at 9:05 p.m. EST on Jan. 23, 2014, the start of a 30-minute launch window. The current Tracking and Data Relay Satellite system consists of eight in-orbit satellites distributed to provide near continuous information relay contact with orbiting spacecraft ranging from the International Space Station and Hubble Space Telescope to the array of scientific observatories. Image Credit: NASA/Kim Shiflett #nasa #space #tdrs #launch #ula #iss #hst #hubble #satellite;
SLS Avionics System Sees the (First) Light - The modern avionics system that will guide the most powerful rocket ever built saw the light -- the "first light," that is. Hardware, software and operating systems for NASA's Space Launch System (SLS) recently were integrated and powered up for an inaugural run -- referred to as "first light." When completed, SLS will be capable of powering humans and potential science payloads to deep space. It has the greatest capacity of any launch system ever built, minimizing cost and risk of deep space journeys. The Integrated Avionics Test Facilities team provided and installed the structure and simulation capability to model the environments the vehicle will experience during launch. With the avionics hardware units arranged in flight configuration on the structure and with the flight software, the facility will replicate what will actually fly the rocket. From left, Wayne Arrington, Gerald Clayton and Ryan MacKrell, all of The Boeing Company, work on setting up the avionics system in flight configuration in the Systems Integration and Test Facility at NASA's Marshall Space Flight Center. Image Credit: Boeing #nasa #space #engineering #msfc #sls #rocket #launch #boeing #firstlight;
Frozen Lake Sharpe, South Dakota - The Missouri River rises in the Rocky Mountains of western Montana, and flows generally to the southeast for 3,767 kilometers (2,341 miles) to its confluence with the Mississippi River north of St. Louis, Missouri. It is the longest river in North America. The river does not follow a straight southeasterly course along this distance, but includes many meander bends such as the one in this astronaut photograph from the International Space Station. This particular bend is occupied by Lake Sharpe, an approximately 130 kilometer (80 mile) long reservoir formed behind the Big Bend Dam on the Missouri River near Lower Brule, South Dakota. The lake surface is frozen and covered with snow, presenting a uniform white appearance. As meander bends develop, they tend to assume a distinctive U shape. Over time, the river channel can continue to cut into the ends of the “U,” eventually bringing them so close together that the river then cuts across the gap to achieve a shorter flow path and cut off the meander bend. When this happens and the meander ceases to be part of the active river channel, it may become an oxbow lake. The distance across the narrow neck of land (image lower right) associated with this meander is approximately 1 kilometer (0.62 miles). However, the river flow is controlled by the Big Bend Dam downstream, so the natural process of meander cutoff has been significantly slowed. The image was taken by the space station’s Expedition 38 crew. It has been cropped and enhanced to improve contrast, and lens artifacts have been removed. Image Credit: NASA #nasa #iss #exp38 #science #earth #space #missouririver #southdakota #lake #dam;
Astronauts aboard the International Space Station Sunday used a robotic arm to capture and attach the Cygnus supply spacecraft, which carried dozens of new science experiments from across the country and the world to the orbiting laboratory. The arrival capped the first successful contracted cargo delivery by Orbital Sciences Corp. of Dulles, Va., for NASA. Astronaut Mike Hopkins of NASA grappled the spacecraft at 6:08 a.m. EST and Koichi Wakata of the Japan Aerospace Exploration Agency attached Cygnus to the space station's Harmony Node at 8:05 a.m.The Expedition 38 crew members aboard the station will begin unloading the 2,780 pounds (1,261 kilograms) of supplies aboard Cygnus following hatch opening which is currently on the crew’s timeline for Monday. The cargo is comprised of vital science experiments, crew provisions, spare parts and other hardware. This includes 23 student-designed science experiments. One newly arrived investigation will study the decreased effectiveness of antibiotics during spaceflight. Another will examine how different fuel samples burn in microgravity, which could inform future design for spacecraft materials. Orbital's Cygnus was launched on the company's Antares rocket Thursday from the Mid-Atlantic Regional Spaceport Pad 0A at NASA’s Wallops Flight Facility in Virginia. Cygnus will remain attached to Harmony until a planned unberthing in February sends the spacecraft toward a destructive re-entry in Earth's atmosphere. Image credit: NASA #cygnus #orb1 #antares #iss #spacestation #earthorbit #orbital #orbitalsciences #resupply;
Back in November, the team behind NASA's James Webb Space Telescope engineering test unit move a primary mirror segment in a protective case, returning it to the cleanroom at NASA Goddard after undergoing some tests at our new Calibration, Integration, and Alignment Facility. The James Webb Space Telescope will be a large infrared telescope with a 6.5-meter primary mirror. The project is working to a 2018 launch date. The Webb will be the premier observatory of the next decade, serving thousands of astronomers worldwide. It will study every phase in the history of our Universe, ranging from the first luminous glows after the Big Bang, to the formation of solar systems capable of supporting life on planets like Earth, to the evolution of our own Solar System. Credit: NASA/Chris Gunn #jwst #webbtelescope #webb #nasa #space #telescope #universe #engineering #hardware;

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