« previous next »

Author Question: What do we mean by the event horizon of a black hole? A) It is the very center of the black hole. ... (Read 91 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
on: Jul 27, 2018
What do we mean by the event horizon of a black hole?
 
  A) It is the very center of the black hole.
  B) It is the place where X-rays are emitted from black holes.
  C) It is the point beyond which neither light nor anything else can escape.
  D) It is the distance from the black hole at which stable orbits are possible.

Question 2

Describe the orbits of the Trojan asteroids.
 
  What will be an ideal response?


tjayeee

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

They move in Jupiter's orbit, but 60 degrees ahead or behind it.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
black and white face black and white face
A cutaway of a typical water pump showing the long bearing assembly and the seal. The weep hole is ... A cutaway of a typical water pump showing the long bearing assembly and the seal. The weep hole is ...
A whistle stop used to find top dead center. Remove the spark plug and install the whistle stop, ... A whistle stop used to find top dead center. Remove the spark plug and install the whistle stop, ...
A track inside an ignition coil is not a short, but rather it is a low-resistance path or hole that ... A track inside an ignition coil is not a short, but rather it is a low-resistance path or hole that ...
Interaction of RF2 with a UGA stop codon in the decoding center Interaction of RF2 with a UGA stop codon in the decoding center
Video: Stomach peristalsis - Movement of Food Through the Small Intestine

For a complete list of videos, visit our video library