Author Question: Which best describes the appearance of an asteroid? a. spherical in shape and covered with ... (Read 63 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
Which best describes the appearance of an asteroid?
 
  a. spherical in shape and covered with craters
  b. spherical in shape with a volcanic surface
 c. irregular in shape and covered with craters
  d. irregular in shape with a volcanic surface
 e. spherical in shape and smooth, dusty surface

Question 2

The luminosity of a star is the ____.
 
  a. total energy radiated by the star at 100 parsecs
  b. total energy radiated by the star
 c. total energy radiated by the star in one second
  d. average energy radiated by the star in one month
  e. average energy radiated by the star in one year



asware1

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

c

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

For a complete list of videos, visit our video library