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

Author Question: What is the mass-to-light ratio for the inner region of the Milky Way Galaxy, in units of solar ... (Read 164 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
on: Jul 27, 2018
What is the mass-to-light ratio for the inner region of the Milky Way Galaxy, in units of solar masses per solar luminosity?
 
  A) 1,000
  B) 600
  C) 100
  D) 6
  E) 0.1

Question 2

A large mass-to-light ratio for a galaxy indicates that
 
  A) the galaxy is very massive.
  B) the galaxy is not very massive.
  C) on average, each solar mass of matter in the galaxy emits less light than our Sun.
  D) on average, each solar mass of matter in the galaxy emits more light than our Sun.
  E) most stars in the galaxy are more massive than our Sun.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yeungji

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


penguins

  • Member
  • Posts: 903
Reply 2 on: Jul 27, 2018
Gracias!

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

The elliptical galaxy Centaurus A at visible, far-infrared and x-ray wavelengths. The elliptical galaxy Centaurus A at visible, far-infrared and x-ray wavelengths.
Electrospray mass spectrometry of a protein Electrospray mass spectrometry of a protein
Spiral Galaxies Seen Nearly Edge On from the Milky Way Spiral Galaxies Seen Nearly Edge On from the Milky Way
How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ... How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ...
Gravitational Force Due to a Distribution of Mass Problem 1 Gravitational Force Due to a Distribution of Mass Problem 1
Light-independent reactions of photosynthesis Light-independent reactions of photosynthesis
Video: Inflammation and Fever

For a complete list of videos, visit our video library