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

Author Question: The first clue to the significance of quasars came from the discovery that some of these stars were ... (Read 37 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
The first clue to the significance of quasars came from the discovery that some of these stars were much stronger radio sources than any normal star.
 
  Indicate whether the statement is true or false

Question 2

Which star spends the longest time in the protostellar phase of life?
 
  A) a 1-solar-mass star
  B) a 2-solar-mass star
  C) a 3-solar-mass star
  D) a 4-solar-mass star
  E) a 5-solar-mass star



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aloop

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

TRUE

Answer to Question 2

A





 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

For a complete list of videos, visit our video library