22.3
How does crater density relate to the moon's geologic history?
High crater density is associated with older surfaces
How old is the moon?
about the same age as Earth
The oldest features on the moon are ____.
highlands
What formed the craters on the Moon?
impacts from objects in space
What formed the maria on the Moon?
lava flowing up through the Moon's crust
Maria on the moon's surface were formed by ancient
lava flows
Which lunar landscape features appear darkest to the naked eye as viewed from earth?
maria
the circle with the rays shoting out is a
maria
Which is the correct order for the pictures to explain the giant impact hypothesis for the Moon's formation?
something hit earth, pieces floated around + came together to make moon
Which statement supports the giant-impact hypothesis of the moon's formation?
the moon lacks a sizeable iron core