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

Author Question: Which of the following objects is considered to possibly contain a black hole? a. the central ... (Read 38 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
Which of the following objects is considered to possibly contain a black hole?
 
  a. the central star of the Crab nebula
  b. the Orion nebula.
  c. LMC X-3
  d. Algol
  e. PSR 1257+12

Question 2

The ___________________ _ of a telescope is determined by the size of the primary lens or mirror.
 
  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

Loise Hard

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

c

Answer to Question 2

light-gathering power




appyboo

  • Member
  • Posts: 527
Reply 2 on: Jul 27, 2018
:D TYSM


Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

For a complete list of videos, visit our video library