This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Astronomy and astrology were often practiced together in ancient cultures, and astrology played an ... (Read 87 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

C


future617RT

  • Hero Member
  • *****
  • Posts: 543
Reply #2 on: Jul 27, 2018
Thanks


Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Ancient Greek rhyton in the shape of a dog's head Ancient Greek rhyton in the shape of a dog's head
Astronomy Astronomy
Blood coagulation pathways in vivo showing the central role played by thrombin Blood coagulation pathways in vivo showing the central role played by thrombin
Ancient drawing of energy channels and acupoints. Ancient drawing of energy channels and acupoints.
Birth of Modern Astronomy Birth of Modern Astronomy
Newborn Experiences Across Cultures Newborn Experiences Across Cultures
Video: Blood Flow Through the Kidneys

For a complete list of videos, visit our video library