Sand dunes in the south of the Arabian Peninsula in the Rub' al Khali desert.

Satellite: Sentinel-2A (© Contains modified Copernicus Sentinel data [2016], processed by ESA)

In the south of Greenland: fjords extend into the interior for kilometers.

Satellite: Landsat 8 (© USGS/ESA)

Siberian gecko: formed by the construction of a dam.

Satellite: Envisat (© ESA)

Namib Desert, Namibia: The Tsauchab Riverbed.

Satellite: Kompsat-2 (© KARI/ESA)

A rare cloudless view of Ireland, Great Britain and Northern France.

Satellit: Envisat (© ESA)

Hurricane Dean before hitting the Yucatan Peninsula of Mexico at a speed of 250 km/h.

Satellite: Envisat MERIS (Copyright ESA)

The heart of the Sahara desert in southeast Algeria.

Satellite: ALOS (Copyright JAXA/ESA)

False color composite of the Manicougan Crater in Quebec/Canada. The crater was formed by an impact of an asteroid 214 million years ago.

Satellite: Sentinel-1A (© Copernicus Sentinel data (2015/ESA)