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

Author Question: In the context of star sizes, which of the following statements is true of a star's luminosity? ... (Read 56 times)

CBme

  • Hero Member
  • *****
  • Posts: 548
on: Jul 27, 2018
In the context of star sizes, which of the following statements is true of a star's luminosity?
 
  A) A hot star may not be very luminous if it has a small surface area.
  B) The luminosity of a star is proportional to its visual wavelength.
  C) A cool star can be luminous if it has a small surface area.
  D) The luminosity of a glowing object is determined by its density.

Question 2

The diagram below shows two stars in a binary system and the center of mass of the system. Based on the diagram, the ratio of the mass of star A to the mass of star B is _____.
 
  A) 2:1
  B) 1:2
  C) 1:3
  D) 3:2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Natalie4ever

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


CBme

  • Member
  • Posts: 548
Reply 2 on: Jul 27, 2018
Wow, this really help

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

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.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

The Mass-Luminosity Relation The Mass-Luminosity Relation
A Summary of the Star Formation Process A Summary of the Star Formation Process
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact, A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
Region’s Culture in International Context Region’s Culture in International Context
Portion sizes of French fries have more than doubled from the past Portion sizes of French fries have more than doubled from the past
Using child-sized dishes at mealtimes can help caregivers monitor portion sizes Using child-sized dishes at mealtimes can help caregivers monitor portion sizes
Video: Types of disease resistance: innate defenses & immunity

For a complete list of videos, visit our video library