Proctor, Richard A. (Richard Anthony), 1837-1888 · New York, R. Worthington · leaf 280
indeed, been seen as here shown, notelescope yet constructed having sufficed, it would seem, toexhibit the penumbral band surrounding the true shadow asa distinct feature. Yet it must not be supposed because theshadows are not seen as here shown that any reasonabledoubt can exist as to their true… … Shadow of Shadow of tst Satellite. 2nd Satellite Shadow of4th Satellite. of the fourth satellite, we have, first, the distance of thesatellite from Jupiters surface equals 1,150,000 miles (inround numbers). Now the sun, as seen from Jupiter, orfrom any part of his system, subtends an angle of about…
Astronomy
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