Author Question: How much of the sky is north of the celestial equator? a. less than one-half, because of the tilt ... (Read 78 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?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library