"Winter"
29.12.15
Imagenes del Mundo - El Norte de México bajo nieve
Imagenes del Mundo - Incendios en el Norte de España
Vista general del incendio declarado en el municipio vizcaíno de Berango.
Astronomy picture of the day - 2015 December 29 - Dust of the Orion Nebula
Image Credit & Copyright: Raul Villaverde Fraile
Explanation: What surrounds a hotbed of star formation? In the case of the Orion Nebula -- dust. The entire Orion field, located about 1600 light years away, is inundated with intricate and picturesque filaments of dust. Opaque to visible light, dust is created in the outer atmosphere of massive cool stars and expelled by a strong outer wind of particles. The Trapezium and other forming star clusters are embedded in the nebula. The intricate filaments of dust surrounding M42 and M43 appear brown in the featured image, while central glowing gas is highlighted in red. Over the next few million years much of Orion's dust will be slowly destroyed by the very stars now being formed, or dispersed into the Galaxy.
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VIEILLES VILLES DU MONDE ENCORE HABITEES - Kirkouk - Irak (2200 avant JC)
Localisée à environ 240 km de Bagdad, Kirkouk se dresse sur le site de l’ancienne capitale assyrienne d’Arrapha. Son importance stratégique ...
