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

Author Question: When the parallax angle of a star is measured to be 0.002, the distance to the star is ________ ... (Read 120 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
When the parallax angle of a star is measured to be 0.002, the distance to the star is ________ light-years.
 
  Fill in the blank(s) with correct word

Question 2

Collisions between galaxies are thought to:
 
  A) have stopped about 5 billion years ago.
  B) be commonplace.
  C) have never occurred.
  D) be extremely rare.
  E) have only occurred between 10 and 15 billion years ago.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloud

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

1600

Answer to Question 2

B





 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library