The MoonThe MoonSection 1-4Section 1-4

Moon’s SurfaceMoon’s Surface

1609:1609: Italian Scientist Italian Scientist GalileoGalileo, built , built his own telescope to observe the his own telescope to observe the moon.moon.

He observed the following features:He observed the following features:

Maria: Maria: Dark areas on the MoonDark areas on the Moon

CratersCraters: Round “Pits”: Round “Pits”

HighlandsHighlands: Mountains: Mountains

He observed that the highlands cast He observed that the highlands cast shadowsshadows

Features on the MoonFeatures on the MoonMariaMaria: Dark flat areas on the Moon: Dark flat areas on the Moon

Possible lava flowsPossible lava flows

CratersCraters: formed by meteorites that strike the : formed by meteorites that strike the Moon…….(pits)Moon…….(pits)

HighlandsHighlands: Mountain ranges: Mountain ranges

Moon MissionsMoon Missions: July 1969 1: July 1969 1stst men men

on Moon. 12 men walked on the Moonon Moon. 12 men walked on the Moon

800 lbs of rocks800 lbs of rocks

StudiedStudied: moonquakes, heat flow, composition: moonquakes, heat flow, composition

Moon FactsMoon FactsSizeSize: diameter of Moon = distance across the : diameter of Moon = distance across the

U.S. (1/4 the Earth’s diameter)U.S. (1/4 the Earth’s diameter)

TemperatureTemperature: Day = 100 degrees C ( 212 F): Day = 100 degrees C ( 212 F)

Night = -170 degrees C (-270 F)Night = -170 degrees C (-270 F)

GravityGravity: 1/6 the Gravity of Earth: 1/6 the Gravity of Earth

180 lbs on earth = 30 lbs on the Moon180 lbs on earth = 30 lbs on the Moon

Distance of the MoonDistance of the Moon= 250, 000 miles= 250, 000 miles

Mass Mass = 1/8 earth= 1/8 earth

Other: No Air, No Water, No magnetic fieldOther: No Air, No Water, No magnetic field

FormationFormation: “ Collision theory”: “ Collision theory”

Images on the MoonImages on the Moon

Man on the Moon Rabbit on the MoonMan on the Moon Rabbit on the Moon

Woman on the MoonWoman on the Moon