![]() – Carl Sagan (1934-1996) |
Tag Archives: astronomy
Galileo Galilei – I discovered astronomical facts till then unknown
Some years ago I discovered many astronomical facts till then unknown. Their novelty and their antagonism to some physical propositions commonly received by the schools did stir up against me many who professed the vulgar philosophy, as if, forsooth, I had with my own hand placed these things in the heavens to obscure and disturb nature and science.
– Galileo Galilei (1564-1642) |
Carl Sagan – If we are to understand the Earth
![]() – Carl Sagan (1934-1996) |