B. _The true Sun._

S C H N. _The great Circle, altogether White, almost parallel to the

Horizon, which pass'd through the true Sun's Diske, and upon which were the

false Suns._

D E B O. _A Rain-bow about the Sun, forming an entire Circle, but

interrupted in some places._

H D N. _A portion of a Circle, that was Excentrick to the Sun, and greater

than the Circle_ D E B O, _which touch'd_ D E B O, _and was confounded with

it in the point_ D. {221} H N. _The two Mock-Suns, in the intersection of

the Semicircle_ H D N, _and the Circle_ S C H N: _The midst of which two

False-Suns was white and very luminous; and their Extremities towards_ D I

_were tinged with the Colours of a Rainbow. The False Sun, mark'd_ N, _ was

fainter than that, which is mark'd_ H.

Philosophical Transactions of the Royal Society - Vol 1 - 1666 Giving some Accompt of the present Undertakings, Studies, and Labours of the Ingenious in many considerable parts of the World · 第 47 / 98 题