[19] Ed. 1657: "returning from Clamard, near Paris (where M. de Cuigny the younger, who is its Seigneur, had entertained several of us....)".
[20] Girolamo Cardan, 1501-1576, Italian mathematician and astrologer, a man of remarkable scientific attainments. There is an interesting article on him in The Retrospective Review.
[21] Monsieur de Montbazon was governor of Paris in 1649. (Lachèvre).
[22] The word "Jesuit" is omitted in the early editions.
[23] Tycho Brahe, 1546-1601, Danish astronomer.
[24] An illustration frequently used by early followers of Copernicus.
[25] Cartesian terms.
[26] Linear diameter of sun: 109 × earth's equatorial diameter = 864,000 miles. Sun's mass = 332,000 × mass of the earth.
[27] M. Lachèvre says this notion is "accepted by science," but it is rejected by recent astronomers and assuredly by the Relativists.
[28] Commentators have seen in this and the following passage a hint of the "nebula theory".