Browse Archive

  • Engineers at JHUAPL inspect Radiation Belt Storm Probe A in the clean room.

    RBSP - Mission Status

    08.15.11 - What were once bare black octagonal boxes are now recognizable as full-fledged spacecraft, each laden with propulsion systems, power and avionics systems. NASA has approved a new launch readiness date of August 15, 2012.

  • 131 angstrom X7 class flare on August 9, 2011.

    Sun Unleashes X6.9 Class Flare

    08.09.11 - On Aug. 9, 2011, the sun unleashed an X6.9 class flare. Though not Earth directed, we may experience radio and communications blackouts.

  • Following an M9.3 solar flare, sunspot 1261 release a Earth-directed coronal mass ejection.

    Sun Packs a Double Punch-UPDATED

    08.08.11 - The August 5, 2011 arrival of the combined August 3 CMEs caused many photographers in the northern U.S. and Europe to race outside with their cameras to record the colorful skies. They were not disappointed.

  • SDO 193 angstrom image of July 30, 2011 M9.3-class solar flare.

    Friday Night M9.3 Light

    08.01.11 - Active solar region 1261 let loose with a short-lived M9.3 flare on Friday Night. No Earth directed affects are expected.

  • Zoom of last Atlantis solar transit on July 21, 2011.

    Last Picture of Atlantis in Space

    07.21.11 - Astrophotographer Thierry Legault captured what might be the last picture of Atlantis in space--and it was a solar transit.

  • This Black Brant V rocket launched at 10 AM ET on July 10, 2011 for a five-minute journey to study currents in Earth's ionosphere.

    Launch Postponed - Next Attempt 2012

    07.15.11 - NASA is postponing the launch of two suborbital sounding rockets from the Wallops Flight Facility in Virginia on July 15 to no earlier than 2012.

  • The STS-135 crew photographed the aurora austrialis over the South pole.

    STS-135 Sees Aurora Australis

    07.18.11 - Astronauts from STS-135 and crew of the ISS witness a beautiful aurora over the southern hemisphere, a space-based treat for the final mission of NASA's 30-year shuttle program.

  • Screen capture from Solar and Heliospheric Observatory (SOHO) video of CME event.

    Solstice Flare and CME - UPDATE

    06.24.11 - NOAA forecasters declare a 30-35% chance of geomagnetic storms during the next 24 hours due to a fast-moving stream of solar wind, combined with the CME expected to arrive on June 24, 2011.

  • The FASTSAT goes through inspection prior to shipping to Alaska.

    FASTSAT Mission Update

    06.20.11 - PISA's magnetometer was called upon to support the main attitude determination and control system (ADCS) on FASTSAT following an anomaly on Feb 16, 2011.

  • Graphic representing Space Weather. An active sun with a coronal mass ejection appears in the upper right. The Earth is in the bottom right. Between them is a seascape with various technologies that are affected by space weather; satellites, airplane, power and pipe lines.

    NASA Invites News Media to Space Weather Enterprise Forum


  • SDO image of coronal mass ejection on 06.07.2011 taken in 304 Angstrom.

    Having a Solar Blast - UPDATE

    06.10.11 - Earth is still waiting for the arrival of the CME unleashed June 7, 2011 but the forecasts of the glancing blow have been substantially reduced. The Sun unleashed an M-2 solar flare, an S-1 radiation storm and a spectacular coronal mass ejection in the early hours of June 7, 2011.

  • Aurora over Alberta prairies, east of Edmonton, Canada.

    Memorial Weekend Light Show

    06.01.11 - A high speed solar wind caused geomagnetic storms over the Memorial weekend and another high speed stream may produce even more starting June 4, 2011.

  • Aurora Australis at the geographic South Pole (90 degrees S. latitude) on May 1, 2011.

    Geomagnetic Storm Light Show at Both Poles

    04.30.11 - High Speed Solar Wind causes aurora at both poles

  • Artist's concept shows NASA's two Voyager spacecraft exploring a turbulent region of space known as the heliosheath

    NASA Invites You to Journey To Interstellar Space

    04.26.11 - NASA will hold a special NASA Science Update at 10 a.m. PDT (1 p.m. EDT) on Thursday, April 28, to discuss the unprecedented journey of NASA's twin Voyager spacecraft to the edge of our solar system.

  • A sky watcher from Marquette, Michigan sent this picture, taken before sunrise on April 12th.

    Geomagnetic Storm Subsiding

    04.13.11 - The G1-class geomagnetic storm is subsiding.