On September 6, 2011, an Earth-directed M3.5-class solar flare was produced by the active region 1283.
Read more about NASA\’s Solar Dynamics Observatory…
Archive for the Videos category
The GRAIL spacecraft separated from the upper stage of the Delta II launch vehicle and will travel to the Moon on a three and a half month low-energy transfer trajectory. The spacecraft take the scenic route, travelling to the Moon via the L1 Lagrange point, and saving fuel (around 130 m/s less delta V required). GRAIL spacecraft will approach the Moon under the South Pole and enter the operational orbit, 50 km above the lunar surface.
Read more about GRAIL mission…
On September 10, 2011, a United Launch Alliance Delta II launch vehicle lifted off with NASA\’s GRAIL spacecraft from Cape Canaveral Air Force Station. The GRAIL twins will reach the Moon in about three and a half months. GRAIL will determine the structure of the lunar interior.
Read more about NASA\’s GRAIL mission…
This video of Tropical Storm Katia was captured by the external cameras aboard the International Space Station on August 31, 2011.
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Images captured by NOAA\’s GOES-13 satellite from August 21 through August 29 show the Hurricane Irene\’s track from the Caribbean to Canada. Irene made landfalls in North Carolina, New Jersey, and New York.
Read more about National Oceanic and Atmospheric Administration…
NASA\’s Solar Dynamics Observatory (SDO) recorded how a sunspot group changed over a period of a couple of days. The images were produced by the Helioseismic and Magnetic Imager (HMI) instrument.
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