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

Author Question: During its formation, Mars cooled quickly because it is a small planet. a. True b. False ... (Read 134 times)

pragya sharda

  • Hero Member
  • *****
  • Posts: 566
During its formation, Mars cooled quickly because it is a small planet.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Why is the production of iron important for understanding the explosion of massive stars?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

patma1981

  • Sr. Member
  • ****
  • Posts: 292
Answer to Question 1

True

Answer to Question 2

Iron nuclei do not produce energy when they fuse, so iron cannot support the weight of the star, or produce heavier elements. The production of iron removes support for the outer layers of the star, causing the core to collapse.





 

Did you know?

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

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?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library