MondayOctober 4, 2010

(Lunar Craters and Regolith, The Space Race)

The Launch PadMonday, 10/4/10

Name the three leading hypotheses for lunar formation and denote the one that is now

the most widely accepted.On what basis is this one the most accepted?

Announcements ??

Assignment Currently Open Pages Date of Notes

on Website Date Issued Date Due

Earth’s Moon Craters

Craters are the most obvious features on the lunar surface.

Most craters are produced by an impact from a meteoroid that produces “ejecta.”

Occasionally craters will have “rays” (associated with younger craters)

Earth’s Moon

Crater Tycho) Rays

The Age of Bombardment

The Moon's Turbulent Youth

Earth’s Moon Lunar Regolith

Lunar regolith is a gray, unconsolidated debris that covers all lunar terrains.

Regolith is composed of Igneous rocks:Breccia

Glass beadsFine lunar dust

The “soil-like” layer is produced by eons of meteoric bombardment.

Lunar Regolith

The Race to the Moon