"Sir Francis Drake's Astrolabe; an obsolete astronomical instrument of different forms, used for taking…
"A zodiacal constellation, giving its name to a sign of the zodiac, lying east of Taurus, on the other…
Claudius Ptolemaeus, known as Ptolemy, was an ancient geographer, astrologer, and astronomer.
Claudius Ptolemaeus, known as Ptolemy, was an ancient geographer, astrologer, and astronomer.
"The constellation which is prominent in early summer in the skies of the southern United States (where…
A diagram that shows constellations, seasons, equinoxes, solstices and astrological signs.
A transit telescope is a special purpose telescope mounted so as to allow it to be pointed only at objects…
"The twelve signs of the zodiac, together with the Sun, and the Earth revolving around him. When the…