« previous next »

Author Question: Why is it believed that the rings of Saturn could not have formed just as the planet itself formed? ... (Read 305 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Extent of agricultural activity across the planet (data from Foley et al. 2005). Extent of agricultural activity across the planet (data from Foley et al. 2005).
Annual Rings Annual Rings
Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind
Jupiter’s and Saturn’s Upper Layers Jupiter’s and Saturn’s Upper Layers
Glacial deposits overlain by marine carbonates formed in very warm water Glacial deposits overlain by marine carbonates formed in very warm water
How are Muscles Formed? How are Muscles Formed?
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library