Astronomy, Saturn, Mars, Venus and surface 1896
Upper image: "Saturn am 9 Juli 1896"
Lower diagram: "Karte der Oberflache des Jupiter am 27. Januar 1896"
Mars, 11. December 1896 and Venus, 18. Juni 1896
Wood engravings printed in color ca 1900. On the reverse side is unrelated text.
Images: 21 x 17 cm ( 8.2 x 6.6 ")
Planet; astronomy; universe; solar system; gas giant; Roman god of wealth and agriculture; astronomical symbol (♄); god's sickle; Saturday, Sāturni diēs ("Saturn's Day"); oblate spheroid; Galileo Galilei first observed the rings of Saturn in 1610; Robert Hooke noted the shadows cast by both the globe and the rings on each other in this drawing of Saturn in 1666.