Solstix brings live NASA satellite imagery and beautiful sun/moon tracking to your iPhone. See solar flares and coronal loops from NASA SDO in wavelengths invisible to the human eye. View Earth from deep space via DSCOVR EPIC. Explore moon surface detail from Lunar Reconnaissance Orbiter. Track the sun's path with altitude and azimuth. Full twilight timeline from astronomical dawn to civil dusk. Golden hour countdown. Moon phases with a 60-day scrubber and haptic feedback.