Aldrich, Thomas Bailey, 1836-1907 · Boston, CT : Hall and Locke · leaf 365
wers.This is a gigantic ring ofluminous gas. To judgeof the size of this ringlet us suppose that a rail-way were laid across it,and the train you enteredat one side was not to stop until it. reached the otherside, how long do you think this journey would require ?I recollect some timeago a picture… … Fig. 5. A Great reflectingTelescope.
Children's literature
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