Category Archives: Geography

What would Antarctica look like if all its ice melted

Have you ever wondered what would Antarctica look like if all its ice melted? This may seem extraordinary and unlikely, but, this has actually happened in the past. In fact, there have been no major ice sheets over the South Pole for most of the Earth’s history.

In the video below, NASA Goddard strip away Antarctic ice to reveal a new, and much more detailed map of the bedrock below. This map, called Bedmap2, was compiled by the British Antarctic Survey and incorporates millions of new measurements, including substantial data sets from NASA’s ICESat satellite and an airborne mission called Operation IceBridge.
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How Eratosthenes calculated the Earth’s circumference

In 240 BC, the Greek astronomer, geographer, mathematician, music theorist and librarian Eratosthenes of Cyrene (c. 276 BC – c. 195/194 BC) calculated the circumference of the Earth without leaving Egypt. Here’s how:
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Around the World in Eighty Days

When I was a child, one of my favorite books was (and still is) Jules Verne’s Around the World in Eighty Days. Published in 1873, the novel tells the story of Phileas Fogg, an English gentleman, and his newly employed French valet Passepartout. Fogg is a member of the Reform Club, a private members club on the south side of Pall Mall in central London. While the club members talking about the recent advances in technology, especially the new transportation methods including railway, Fogg sees an article in The Daily Telegraph stating that “with the opening of a new railway section in India, it is now possible to travel around the world in 80 days”. Other club members are skeptical about this claim. But Fogg insists it is doable.
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Top 10 driest places on Earth

Earth, the blue planet: the oceans combined with the atmosphere makes the planet look blue. So its color mainly comes from water. About 71% of the Earth’s surface is covered with water, in fact Earth is still the only planet we know where water can exist in liquid form on the surface. Water is also vital for all known forms of life. But there are numerous places on Earth that receive rainfall less than even 0.76 mm annually. One place even receive absolutely no rainfall. Here are the top ten driest places on Earth.
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Your Life On Earth (presented by BBC)

A nice interactive webpage by the BBC – The British Broadcasting Corporation: how you and the world have changed since you were born? You’re simply entering your birth date, gender and height; selecting units (metric or imperial/US) and then watching how our planet (and you) has changed in your lifetime.
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