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

Author Question: Why is the number of galaxies in the Local Group uncertain? What will be an ideal ... (Read 89 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
on: Jul 27, 2018
Why is the number of galaxies in the Local Group uncertain?
 
  What will be an ideal response?

Question 2

Stars with 0.4-4 solar masses swell into giants when hydrogen is exhausted in their centers.
 
  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

kbennett34

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 27, 2018
Answer to Question 1

The total number of galaxies in the Local Group is uncertain because some galaxies lie in the plane of the Milky Way Galaxy and are difficult to detect.

Answer to Question 2

True


tichca

  • Hero Member
  • *****
  • Posts: 554
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


kbennett34

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Irregular Galaxies Irregular Galaxies
The Local Group The Local Group
(a) The low-resolution signal has the same number of pulses as the engine has cylinders. (b) A ... (a) The low-resolution signal has the same number of pulses as the engine has cylinders. (b) A ...
How to write any number in scientific notation How to write any number in scientific notation
Group of Bees Group of Bees
Number chart Number chart
Video: Energy inputs and release in glycolysis Animation

For a complete list of videos, visit our video library