Solar System

Question 1

Subduction

Answer 1

• forces disequilibrium
• initiates melting
• puts volatiles into mantle
• releases volatiles from mantle

Question 2

Nucelosynthesis

Answer 2

• star formation
• stars are element factories
• fusion in stars creates heavier and heavier elements
• when stars die/explode/merge elements released into universe

Question 3

Molecular Clouds

Answer 3

• solar systems form from giant molecular clouds
• condensation of elements into minerals/molecules from gas

Question 4

Produced:

Answer 4

4 rocky inner planets, 4 gas giants, many ice moons

Question 5

Late Heavy Bombardment

Answer 5

Surge in cratering impacts that occurred about 3.8 billion years ago