« previous next »

Author Question: In the condensation theory of the Moon's origin a. the Moon broke from a rapidly spinning Earth ... (Read 44 times)

brutforce

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
In the condensation theory of the Moon's origin
 
  a. the Moon broke from a rapidly spinning Earth
  b. the Earth and its Moon formed from the same cloud of matter
  c. the Moon formed elsewhere in the solar nebula and was later captured by Earth.
  d. the Moon formed when a very massive planetesimal smashed into the young Earth.

Question 2

___________ can be used to determine the galaxy's mass if the galaxy is reasonably close so that the Doppler shift of the galaxy disk material can be measured at several distances from the galaxy's center relative to the center.
 
  a. The Hubble constant
  b. A galaxy's color
  c. A galaxy's rotation curve
  d. A galaxy's diameter
  e. The velocity dispersion method


jackie

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Cutaway Model of Earth Cutaway Model of Earth
Secondary response begins more rapidly after exposure to antigen, produces more antibodies, and ... Secondary response begins more rapidly after exposure to antigen, produces more antibodies, and ...
Earth’s orientation Earth’s orientation
Moon Moon
Theory of Plate Tectonics Theory of Plate Tectonics
Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ... Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ...
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library