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