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

Author Question: Describe the properties of space in the vicinity of a black hole. What will be an ideal ... (Read 66 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
Describe the properties of space in the vicinity of a black hole.
 
  What will be an ideal response?

Question 2

What is a rotation curve?
 
  A) a precise description of the shape of a star's orbit around the center of the Milky Way Galaxy
  B) a graph showing how orbital velocity depends on distance from the center for a spiral galaxy
  C) a curve used to decide whether a star's orbit places it in the disk or the halo of a spiral galaxy
  D) a graph that shows a galaxy's mass on the vertical axis and size on the horizontal axis



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

popopong

  • Sr. Member
  • ****
  • Posts: 307
Answer to Question 1

The geometry of space is warped or curved near a black hole. The gravitational field is so overwhelmingly large that the curvature of space is extreme, so extreme that space folds over on itself at the event horizon. Further away from the black hole, gravity from it is weaker and the curvature of space is less.

Answer to Question 2

B





 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

For a complete list of videos, visit our video library