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

Author Question: The search for black holes involves searching for a. single stars that emit large amounts of ... (Read 91 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

seeing


lindiwe

  • Hero Member
  • *****
  • Posts: 577
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Jossy

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

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?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Alligators are apex predators capable of killing large terrestrial prey. This large AAmerican alliga Alligators are apex predators capable of killing large terrestrial prey. This large AAmerican alliga
All objects in the image are distant galaxies – not stars All objects in the image are distant galaxies – not stars
Region of the Search for Extraterrestrial Intelligence Region of the Search for Extraterrestrial Intelligence
A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt
The process of learning to read involves physical and socioemotional development, changes in the ... The process of learning to read involves physical and socioemotional development, changes in the ...
The Scale of the Very Small and Very Large: Powers of 10 The Scale of the Very Small and Very Large: Powers of 10
Video: Miller's reaction chamber experiment Animation

For a complete list of videos, visit our video library