Author Question: Why is it believed that the rings of Saturn could not have formed just as the planet itself formed? ... (Read 310 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
Why is it believed that the rings of Saturn could not have formed just as the planet itself formed?
 
  a. Over time the solar wind should have blown away the particles in the rings.
  b. The particles in the rings should fall into the planet in a short period of time.
  c. The rings are made of ice particles which would have been vaporized by the heat released as Saturn formed.
  d. The outer planets do not have enough mass to hold on to the rings.

Question 2

What causes the geological activity seen on some of the inner moons of Jupiter?
 
  a. Constant collisions with space debris provide a power source for geological activity.
  b. The strong magnetic field of Jupiter heats the surface of the inner moons.
  c. Tidal friction as a result of being so close Jupiter heats their interiors.
  d. Solar radiation reflected of Jupiter's surface provides a power source for geological activity.



perkiness

  • Sr. Member
  • ****
  • Posts: 348
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?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

For a complete list of videos, visit our video library