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Volume III.
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A s f i dft 6 if y.

L42

the apparent Diameter of Venus, when fest, is near 66 Minutes, but when

A

not more than 9 Minutes and a half >Mars , when greatest, it is 21 Minutes,

but

.&*

when least no more than 2 Minutes anhalf; whereas by the Ptolomeah Hyp°^ ethey, ought always to be equal. ^

XII. The ffth is, That when the .are viewed with a good Telescope they ^pear with different Phases , or with difi^ r ,Parts of their Bodies enlightened. ^Venus is sometimes new , then horned , 3 ^that dichotomised , then gibbous , after^^ (y»//; and so increases and decreasesLight, in the same manner as the

and as the Copernican System requires. ij

XIII. The sixth is, That the Planes ^of them, do sometimes appear ^ j^sMotion, sometimes retrograde , and attimes sationary. Thus Venus , as she ^from her greatest Elongation Westvrs rher greatest Elongation Eastward, wiHpear direct in Motion, but retrograde aS ^Jpasses from the latter to the former» ^when she is in those Points of sDistance from the Sun, lhe seems f° r 0time stationary : All which is neceflaA j,on the Copernican Hypothesis but caflhappen in any other.

XIV.