The International Space Station. Credit: NASA

Monday, February 25, 2013

Hoe laat is het? ESA helpt de tijd nauwkeurig te bepalen

Hoe laat is het? ESA helpt de tijd nauwkeurig te bepalen

HOT FIRE TEST AT WALLOPS VIDEO



FROM: NASA, ORBITAL SCIENCES
Antares Hot Fire Test at Wallops

NASA commercial partner Orbital Sciences of Dulles, Va., successfully conducted an engine test of its Antares rocket Friday, Feb. 22, from Mid-Atlantic Regional Spaceport Pad-0A at NASA's Wallops Flight Facility, Va.

Sunday, February 24, 2013

ICESAT-2 MISSION LAUNCH SERVICER SELECTED

FROM: NASA
NASA Selects Launch Services for ICESat-2 Mission

CAPE CANAVERAL, Fla. -- NASA's Launch Services Program at the agency's Kennedy Space Center in Florida has selected United Launch Services, LLC of Englewood, Colo., to provide Delta II launch services for the Ice, Cloud and Land Elevation Satellite (ICESat)-2 mission, currently scheduled for July 2016.

A firm fixed-price launch service task order has been awarded under the indefinite-delivery, indefinite-quantity NASA Launch Services (NLS) II contract. NASA's total cost to launch ICESat-2 is $96.6 million, including payload processing, integrated services, telemetry, reimbursables and other launch support requirements.

The Delta II rocket will place the ICESat-2 spacecraft into a near-circular Earth polar orbit following liftoff from Space Launch Complex-2 at Vandenberg Air Force Base in California. ICESat-2 is a continuation of the global time series of precision ice topography measurements initiated by the first ICESat mission. ICESat-2 will measure changes in the elevation of the polar ice sheets to understand their contribution to current and future sea-level rise. It also will characterize polar-sea ice thicknesses and global vegetation heights to understand their connections to the Earth system.

Subcontractors performing work for United Launch Services include Pratt & Whitney Rocketdyne of Canoga Park, Calif., Alliant Techsystems, Inc of Magna, Utah and Aerojet of Sacramento, Calif. United Launch Services' United Launch Alliance provides the Delta II and launch services.

NASA's Launch Services Program at Kennedy Space Center is responsible for management of the ICESat-2 launch service acquisition and implementation.


Saturday, February 23, 2013

DRAGON READIES TO SOAR TO SPACE STATION


FROM: NASA
Dragon Prepares to Resupply Station

The Space Exploration Technologies, or SpaceX, Dragon spacecraft stands inside a processing hangar at Cape Canaveral Air Force Station in Florida. Teams had just installed the spacecraft's solar array fairings.

NASA and its international partners are targeting Friday, March 1, as the launch date for the next cargo resupply flight to the International Space Station by SpaceX. Launch is scheduled for 10:10 a.m. EST from Space Launch Complex 40 at Cape Canaveral Air Force Station in Florida.

SpaceX's Dragon capsule will be filled with about 1,200 pounds of supplies for the space station crew and experiments being conducted aboard the orbiting laboratory.

Image credit: NASA/Kim Shiflett


Saturday, February 16, 2013

MAGNETIC LOOPS ON THE SUN



FROM: NASA
Flux Ropes on the Sun

This is an image of magnetic loops on the sun, captured by NASA's Solar Dynamics Observatory (SDO). It has been processed to highlight the edges of each loop to make the structure more clear.

A series of loops such as this is known as a flux rope, and these lie at the heart of eruptions on the sun known as coronal mass ejections (CMEs.) This is the first time scientists were able to discern the timing of a flux rope's formation. (Blended 131 Angstrom and 171 Angstrom images of July 19, 2012 flare and CME.) Image Credit: NASA/Goddard Space Flight Center/SDO

Sunday, February 10, 2013

ScienceCast: Record-Setting Asteroid Flyby


NASA SAYS VIABILITY OF SATELLITE-SERVICING TECHNOLOGY PROVEN BY RRM

FROM: NASA
NASA'S Refueling Demonstration Proves Viability Of Satellite-Servicing Technologies

WASHINGTON -- NASA has demonstrated robotic fluid transfer in space, an objective that will help inform the development of robotic technology to refuel satellites. The first-of-its-kind demonstration was performed during the Robotic Refueling Mission (RRM) aboard the International Space Station.

"This achievement is a major step forward in servicing satellites," said Frank Cepollina, associate director of the Satellite Servicing Capabilities Office at NASA's Goddard Space Flight Center in Greenbelt, Md. "RRM gives NASA and the emerging commercial satellite servicing industry the confidence to robotically refuel, repair and maintain satellites in both near and distant orbits -- well beyond the reach of where humans can go today."

A joint effort with the Canadian Space Agency, RRM uses the International Space Station as test bed for the research and development of robotic satellite-servicing capabilities. During six days of activity last month, controllers on the ground at NASA's Johnson Space Center in Houston used the space station's remotely operated Dextre, a robotic space handyman, to cut wires, remove and stow caps and perform tasks necessary to refuel satellites not designed to be refueled.

The cutting-edge technologies that RRM is demonstrating could extend the lives of many of the hundreds of satellites currently in geosynchronous Earth orbit. These are satellites that deliver essential services such as weather reports, cell phone communications, television broadcasts, government communications and air traffic management.

RRM tasks scheduled to be performed later this year include thermal blanket cutting and fastener and electronic termination cap removals. NASA anticipates RRM technologies may help boost the commercial satellite-servicing industry in the future. Such servicing capabilities could greatly expand options for government and commercial fleet operators


THE ROBOTIC REFUELING MISSION




FROM: NASA
RRM: Mission to the Future Delivers

In a series of extraordinary tests, NASA demonstrated an evolution in technologies for servicing satellites in space. Called the Robotic Refueling Mission, they tried out technologies and techniques for repairing and refueling satellites.

Saturday, February 9, 2013

Sunday, February 3, 2013

ROBOTIC REFUELING MISSION DEMO

FROM: NASA



Robotic Refueling Mission Demo

Robots present certain advantages when working in the harsh environment of space. They're not susceptible to hunger, to sleepiness, or catastrophic injury for starters. They're also capable of highly precise, yet highly tedious tasks-- tasks that might otherwise consume huge resources and attention from already busy astronauts and ground controllers. In an important demonstration of new technical methodologies, NASA engineers will try to simulate the transfer of fuel from one vehicle to another, in space, with nothing but robots doing the physical work. Called the Robotic Refueling Mission, it's a major step on the road to developing a robust suite of essential robotic capabilities in space.

Credit-NASA's Goddard Space Flight Center

NASA VIDEO: STUDYING SMART FLUIDS IN SPACE

FROM: NASA

 ISS Update: Studying Smart Fluids in Space

Dr. Eric Furst from the University of Delaware joins NASA Public Affairs Officer Kelly Humphries in the Mission Control Center in Houston via telephone to discuss the InSpace-3 experiment taking place aboard the International Space Station

Saturday, February 2, 2013

THE DEAD STAR




FROM: NASA
Sizzling Remains of a Dead Star

This new view of the historical supernova remnant Cassiopeia A, located 11,000 light-years away, was taken by NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR. Blue indicates the highest energy X-ray light, where NuSTAR has made the first resolved image ever of this source. Red and green show the lower end of NuSTAR's energy range, which overlaps with NASA's high-resolution Chandra X-ray Observatory.

Light from the stellar explosion that created Cassiopeia A is thought to have reached Earth about 300 years ago, after traveling 11,000 years to get here. While the star is long dead, its remains are still bursting with action. The outer blue ring is where the shock wave from the supernova blast is slamming into surrounding material, whipping particles up to within a fraction of a percent of the speed of light. NuSTAR observations should help solve the riddle of how these particles are accelerated to such high energies

X-ray light with energies between 10 and 20 kiloelectron volts are blue; X-rays of 8 to 10 kiloelectron volts are green; and X-rays of 4.5 to 5.5 kiloelectron volts are red.

The starry background picture is from the Digitized Sky Survey.


Image credit: NASA/JPL-Caltech/DSS

 

TDRS-K LAUNCH CLOSE-UP

FROM: NASA



Close-up Views of TDRS-K Launch


See multiple views of the Atlas V launch of the TDRS-K spacecraft