Author Question: How much of the sky is north of the celestial equator? a. less than one-half, because of the tilt ... (Read 79 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
How much of the sky is north of the celestial equator?
 
  a. less than one-half, because of the tilt of the equator to the ecliptic plane
  b. more than one-half, because of the precession of the poles
  c. exactly one-half
  d. all of the night sky

Question 2

Precession of the rotation axis of Earth takes ____ to complete a cycle.
 
  a. 24 hours
  b. one year
  c. 260 years
  d. 26,000 years
  e. 260,000 years



fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

c

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

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?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

For a complete list of videos, visit our video library