Author Question: Which best describes the appearance of an asteroid? a. spherical in shape and covered with ... (Read 62 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?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

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?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The average adult has about 21 square feet of skin.

For a complete list of videos, visit our video library