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

Author Question: The first clue to the significance of quasars came from the discovery that some of these stars were ... (Read 27 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

A


RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
Reply #2 on: Jul 27, 2018
Thanks


aloop

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

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?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat
The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo
Stars and the Interstellar Medium Stars and the Interstellar Medium
Pre–Main-Sequence Stars Pre–Main-Sequence Stars
The evolutionary significance of “Man the Hunter” (or in this instance “Man the Fisher”) has been de The evolutionary significance of “Man the Hunter” (or in this instance “Man the Fisher”) has been de
Video: Epidural Hematoma

For a complete list of videos, visit our video library