This topic contains a solution. Click here to go to the answer

Author Question: When spiral nebulae were first discovered, astronomers quickly identified them as distant groupings ... (Read 73 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
When spiral nebulae were first discovered, astronomers quickly identified them as distant groupings of stars.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Refracting and reflecting telescopes form an image that is small, inverted, and difficult to observe directly; therefore, an eyepiece is normally used to magnify the image and make it convenient to view.
 
  a. True
  b. False
  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

bpool94

  • Sr. Member
  • ****
  • Posts: 354
Answer to Question 1

False

Answer to Question 2

True





 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

For a complete list of videos, visit our video library