What Are Mountains of the Moon?
What Are Mountains of the Moon? The Mountains of the Moon, or the Rwenzori mountain range, forms an eighty-mile long backbone on the frontier of Zaire and Uganda in...
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When Was the First Interstellar Radio Message Sent?
When Was the First Interstellar Radio Message Sent? The Arecibo Message, humankind’s first interstellar radio message, sent from the Arecibo Observatory in Puerto Rico...
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Why Are There Many Kinds of Soils?
Why Are There Many Kinds of Soils? Soil is one of the principal substrata of life on Earth, serving as a reservoir of water and nutrients, as a medium for the...
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When Did the Rift Valleys Form?
When Did the Rift Valleys Form? The great rift valleys of the earth took shape during the pleistocene age, about two million years ago. They were caused mainly by...
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Why Were the Temples of Abu Simbel Moved?
Why Were the Temples of Abu Simbel Moved? In 1959, an international donations campaign to save the monuments of Nubia began: the southernmost relics of this ancient...
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What Is an Anticyclone?
An anticyclone (that is, opposite to a cyclone) is a weather phenomenon. The name anticyclone was first introduced by Sir Francis Galton, the English meteorologist, in...
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Where Is the Sargasso Sea?
Where Is the Sargasso Sea? The Sargasso Sea is in the Atlantic Ocean south of the Bermudas and several hundred miles east of the American mainland. It is distinguished...
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Why Is There More Sea than Land on the Earth’s Surface?
Why Is There More Sea than Land on the Earth’s Surface? The answer to this question lies in the composition of the rocks which make up the outer portion of the earth’s...
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Why Does Venice Have so Many Canals?
Why Does Venice Have so Many Canals? Unlike most canals, those in Venice are not man-made. If anything, man has made the land around the canals. In the 7th Century this...
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How Is It Possible to Estimate the Relative Age of Fossils?
How Is It Possible to Estimate the Relative Age of Fossils? It is possible to estimate the relative age of fossils, that is whether they came before or after a...
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