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

Author Question: As a solar mass protostar moves on to the main sequence, A) its surface temperature and ... (Read 28 times)

imowrer

  • Hero Member
  • *****
  • Posts: 514
As a solar mass protostar moves on to the main sequence,
 
  A) its surface temperature and luminosity remain the same.
  B) its surface temperature and luminosity decrease.
  C) its surface temperature and luminosity increase.
  D) its surface temperature decreases and its luminosity increases.
  E) its surface temperature increases and its luminosity decreases.

Question 2

What are the two primary methods by which planets have been found around other stars in our galaxy?
 
  I) Direct images in visible and infrared light
  II) Indirectly by detecting the motion of the host star
  III) Indirectly by measuring the drop in brightness of the host star when the planet crosses our line of sight
  A) I and II B) II and III C) I and III



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

E

Answer to Question 2

B




imowrer

  • Member
  • Posts: 514
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

For a complete list of videos, visit our video library