magic castle

Astronomy Picture of the Day: Hayabusa2 Approaches Asteroid Ryugu

It looks like a big space diamond -- but with craters.

Astronomy Picture of the Day: Kepler's House in Linz

Four hundred years ago today (May 15, 1618) Johannes Kepler discovered the simple mathematical rule governing the orbits of the solar system's planets, now recognized as Kepler's Third Law of planetary motion.

360AllSky Panorama

AllSky panorama of Alamut castle

Carline's pray

Wreckage Castle