An easy introduction to astronomy for young gentlemen and ladies : describing the figure motions, and dimensions of the earth : the different seasons : gravity and light : the solar system : the transit of Venus and its use in astronomy : the moon's motion and phases : the eclipses of the sun and moon : the cause of the ebbing and flowing of the sea, &c. (1812)
Ferguson, James, 1710-1776 · Philadelphia : Johnson and Warner, Ann Cochran, printer · leaf 83
he planets would be mere points :and a large sheet of paper would be too small forthe lengths of the lines of distances. So that, inorder to make the present subject plain, we mustenlarge the planets, and contract their distancesfrom the Sun ; otherwise we could not, at present,render the effects… … 68 and therefore, if the Sun were viewed, at the sameinstant, by two observers on opposite sides ofthe Earth, his center would appear to both ofthem to be in the same point of the heavens*But, when Venus is between the Earth and the Sun(as she was at the time of her late transit,, herdistance from…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
