Where Did the Water on Earth Come From?
Does Earth have more water than any other planet? We must consider the components of water in order to determine its origin. You may already be aware that small...
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How Will You Describe the Quaternary Period?
Quaternary is the period of the Earth’s history that began about 2.6 million years ago and still continues. It is the second major division of the Cenozoic era,...
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What Does NASA Stands For?
NASA is an organization that develops and controls space research in the USA. It is an independent agency of the U.S. federal government responsible for the civilian...
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Are People Living on Mars?
Percival Lowell, an American astronomer, thought he saw canals criss-crossing the deserts of Mars, when he observed the planet though his telescope early this century....
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What Are the Factors Responsible for Ice Ages?
Ice Age is a time when much of the Earth is very cold, and sheets of ice cover large parts of the land. During the last Ice Age, ice covered much of Europe and North...
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