Posted by Orion on Nov 28.

-------------------------------------------------- ------Image of the surface of Mars taken by the Viking-1 orbiter in 1976. These are known as Cydonia. Although they look like human faces at first glance, these are bald hills. Image credit: NASA / Viking

113 million years ago I walked here armed and killing. This place I once walked was a shallow beach. My heavy footprints, weighing six tons and standing four meters high, were now hidden in the mud and mud of the...

Infrared radiation from a black body is analyzed and used to determine its temperature. The object is seen in the color of brass. Activity. First, the pressure is reduced by means of a vacuum pump. The temperature is then reduced...