3D views of Earth's aurora and the ultraviolet Sun - now on your Android phone
Realtime 3D astronomy of Earth's aurora, UV solar flares and sunspots. Uses data from NASA STEREO, SDO and NOAA polar orbiter spacecraft. Phone vibrates when geomagnetic storm level rises or aurora may be overhead at...
fun for astronomy geeks — 3 modes to view the sun. Images downloaded directly from NASA.