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

Author Question: How many constellations are on a celestial sphere? How many boundaries are on a celestial sphere? ... (Read 97 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
on: Jul 27, 2018
How many constellations are on a celestial sphere? How many boundaries are on a celestial sphere? Are boundaries unique to a constellation or shared?
 
  What will be an ideal response?

Question 2

What causes precession and why does it move the celestial equator among the stars?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rekilledagain

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

88 constellations, 88 boarders, shared

Answer to Question 2

Precession is caused by gravitational forces of the Moon and Sun acting on the equatorial bulge of the spinning Earth, causing the Earth's axis to sweep around in a conical motion. Because the celestial equator is defined by the Earth's equator, as the Earth precesses the celestial equator moves slowly against the background of stars.


formula1

  • Member
  • Posts: 666
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Why Different Constellations Are Visible at Different Times of the Year Why Different Constellations Are Visible at Different Times of the Year
Consuming Lithosphere at Convergent Plate Boundaries Consuming Lithosphere at Convergent Plate Boundaries
A sphere represented by means of modeling. A sphere represented by means of modeling.
Every society has boundaries that divide what is considered socially acceptable from what is not ... Every society has boundaries that divide what is considered socially acceptable from what is not ...
Object Perception and Boundaries Object Perception and Boundaries
Convergent and Divergent Boundaries Convergent and Divergent Boundaries
Video: Energy Flow - Trophic Levels and Food

For a complete list of videos, visit our video library