De revolutionibus orbium coelestium (Nicolaus Copernicus)

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De revolutionibus orbium coelestium

We can consider Nicolaus Copernicus' De revolutionibus orbium coelestium (1543) as the beginning of the Scientific Revolution.

The book is his major work and where he described his heliocentric theory. According to this theory - the Earth was not at the center, but Earth and planets move around the Sun.

Copernicus maintained that the Sun was at the center of the system, although he was wrongly defending a circular orbit. However, the idea that the earth moved around the sun was questioned by most of Copernicus' contemporaries.

We have linked Copernicus' book to Mercury, as it's the first book within our collection. Mercury is a hot planet so part of the title is covered with thermochromic ink. As heat is applied by placing your finger across the black ink - the full title begins to emerge.