Author Question: Once a protoplanet reached a large mass, what is the next step for it to formally grow into a ... (Read 20 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
Once a protoplanet reached a large mass, what is the next step for it to formally grow into a planet?
 
  a. gravitational collapse
  b. expanding
 c. accretion
 d. condensation
 e. slowing momentum

Question 2

The apparent magnitude of a star observed from a distance of 10 pc is called _____.
 
  Fill in the blank(s) with correct word



lcapri7

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

a

Answer to Question 2

absolute visual magnitude,



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library