A look at our nearest neighbor in

space!

The Moo

n

What is the Moon?

1. A natural satellite2. One of more than 96

moons in our Solar System

3. The only moon of the planet Earth

4. Named Luna

Location, location, location!

1. About 240,000 miles from Earth

• 2,155 miles in diameter (about ¼ the size of Earth)

The Moon’s Surface

1. No atmosphere2. No liquid water3. Extreme

temperatures– Daytime = 265°F– Nighttime = -310

F

Lunar Features - Craters1. Up to 2500 km (1,553 miles) across2. Most formed by meteorite impact on the Moon3. Some formed by volcanic action inside the

Moon

Movements of the Moon: About 28 days in the cycle

1. Revolution – Moon orbits the Earth every 27 1/3 days

2. The moon rises in the east and sets in the west

3. The moon rises and sets 50 minutes later each day

4. Rotation – Moon turns on its axis every 27 days

5. Same side of Moon always faces Earth

Far Side of the Moon1. First seen by Luna

3 Russian space probe in 1959

2. Surface features different from near side1. More craters

2. Thicker crust

It’s Just a Phase

1. Moonlight is reflected sunlight

2. Half the moon’s surface is always reflecting light

3. From Earth we see different amounts of the Moon’s lit surface

4. The amount seen is called a “phase”

Waxing and Waning

• New moon• Waxing Crescent

moon• First Quarter moon• Waxing Gibbous

moon• Full moon• Waning Gibbous

moon• Third Quarter moon• Waning Crescent

moon• New moon

1. Waxing- Lit side getting larger.

2. Waning- Lit side getting smaller.

What you see in the boxes is the view of the Moon as WE SEE IT FROM EARTH!!

Moon Phase Animation Links

• http://www.noao.edu/education/phases/phases_demo.html#ani

• http://www.valdosta.edu/~cbarnbau/astro_demos/frameset_moon.html

• Interactive cartoon animation: – http://www.wonderville.ca/v1/activities/

phases/phases.html

Lunar Eclipses

1. Moon moves into Earth’s shadow – this shadow darkens the MoonA. Umbra

B. Penumbra

2. About 2-3 per year

3. Last up to 4 hours

Partial Lunar Eclipse of June 26 ; Total Lunar Eclipse of December 21

Umbra

• Umbra-1. Umbra-a region of the shadow where the Earth blocks all direct sunlight from reaching the Moon.

2. Penumbra-a region of shadow where the Earth blocks part but not all of the Sun's rays from reaching the Moon

Lunar Eclipse

Directions: Label the lunar eclipse below. Label each of the highlighted terms below. Earth - the planet on which we live.

Moon - the natural satellite of the Earth. Penumbra - the area in which the shadow of an object (in this case, the Earth on the moon) is partial. Sun - the star in our Solar System. Umbra - the area in which the shadow of an object (in this case, the Earth on the moon) is total. When the entire moon is in the Earth's umbra, we experience a total lunar eclipse. When part of the moon is in the Earth's

umbra, we experience a partial lunar eclipse.

Solar Eclipses1. Moon moves

between Earth and Sun

2. Moon casts a shadow on part of the Earth

3. Total eclipses rare – only once every 360 years from one location!

1. Umbra- a region of the shadow where the Earth blocks all direct sunlight from reaching the Moon.

2. Penumbra- a region of shadow where the Earth blocks part but not all of the Sun's rays from reaching the Moon

• The next solar eclipse that can be seen in the U.S. will be Aug 21, 2017 and will go from Oregon to South Carolina.

Earth - the planet on which we live. Moon - the natural satellite of the Earth.Penumbra - the area in which the shadow of an object (the moon on the Earth) is partial, and the area in which a partial solar eclipse is experienced. Sun - the star in our Solar System. Umbra: the area in which the shadow of an object (the moon on the Earth) is total, and the area in which a total solar eclipse is experienced.

The Tides

1. Tides caused by pull of Moon’s gravity on Earth

2. High tide –1. Side facing Moon and side away from Moon

2. Every 12 hours, 25 ½ minutes

3. Low tide –1. On sides of Earth

Exploring the Moon

1. 1950s to 1960s - probes

2. Neil Armstrong First man on the Moon – July 20, 1969

3. Six Apollo missions (1969-1972) 842 lbs rocks

4. 12 Americans have walked on the moon

When will we return?

Moon base of the future?

• What would you need to live there?

Name this phase!

Full Moon

Name this phase!

First Quarter

Name this phase!

Waxing Crescent

Name this phase!

Waning Gibbous

Name this phase!

Third Quarter

Name this phase!

Waxing Gibbous

Name this phase!

Waning Crescent

What might be happening in this image?

Lunar Eclipse

Name this phase!

Look closely!

Waxing Gibbous

Name this phase!

Full Moon

Name this phase!

New Moon

Name this phase!

Waning Gibbous

Name this phase!

Waning Crescent

Photo resources• http://www.nasm.si.edu/apollo/AS15/a15images.h

tm• http://nssdc.gsfc.nasa.gov/photo_gallery/photogall

ery-moon.html#apollo• http://clementine.cnes.fr/index.en.html• http://cass.jsc.nasa.gov/pub/research/clemen/clem

en.html• http://spaceflightnow.com/news/n0108/15mooncre

ate/• http://seds.lpl.arizona.edu/nineplanets/nineplanets/

pxmoon.html

More photo resources

• http://www.nrl.navy.mil/clementine/clemovies/clemovies_index.html

• http://www.solarviews.com/eng/moon.htm• http://news.bbc.co.uk/1/hi/sci/tech/620649.stm• http://skyandtelescope.com/observing/objects/

eclipses/article_99_1.asp• http://lunar.arc.nasa.gov/results/ice/eureka.htm• http://www.space.com/scienceastronomy/

solarsystem/moon_nss_020604.html