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 80 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?

Everyone has one nostril that is larger than the other.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library