Why do we observe retrograde motion in some outer or superior planets? Because Earth is moving faster than the outer planets and when Earth passes the planet, the planet appears to be moving backwards.

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
icon
Related questions
Question
Why do we observe retrograde motion in some outer or
superior planets?
Because Earth is moving faster than the outer planets and
when Earth passes the planet, the planet appears to be
moving backwards.
Because the planets are moving in epicycle, sometimes the
planets are moving backwards relative to Earth.
Because Earth is moving slower than the outer planets and
when Earth passes the planet, the planet appears to be
moving backwards.
Because the Earth is moving in epicycle, sometimes the
other planets are moving backwards relative to Earth.
Transcribed Image Text:Why do we observe retrograde motion in some outer or superior planets? Because Earth is moving faster than the outer planets and when Earth passes the planet, the planet appears to be moving backwards. Because the planets are moving in epicycle, sometimes the planets are moving backwards relative to Earth. Because Earth is moving slower than the outer planets and when Earth passes the planet, the planet appears to be moving backwards. Because the Earth is moving in epicycle, sometimes the other planets are moving backwards relative to Earth.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Applications and Investigations in Earth Science …
Applications and Investigations in Earth Science …
Earth Science
ISBN:
9780134746241
Author:
Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:
PEARSON
Exercises for Weather & Climate (9th Edition)
Exercises for Weather & Climate (9th Edition)
Earth Science
ISBN:
9780134041360
Author:
Greg Carbone
Publisher:
PEARSON
Environmental Science
Environmental Science
Earth Science
ISBN:
9781260153125
Author:
William P Cunningham Prof., Mary Ann Cunningham Professor
Publisher:
McGraw-Hill Education
Earth Science (15th Edition)
Earth Science (15th Edition)
Earth Science
ISBN:
9780134543536
Author:
Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:
PEARSON
Environmental Science (MindTap Course List)
Environmental Science (MindTap Course List)
Earth Science
ISBN:
9781337569613
Author:
G. Tyler Miller, Scott Spoolman
Publisher:
Cengage Learning
Physical Geology
Physical Geology
Earth Science
ISBN:
9781259916823
Author:
Plummer, Charles C., CARLSON, Diane H., Hammersley, Lisa
Publisher:
Mcgraw-hill Education,