« previous next »

Author Question: If a star is twice as hot as the Sun and only half the Sun's diameter, it will be less luminous than ... (Read 75 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
If a star is twice as hot as the Sun and only half the Sun's diameter, it will be less luminous than the Sun.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

A star on the main sequence has 7 solar masses. The star will evolve into a ____________ and its core will be supported by ______________.
 
  a. white dwarf, electron degeneracy pressure b. neutron star, neutron degeneracy pressure
  c. black hole, no pressure (i.e., it will not be supported) d. white dwarf, neutron star, or black hole; electron degeneracy, neutron degeneracy, and no pressure, respectively.


KKcool

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 27, 2018
Answer to Question 1

False

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
Mass Loss by a Supermassive Star Mass Loss by a Supermassive Star
Half Full or Half Empty Half Full or Half Empty
Airflow through the large diameter upper intake manifold is distributed to smaller diameter ... Airflow through the large diameter upper intake manifold is distributed to smaller diameter ...
An electrochemical cell is based on these two half-reactions An electrochemical cell is based on these two half-reactions
Brittle Star Brittle Star
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library