The Tungurahua volcano, Ecuador, January 11, 2010. Photographed by Cecilia Puebla.

Colosseum made of illuminated ice at the International Ice and Snow Sculpture Festival, Harbin, northeastern China, January 3.

A selection of Martian landscapes.

Josef Hoflehner’s wide-angle photos of low-flying aircraft at Princess Juliana International Airport.

The Caribbean airport has some interesting signage too.

Just 8 km in diameter, Saturn’s moon Daphnis casts its shadow. The tiny moon’s gravity creates waves in Saturn’s A ring that extend above the plane to a height of 1.5 km. Image taken by Cassini in visible light on June 26, at a distance of approximately 823,000 km from Daphnis.

More, with animations. Related: Planetary Bling.