Universe
Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 11, Problem 41Q
To determine

Whether the round trip of a laser beam reflected by Olympus Mons is longer or shorter than when it is reflected from Hellas Planitia, the exact difference in the round trip time, and whether the distance of MOLA from Mars is required to find out the time. It is given that the round trip time of a laser beam reflected from the top of summit of Olympus Mons and that of a laser beam reflected from the bottom of Hellas Planitia is measured by MOLA, which is an instrument that measures elevations.

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