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

Author Question: __________ can be used to determine the galaxy's mass if the galaxy is reasonably close, so that the ... (Read 77 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
__________ can be used to determine the galaxy's mass if the galaxy is reasonably close, so that the Doppler shift of the galaxy disk material can be measured at several distances from the galaxy's center relative to the center.
 
  a. The Hubble constant
  b. A galaxy's color
  c. A galaxy's rotation curve
  d. A galaxy's diameter
  e. The velocity dispersion method

Question 2

Energy flows by radiation or convection inside stars but almost never by conduction.
 
  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

olderstudent

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

c

Answer to Question 2

True




haleyc112

  • Member
  • Posts: 600
Reply 2 on: Jul 27, 2018
:D TYSM


jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

For a complete list of videos, visit our video library