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Seyfert galaxy
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The small spiral galaxy NGC 7742, a Type 2 Seyfert galaxy, as seen by the Hubble Space Telescope. Seyfert galaxy
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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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Photos

The small spiral galaxy NGC 7742, a Type 2 Seyfert galaxy, as seen by the Hubble Space Telescope.
Seyfert galaxy
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Related Quizzes and Features

Quiz
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.
All About Astronomy