A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 186
and faster than theChicago Limited on the Pennsylvania Railroad) would take 254|years to make the journey. If sound were transmitted through interplanetary space, and at thesame rate as through our own atmosphere, it would make the pas-sage in about fourteen years ; i.e., an explosion on the sun… … Fie «i. — Dimensions of the Sun compared with the Moons Orbit. 276. Diameter. — The suns mean apparent diameter is 32 04±2. Since at the sun one second equals 450.36 miles, its diameterequals 866,500 miles, or 109J times the diameter of the earth. Itis quite possible that this diameter is variable…
Astronomy
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