Transit: Quick Facts

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transit of Mercury across the face of the Sun

Venus orbiting the Sun

Venus crossing the face of the Sun

Observe the 2012 transit of Venus across the sun captured as seen by the Solar Dynamics Observatory

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Eclipse: Introduction

Key People

Edmond Halley

Edmond Halley

British scientist

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Jeremiah Horrocks

British astronomer

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Joseph-Nicolas Delisle

French astronomer

Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.

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