Although astronomers refer to the Galaxy's disk as rotating, the ...

[tth]

Although astronomers refer to the Galaxy's disk as rotating, the motion is really due to the ________ motion of each of the objects in the disk.
 
  Fill in the blank(s) with correct word

Question 2

Scientific thinking is
 
  A) based on everyday ideas of observation and trial-and-error experiments.
  B) completely different from any other type of thinking.
  C) a difficult process that only a handful of people can do well.
  D) an ancient mode of thinking first invented in Egypt.

[soda0602]

Answer to Question 1

orbital

Answer to Question 2

A

[tth]

TYSM

[Kedrick2014]

Gracias!