This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How does counting craters help us estimate the age of a moon's surface? What will be an ideal ... (Read 81 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
on: Jul 27, 2018
How does counting craters help us estimate the age of a moon's surface?
 
  What will be an ideal response?

Question 2

A star on the red giant branch has a core about the size of ________.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kiamars2010

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 27, 2018
Answer to Question 1

Surface bombardment was much heavier early in the solar system's history. A surface with few craters implies many, or all, of the early craters were covered up by lava flows or other activity. The fewer the craters and the smoother the surface, the younger we assume it to be. The smoothest surfaces are the youngest.

Answer to Question 2

the Earth


corkyiscool3328

  • Member
  • Posts: 539
Reply 2 on: Jul 27, 2018
Wow, this really help

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

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

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Binary fission and counting microbes. Binary fission and counting microbes.
The Sun's Surface The Sun's Surface
chitinous, exoskeletal surface of a male louse chitinous, exoskeletal surface of a male louse
View of the bottom surface of the human brain. View of the bottom surface of the human brain.
The Number of Children Americans Think Are Ideal The Number of Children Americans Think Are Ideal
Migration of Surface Cyclones Relative to Rossby Waves Migration of Surface Cyclones Relative to Rossby Waves
Video: Simple Diffusion - Ion transport

For a complete list of videos, visit our video library