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

Why does Nixon feel the need to state that he’s not a crook
Based on the events in this passage, the reader can infer that Daylight
The victory column of trajan is a prime example of ___________ art.
How was the korean war different from other u.s. wars apush?
In what ways were the new artistic styles of the 1800s a reaction to changes in society?
Qu’est-ce qu’Hélène a fair pour s’amuser en vacancies?
What is the most likely cause of this person's color blindness? what does 20/300 vision indicate, and how is that corrected by lasik surgery?
2, 3, 6, 8, . . . is an example of an infinite alternating series. True False
What was the nazi- soviet pact? what did it accomplish for germany?
What is the equation for 5n+7=21