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 41 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
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
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
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

For a complete list of videos, visit our video library