« previous next »

Author Question: How are surfaces of Mercury and the Moon similar? Different? Why? What will be an ideal ... (Read 116 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
on: Jul 27, 2018
How are surfaces of Mercury and the Moon similar? Different? Why?
 
  What will be an ideal response?

Question 2

What evidence tells us that quasars are the centers of distant galaxies?
 
  A) Rapid variations in quasar luminosity tell us that they must be quite small in size.
  B) Quasars are extremely luminous.
  C) All quasars have large redshifts.
  D) Images and spectra show quasars to be embedded at the centers of distant galaxies.


shewald78

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 27, 2018
Answer to Question 1

Both are airless worlds with many ancient impact craters. On our Moon, the tides of Earth drew out the mare on the Earth side, while Mercury's lava flows were much less extensive than the mare. But as its core cooled and shrank, Mercury's crust developed huge scarps, great wrinkles that run for hundreds of miles.

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

bclement10

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 27, 2018
Thank you!


shewald78

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Honey Moon Honey Moon
The Moon During the Day The Moon During the Day
Geology on Mercury Geology on Mercury
The Pyramid of the Moon, looking north up the Avenue of the Dead. The Pyramid of the Moon, looking north up the Avenue of the Dead.
The Number of Children Americans Think Are Ideal The Number of Children Americans Think Are Ideal
Phases of the Moon Phases of the Moon
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library