The libration of the moon show the north, east, south, and west sides of the heavens.
The motions of the moon are found by watching the sun spots.
There can be an eclipse of the moon when the sun gets into the moon’s shadow.
Juniper is a very bright star.
Venus, Jupiter and perhaps the earth was known to the ancients.
Mars moves in his orbit at the rate of sixteen seconds a mile.
The earth is 1492 miles in circumference.
The spheres are to each other as the squares of their homologous sides.
Eclipses are caused whenever the obscuration of a body is passed by the shadow of some other body.
The planets shine with a steady light but the stars sprinkle.