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

Author Question: The event horizon of a black hole is A) the surface below which no matter or energy can escape. ... (Read 89 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
on: Jul 29, 2018
The event horizon of a black hole is
 
  A) the surface below which no matter or energy can escape.
  B) the surface where light becomes trapped in a circular orbit around the black hole.
  C) the physical surface of the black hole.
  D) the point in time when a black hole comes into being.

Question 2

A black hole is
 
  A) a region of space that is collapsed in on itself.
  B) the result of the collapse of supergiant star.
  C) likely found at the center of each spiral galaxy.
  D) All of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D


Collmarie

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Free Energy Enzymes Free Energy Enzymes
Energy of reactant molecules. Energy of reactant molecules.
viable surface sampling by swab viable surface sampling by swab
Global energy consumption is rising rapidly Global energy consumption is rising rapidly
Ecosystem Energy Flow and Efficiency Ecosystem Energy Flow and Efficiency
A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp
Video: Introduction to Cystic Fibrosis

For a complete list of videos, visit our video library