Author Question: We know Mercury must have a large metal core because it has a high density. Indicate whether the ... (Read 93 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
We know Mercury must have a large metal core because it has a high density.
 
  Indicate whether the statement is true or false

Question 2

In the unified model of active galactic nuclei, the broad line region in an active galactic nucleus is
 
  a. composed of clouds of gas and stars moving at very high orbital velocities near a supermassive black hole.
  b. composed of a super massive black hole surrounded with empty space
  c. responsible for producing the bright continuous radiation from within the event horizon.
  d. responsible for the narrow absorption lines seen in Type 2 Seyfert galaxies.
  e. located far from the core beyond the disk of stars of the galaxy



momolu

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

T

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
Both answers were spot on, thank you once again



momolu

  • Sr. Member
  • ****
  • Posts: 320

 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

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

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

For a complete list of videos, visit our video library