When two objects are far away, an observer moving will see a shift of the closest object relative to the farthest object. This shift is known as a.triangulation. b.parallax. c.a baseline. d.a degree. e.an arc second. What advantages do large telescopes have over smaller ones? a.larger collecting areas b.both superior angular resolution and less aberration c.superior angular resolution d.less aberration e.better exposure times What is the name given to a day which uses the stars as a reference? a.solar day b.diurnal day c.sidereal day d.orbital day e.none of the mentioned choices

When two objects are far away, an observer moving will see a shift of the closest object relative to the farthest object. This shift is known as a.triangulation. b.parallax. c.a baseline. d.a degree. e.an arc second. What advantages do large telescopes have over smaller ones? a.larger collecting areas b.both superior angular resolution and less aberration c.superior angular resolution d.less aberration e.better exposure times What is the name given to a day which uses the stars as a reference? a.solar day b.diurnal day c.sidereal day d.orbital day e.none of the mentioned choices

Horizons: Exploring the Universe (MindTap Course List)

14th Edition

ISBN:9781305960961

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter5: Light And Telescopes

Section: Chapter Questions

Problem 14RQ

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Concept explainers

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

When two objects are far away, an observer moving will see a shift of the closest object relative to the farthest object. This shift is known as

a.triangulation.

b.parallax.

c.a baseline.

d.a degree.

e.an arc second.

What advantages do large telescopes have over smaller ones?

a.larger collecting areas

b.both superior angular resolution and less aberration

c.superior angular resolution

d.less aberration

e.better exposure times

What is the name given to a day which uses the stars as a reference?

a.solar day

b.diurnal day

c.sidereal day

d.orbital day

e.none of the mentioned choices

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