Un ejercicio fascinante, al menos para mí, es la contemplación de imágenes de la Tierra tomadas desde el espacio.La Agencia Espacial Europea, ESA (por las siglas del inglés European Space Agency), publica regularmente imágenes tomadas desde sus satélites, generalmente del "Envisat".
Son de muy buena calidad.
El enlace envía a la imagen en alta resolución, que se puede ampliar.
Reproduzco el artículo original, en inglés, para que podáis practicar un poco...
21 October 2011
This Envisat image is dominated by the island of Crete separating the Aegean and Libyan Seas in the eastern Mediterranean. The largest and most populous of the Greek islands, Crete is home to numerous beaches, fertile plateaus, caves and high mountains.
This Envisat image is dominated by the island of Crete separating the Aegean and Libyan Seas in the eastern Mediterranean. The largest and most populous of the Greek islands, Crete is home to numerous beaches, fertile plateaus, caves and high mountains.
Located at the centre of the island, Mount Psiloritis (also known as Mount Ida) towers over the others at 2454 m. According to Greek mythology, the god of sky and thunder – Zeus – was born in a cave here.
At the top of the image we can see the southern portion of the Cyclades island group, including the islands of Milos, Ios, Anafi and Santorini.
While most of these islands are peaks of a submerged mountainous terrain, Milos and Santorini (the two backward-C-shaped islands) are volcanic.
This image is a compilation of three passes by Envisat’s radar on 11 December 2010, 10 January and 11 March 2011. Each is assigned a colour (red, green and blue) and combined to produce this representation.
At the top of the image we can see the southern portion of the Cyclades island group, including the islands of Milos, Ios, Anafi and Santorini.
While most of these islands are peaks of a submerged mountainous terrain, Milos and Santorini (the two backward-C-shaped islands) are volcanic.
This image is a compilation of three passes by Envisat’s radar on 11 December 2010, 10 January and 11 March 2011. Each is assigned a colour (red, green and blue) and combined to produce this representation.
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