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

Author Question: What is the basic definition of a black hole? A) any compact mass that emits no light B) a dead ... (Read 57 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
on: Jul 27, 2018
What is the basic definition of a black hole?
 
  A) any compact mass that emits no light
  B) a dead star that has faded from view
  C) any object from which the escape velocity exceeds the speed of light
  D) any object made from dark matter
  E) a dead galactic nucleus that can only be viewed in infrared

Question 2

Much of the land on the west coast of North America began as volcanic islands in the Pacific.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

reelove4eva

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


awywial

  • Member
  • Posts: 577
Reply 2 on: Jul 27, 2018
Gracias!

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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.

Assessment of Light Touch Assessment of Light Touch
The Making of Black Harlem The Making of Black Harlem
A “reduced power” warning light indicates a fault with the electronic throttle control system on ... A “reduced power” warning light indicates a fault with the electronic throttle control system on ...
Basic Amino acids Basic Amino acids
A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ... A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ...
How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ... How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ...
Video: Gastrin (gastric emptying) & Secretin (buffering gastric acid)

For a complete list of videos, visit our video library