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 104 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?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Southern Royal Albatross, Diomedea epomophora, is a large seabird from the albatross family. Southern Royal Albatross, Diomedea epomophora, is a large seabird from the albatross family.
Pacific Black Duck at Austins Ferry, Tasmania, Australia Pacific Black Duck at Austins Ferry, Tasmania, Australia
Classifying the Spectra of Stars Classifying the Spectra of Stars
Examples of Impacts Associated with Different Amounts of Global Average Temperat Examples of Impacts Associated with Different Amounts of Global Average Temperat
Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ... Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ...
Viral single-strand DNA (circular) Viral single-strand DNA (circular)
Video: Cardiac Cycle (Part 3 of 4)

For a complete list of videos, visit our video library