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 in function form X+y=6..?
The skeletal system does all of the following EXCEPT (A) support. (B) transport. (C) protect. (D) digest. (E) store.
Due to a membership drive for a public television station, the current membership is 125% of what it was a year ago. The current membership in 1200. How many me
Who is SohCahToa Joe? on Csi geometry:trigonometry I need the answers.
translate into an equation. Five times the sum of twice a number, x, and six is thirty. Find the number.x = Translate into an equation. The difference b
why a flat surface of a rectangular prism called faces?
which of the following organisms feeds on the largest variety of producers
The shape of the clock is a regular dodecagon with a radius of 14cm. Centered on the clock's face is a green circle of radius 9cm. If the region outside the cir
how many rectangular prism can you make out of 20 snap of cubes
Who is SohCahToa Joe? on Csi geometry:trigonometry I need the answers.