Browse Archive

  • Still from SDO/EVE calibration rocket launch.

    SDO/EVE Sounding Rocket Launches Successfully

    06.23.12 - Based on the quicklook realtime data, all of the rocket EVE instrument channels appear to have made excellent solar EUV irradiance measurements.

  • An instrument deck for NASA’s Magnetospheric Multiscale mission is readied for installation of instruments.

    Instrument Integration Begins on MMS Spacecraft

    06.08.12 - Engineers have started integrating instruments on the first of four instrument decks in a newly fabricated cleanroom at Goddard.

  • Artist rendition of RHESSI spacecraft in orbit.

    RHESSI Uses Venus Transit to Improve Measurements of the Sun's Diameter

    06.04.12 - During the Venus Transit on June 5-6, 2012, the RHESSI science team hopes to improve the accuracy of their measurements of the diameter of the sun, to provide the best measurement ever obtained.

  • TRACE image of Venus (black dot) during 2004 transit.

    SDO to Observe Venus Transit

    06.01.12 - NASA's Solar Dynamics Observatory (SDO) will be watching the June 5, 2012 Venus Transit to help calibrate its instruments as well as to learn more about Venus's atmosphere.

  • Several BARREL payloads are built all at the same time.

    Building 45 Payloads for Balloon Mission

    05.29.12 - Dartmouth scientists are building 45 payloads--each destined for a trip on a balloon around Antarctica as part of NASA'S BARREL mission.

  • NASA's twin Radiation Belt Storm Probe spacecraft, in protective shipping containers, are unloaded from a United States Air Force C-17 at Kennedy Space Center, Fla. on May 1, 2012.

    RBSP Arrives at Kennedy Space Center

    05.02.12 - NASA's twin Radiation Belt Storm Probes arrived May 1, 2012 at the KSC, where launch is scheduled for an August to begin their mission to study the extremes of space weather.

  • Engineers collaborate on the MMS Dual Ion Spectrometer.

    Goddard Collaborates on MMS Instrument

    04.30.12 - During the last week of March, 2012, researchers from Goddard, Marshall, SWRI and Japan came together to test a key instrument for the Magnetospheric Multiscale Mission.

  • An SDO image captured on June 7, 2011, during which an eruption of solar material mushroomed up and fell down to what appeared to be nearly half the sun's surface.

    SDO Highlights On Its Second Anniversary

    04.20.12 - Since SDO's first light in April, 2010, instruments on the spacecraft have continually observed the ever-changing sun on quiet days and explosive ones: observing over 1000 solar outbursts since its launch.

  • The sun, rotated 90 degrees counter-clockwise, as seen by SDO.

    SDO Goes For a Spin

    04.05.12 - Twice a year engineers perform a 360 degree roll of the SDO spacecraft about the spacecraft-sun line. This roll maneuver allows the team to remove the instrument optical distortions from the solar limb.

  • The 3 types of sounding rockets to be used for the ATREX mission.

    ATREX -Anomalous Transport Rocket Experiment

    The ATREX mission will launch 5 rockets in 5 minutes to gather information to better understand the process responsible for the Earth's high-altitude jet stream.

  • Artist's conception of one of the five THEMIS spacecraft in orbit around Earth.

    THEMIS: Watching Aurora and Space Weather

    02.17.12 - Since 2007, THEMIS has mapped how explosive auroras erupt and solar wind transfers energy to the magnetosphere.

  • An artist's representation of RHESSI spacecraft in orbit around Earth.

    RHESSI Celebrates 10 Years and 40,000 X-Ray Flares

    02.08.12 - Ten years since its launch, RHESSI has observed more than 40,000 X-ray flares, helped craft a model of how solar eruptions form, and fueled additional serendipitous science papers on such things as the shape of the sun.

  • Artist concept of NASA's Voyager spacecraft

    Voyager Instrument Cooling After Heater Turned off

    01.17.12 - The heater shut-off is a step in the careful management of diminishing electrical power.

  • Three coronagraph images of CMEs taken by SOHO with inner disk solar images taken at the same time by SDO.

    SOHO "Pick of the Week" Hits Impressive Milestone

    01.04.12 - In late November, the Solar and Heliospheric Observatory's (SOHO) online 'Pick of the Week' reached an impressive milestone: its 500th edition.

  • The RBSP team at JHU/APL, shown here in late November, performs final inspections and testing on spacecraft A's solar arrays and one of the mission's five scientific instruments before the satellites head into acoustic testing.

    RBSP Ready for Space Environment Tests

    12.14.11 - NASA's Radiation Belt Storm Probes (RBSP) will soon enter a challenging series of tests to certify they are ready for their August 2012 launch and two-year mission in Earth's orbit.