Tag: Galileo

What did Carl Sagan mean when he said "The cosmos is within us"?
Astronomy and Space / Books and Literature

What did Carl Sagan mean when he said “The cosmos is within us”?

I have read the 2009 fifth edition of Cosmos, one of Carl Sagan’s most important works, which is one of the few popular science books to enter the worldwide bestseller list. The book, which was first published in the United States in 1980 is a book of Sagan’s documentary series of the same name.

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Why did Galileo feel the need to write his famous letter?
Article Base / Astronomy and Space / Books and Literature / Science World / Special Features

Why did Galileo feel the need to write his famous letter?

In 1615, Galileo wrote a letter to Grand Duchess Christina, mother of his patron Cosimo de Medici, containing his work and defense of the Copernican System, and the letter was published in 1636. However, before this date, it was widely read and shared in intellectual circles.

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