Stars and telescopes; a hand-book of popular astronomy, founded on the 9th ed. of Lynn's Celestial motions (1899)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911. Celestial motions · Boston, Little, Brown and company · leaf 81
ained by the discovery of the aberra-tion of light. Romers approximate determination ofthe time required by light in passing from the Sun tothe Earth was rather more than eleven minutes; butit is now known that when the Sun is at its meandistance, this interval is 498s (8m 18s), the…
Astronomy
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