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

Author Question: The search for black holes involves searching for a. single stars that emit large amounts of ... (Read 102 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
The search for black holes involves searching for
 
  a. single stars that emit large amounts of X-rays.
  b. X-ray binaries where the compact companion has a mass in excess of 3 Mo.
  c. large spherical regions from which no light is detected.
  d. pulsars with periods less than one millisecond.
  e. pulsars that are orbited by planets.

Question 2

The ___________________ _ is a measure of the clarity of the atmosphere.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jossy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

b

Answer to Question 2

seeing



lindiwe

  • Hero Member
  • *****
  • Posts: 577
Both answers were spot on, thank you once again



Jossy

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

For a complete list of videos, visit our video library