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 102 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
Excellent

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria. A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria.
This is a still image from an animation of ocean surface currents from June 2005 to December 2007 This is a still image from an animation of ocean surface currents from June 2005 to December 2007
Our Moon Our Moon
What are examples of ideal forms? What are examples of ideal forms?
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
My Shamrock Counting Book 2023 My Shamrock Counting Book 2023
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library