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

When Jefferson came to office, what steps did he take to lower the national debt?
Solve. High school pre-cal
Hello everyone! Can you please help me? Help would be really really appreciated! The area of a rectangle is 72 cm2. State the dimensions of the rectangle with
Solve for x. State any restrictions on the variables. ax + bx - 1 = 8
Which of the following represents a financially responsible decision? Question 4 options: -Spending your rent money on a new pair of jeans at the mall. -Using a
The difference between 15 and the product of 5 and a number
In two to three sentences, explain the current state of Columbia's economy. Explain the factors that have resulted in this state.
Which of the following statements are TRUE regarding new issues of U.S. Government agency securities? I. The securities are sold through a selling group appoint
Why do mapping experiments become less accurate when the distances between genes become large? a. Crossover gametes become less common. b. Interference is grea
The lines 2 x - 3 y = 1 and 2 x + 3 y = 2 are intersecting.