Author Question: The sky is flat, like a sheet of paper, and hence angular diameter is the distance measured along ... (Read 18 times)

bb

  • Hero Member
  • *****
  • Posts: 544
The sky is flat, like a sheet of paper, and hence angular diameter is the distance measured along that flat sheet of paper.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

In 21,200 years from now, Thuban will once again be our north celestial pole.
 
  a. True
  b. False
  Indicate whether the statement is true or false



ong527

  • Sr. Member
  • ****
  • Posts: 285
Answer to Question 1

False
RATIONALE: Refer to the celestial sphere shape and angular diameter.

Answer to Question 2

True
RATIONALE: See precession.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

ong527

  • Sr. Member
  • ****
  • Posts: 285

 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

For a complete list of videos, visit our video library