This topic contains a solution. Click here to go to the answer

Author Question: Astronomy and astrology were often practiced together in ancient cultures, and astrology played an ... (Read 78 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
Astronomy and astrology were often practiced together in ancient cultures, and astrology played an important role in the historical development of astronomy.
 
  Indicate whether the statement is true or false

Question 2

The leading explanation for the existence of spiral arms is
 
  A) shock waves from cyclic supernovae explosions.
  B) shock wave from the quasar-like eruption of the Galactic core.
  C) passages of spiral density waves through the interstellar medium.
  D) passages of massive globular clusters through the Galactic plane.
  E) tidal streams of small galaxies being torn up by our monster Galaxy.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

TRUE

Answer to Question 2

C





 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library