Moon Phase and Libration, 2013 – Video




Moon Phase and Libration, 2013 Like: www.facebook.com The animation shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2013, at hourly intervals. Until the end of 2013, the initial Dial-A-Moon image will be the frame from this animation for the current hour. Continue reading

Daily Snow and Sea Ice Temperature over Asia – Video




Daily Snow and Sea Ice Temperature over Asia This animation shows the global advance and retreat of daily snow cover along with daily sea ice surface temperature over Asia from September 2002 through May 2003. The snow cover was measured by the MODIS instrument on the Terra satellite, while the sea ice surface temperature was measured by the MODIS instrument on the Aqua satellite Continue reading

Gamma Rays in Active Galactic Nuclei – Video




Gamma Rays in Active Galactic Nuclei This animation shows how gamma rays possibly form in Active Galactic Nuclei. Completed: 2008-04-04 Animator: Walt Feimer (HTSI) (Lead) Producer: Deanna Kekesi (NASA/GSFC) Scientists: Julie McEnery (NASA/GSFC), Steven Ritz (NASA/GSFC) Credit: NASA/Goddard Space Flight Center Conceptual Image LabFrom:Michele DiodatiViews:5 0ratingsTime:00:26More inScience Technology Continue reading

NASA | Warm Ocean Currents Cause Majority of Ice Loss from Antarctica – Video




25-04-2012 12:09 Warm ocean currents attacking the underside of ice shelves are the dominant cause of recent ice loss from Antarctica. This animation shows the circulation of ocean currents around the western Antarctic ice shelves. Continue reading