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 49 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

TheDev123

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Surface Tension Surface Tension
lower surface of Arabidopsis thaliana leaf, showing a trichome lower surface of Arabidopsis thaliana leaf, showing a trichome
Mercury’s Craters and Plains Mercury’s Craters and Plains
Moon and Earth Moon and Earth
Blood typing and cross-reactions. The blood type depends on the presence of surface antigens ... Blood typing and cross-reactions. The blood type depends on the presence of surface antigens ...
(A) A brisk half-moon stroke is an efficient technique to use with the body brush or exfoliation ... (A) A brisk half-moon stroke is an efficient technique to use with the body brush or exfoliation ...
Video: Chemical Buffers - protein buffer, phosphate buffer system and bicarbonate buffer system

For a complete list of videos, visit our video library