Series of observations of the planet Saturn, 1656

Series of observations of the planet Saturn, 1656. These observations made by Johannes Hevelius (1611-1687), latinized name of the German astronomer Jan Hewel or Hewelcke, display different appearances of Saturn from those showing what we now know to be Saturn's rings, through what Galileo called Saturn's triple nature, to a simple disc. From Dissertatio, de Nativa Saturni Facie, ... by Johannes Hevelius. (Gdansk, 1656). Engraving

1656 Appearances Astronomer Disc Galileo Gdansk Hevelius Hewel Hewelcke Johannes Observations Planetary Saturn Saturns Triple

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