Astronomy Today (9th Edition)
Astronomy Today (9th Edition)
9th Edition
ISBN: 9780134450278
Author: Eric Chaisson, Steve McMillan
Publisher: PEARSON
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Chapter 1, Problem 10MC
To determine

The correct option, from the following options, for the method used to measure distances to stars now a days.

(a) Bouncing radar signals.

(b) Reflected laser beams.

(c) Travel time by spacecraft.

(d) Geometry.

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