This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The occasional backward motion of the planets against the background of fixed stars is called _____. ... (Read 59 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
on: Jul 27, 2018
The occasional backward motion of the planets against the background of fixed stars is called _____.
 
  A) anterograde motion
  B) rotation
  C) oscillation
  D) retrograde motion

Question 2

Isaac Newton concluded that a force from Earth had to act on the Moon because:
 
  A) some force is needed to pull the Moon away from Earth.
  B) some force is needed to keep the Moon in a straight-line motion.
  C) some force is needed to keep the Moon in motion in its orbit.
  D) some force is needed to accelerate the Moon toward Earth.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

EAN94

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


kshipps

  • Member
  • Posts: 571
Reply 2 on: Jul 27, 2018
Wow, this really help

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Range of Motion of the Cervical Spine, Rotation Range of Motion of the Cervical Spine, Rotation
Rising and Setting of Stars at the Equator Rising and Setting of Stars at the Equator
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ... Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
The expected value for a binomial probability distribution is _____. The expected value for a binomial probability distribution is _____.
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library