Google has paid an interesting homage on its homepage to Polish physician, mathematician, astronomer, and a Renaissance scholar, Nicolaus Copernicus who turns 540 today. He is popular for his heliocentric theory which proves that the Sun, and not the Earth is at the centre of the universe, and the planets revolve around the Sun — not the other way around. The theory appears in his published work titled De revolutionibus orbium coelestium.
The animated doodle features the Sun (the second O in Google's logo) with planets such as Mercury, Venus, Earth, Mars, Mars, Jupiter and Saturn turning around the Sun. Only these planets had been discovered when the theory came into being, as described in his book. Also in the doodle, you can see the Moon revolving around the Earth.
For more information about Nicolaus Copernicus, click here.
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