Lewis, Isabel Martin, b. 1881 · New York, Duffield & Company · leaf 282
t all the matter in theuniverse could control. The greatest known annualproper motion, as it is called, has been 8.7 secondsuntil the discovery of this star, but very few starsare known that have a proper motion greater thanone second, and the average is far below one sec-ond. This discovery was… … o 2 < a§ Ou w« SPLENDORS OF THE SKY upon photographic plates material that will leadto the discoveries of the future. If such valuablerecords could have been left to us by our ancestorsthe knowledge of the wonders of the heavens wouldbe advancing to-day by leaps and bounds. In allresearch work…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
