Two kilogrammes of fat looks compared to two kilogrammes of muscle

The most detailed image of Mercury ever taken

The eggs of an octopus

The Bavarian town of Nördlingen, built inside the crater made by a meteorite which fell to Earth around 14 million years ago

The aurora borealis, or northern lights, seen from space

People ascending Everest, May 2013

Daytona Beach, Florida, 1957

Bagger 288, the largest excavator in the world

A watch belonging to Akito Kawagoe. It stopped at 8h15m the exact time when the atomic bomb was dropped on Hiroshima in 1945

A true colour image of Mars, taken by the Curiosity rover

A mountain of used tyres

A lava lake in the caldera of the Erta Ale volcano, Ethiopia.

A huge dust storm, Western Australia, 2013

A full circle rainbow, photographed from a plane

A cross section of an underwater communication cable

London Bridge