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

Author Question: The Earth never passed through the cratering stage in planetary development. Indicate whether the ... (Read 53 times)

khang

  • Hero Member
  • *****
  • Posts: 569
The Earth never passed through the cratering stage in planetary development.
 
  Indicate whether the statement is true or false

Question 2

Centaurus A is a radio galaxy that has a visible galaxy at the center. This central elliptical galaxy of Centaurus A is encircled by a ring of gas and dust, different from most elliptical galaxies. The dust ring orbits about an axis that is perpendicular to the axis of rotation of the elliptical galaxy. What does this suggest about this central elliptical galaxy of Centaurus A?
 
  a. The radio jets have caused the dust disk to be driven around the elliptical galaxy.
  b. There are at least two black holes at the center of the elliptical galaxy.
  c. Centaurus A is probably the result of a merger of an elliptical galaxy and a spiral galaxy.
  d. Dust is produced as the jets interact with the intergalactic medium.
  e. Elliptical galaxies often contain dust that forms a disk along their rotation axis.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aburgess

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

F

Answer to Question 2

C




khang

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

For a complete list of videos, visit our video library