trippmckinley trippmckinley
  • 04-09-2020
  • Physics
contestada

Which two cosmologist hypothesized why the planets sometimes appear to move backward in the sky?

Respuesta :

samlokosm2k
samlokosm2k samlokosm2k
  • 09-09-2020

Answer:

  1. Greek astronomer Ptolemy
  2. Greek astronomer Apollonius of Perga

Explanation:

This phenomena is referred to as the apparent retrograde motion.

Answer Link

Otras preguntas

write the words being compared the sentences 1. __________ ___________ 2.__________ ___________ 3.__________ ___________ 4.__________ ___________ 5.__________ _
At Laser Tag Park, players earn 12 points every time they tag a member of the other team. Each time a player hits one of the laser pods in the park, the player
How have large herbivores adapted in order to live in the taiga
Consider the circle shown below. mCDF =120° mCHJ =40° If points G and J moved closer together, such that mCHJ=30° how does the measure of angle B change?
what is the equation of the line that passes through the points (-3,5) (6,8)
The angle of elevation to the top of a Building in New York is found to be 10 degrees from the ground at a distance of 1 mile from the base of the building. Usi
Explain why so many railroad lines to and from Chicago, Illinois. pls help
Which jewelry company produces the super bowl trophy each year?.
Emma's class has a jar of earthworms. The class measures the length of each earthworm and records the data in a line plot. What is the difference between the le
Hi, any help is appreciated.