Megalithic Portugal: Possible astronomical orientation of the Carregal do Sal dolmens

In this post we present selected parts of the very informative paper titled: “Landscape and Astronomy in Megalithic Portugal: the Carregal do Sal Nucleus and Star Mountain Range“, by Fabio Silva, 2012. Continue reading “Megalithic Portugal: Possible astronomical orientation of the Carregal do Sal dolmens”

Archaeological evidence suggests that Minoan Astronomy had been quite advanced during the 2nd millennium B.C.

Of the three great cultures of the ancient eastern Mediterranean — the Babylonian, Egyptian, and Minoan — we have considerable knowledge of the astronomy of the first two through their documents. Very little written material, however, has survived from Minoan Crete, but the evidence of other impressive archaeological discoveries implies that the inhabitants were on a par with their neighbors and had made similar advances in astronomy. Continue reading “Archaeological evidence suggests that Minoan Astronomy had been quite advanced during the 2nd millennium B.C.”

The ancients knew the Earth is round; the case of Eratosthenes and the first documented measurement of the Earth’s circumference

Eratosthenes was a Greek born in Cyrene in modern-day Libya. As a mathematician, poet, athlete, geographer, astronomer, and music theorist, his vast knowledge made him an ideal fit for the post of librarian at the Museum (Library) of Alexandria. Continue reading “The ancients knew the Earth is round; the case of Eratosthenes and the first documented measurement of the Earth’s circumference”

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