Earth’s MoonEarth’s MoonChapter 19 Section 4

Pages 659-664

Chapter 19 Section 4

Pages 659-664

• ¼ Earth’s Diameter

• Density is similar to Earths.

• Gravity is 1/6 of Earths.

• Moon rotation= the orbit period– We see the same

side of the moon.

Lunar Specs

Features of the Moon

Maria: Latin for seasGalileo thought they might be oceans. They are dry areas that were once flooded with molten material.Basaltic Rock.

A. Sea of SerenityB. Sea of Tranquility

-Apollo 11

Features of the Moon

Highlands:Brighter regions of the moon.

Lighter in color

Craters: round pits that cover the moon. Created by

meteoroid impacts

Features of the Moon

Maria: Latin for seasGalileo thought they might be oceans. They are dry areas that were once flooded with molten material.Basaltic Rock.

Highlands:Brighter regions of the moon.

Lighter in color

Craters: round pits that cover the moon. Created by

meteoroid impacts

A. Sea of SerenityB. Sea of Tranquility

-Apollo 11

Features of the Moon

Impact Theory

1. A large object struck Earth.

2. Material from Earth’s outer layer is broken off by the collision.

3. Material from the object and Earth is thrown out into orbit.

4. Material in orbit forms the Moon.

The Moon’s Origin

• In 1961 John F. Kennedy launched an enormous Space Exploration and Scientific Research Program

Race to the Moon

Exploring the Moon – 1964- 1972US and Soviet Union sent rockets to the Moon.Surveyor was the first Lunar Landing.

Missions to the Moon

The Moon Landings- Apollo 11 1969Neil Armstrong and Buzz Aldren were in the Lunar Module The Eagle.

Michael Collins stayed in the Command Module

July 20th 1969 “The Eagle has Landed”Apollo missions studied the surface of the moon by collecting lunar rocks and regolith (lunar soil).

Missions to the Moon

Developed by NASAA reusable space craft.First Launch 1981

The Space Shuttle

Exploded 2 minutes after life offCrew of 7

Challenger

Columbia

-A large satellite in which people can live for long periods.-1. Salyat- 1971 Soviet-2. Skylab 1973- US-3. Mir- 1986 Soviet-4. International Space Station- an international effort.-Used to conduct research and experiments in space.

Space Stations