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

Author Question: Has Polaris always been the North Star? A) No, because the Earth's axis slowly changes the ... (Read 75 times)

kaid0807

  • Hero Member
  • *****
  • Posts: 515
on: Jul 27, 2018
Has Polaris always been the North Star?
 
  A) No, because the Earth's axis slowly changes the direction it points.
  B) Yes, because the stars are unchanging.
  C) No, because it is a young star that only formed a few hundred years ago.
  D) No, because the Milky Way blocked our line of site to it for a long time.

Question 2

The rings of Uranus were discovered when it passed in front of a star, and the dark rings occulted the star several times for brief intervals.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mmj22343

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


kaid0807

  • Hero Member
  • *****
  • Posts: 515
Reply #2 on: Jul 27, 2018
Thank you!


mmj22343

  • Sr. Member
  • ****
  • Posts: 297
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Star Map Southern Horizon Star Map Southern Horizon
The North and South Equatorial Currents The North and South Equatorial Currents
North America and the Global Economy North America and the Global Economy
Relationship Between the Atlas and the Axis. The Dens of the Axis Provides a Pivotal Point Around Wh Relationship Between the Atlas and the Axis. The Dens of the Axis Provides a Pivotal Point Around Wh
Video: How Hemoglobin Picks Up and Delivers Oxygen

For a complete list of videos, visit our video library