Solar and Lunar Eclipses - PowerPoint Presentation

Slide1

Solar and Lunar Eclipses

By: Annette MilesSlide2

An eclipse is the casting of a _______ of one celestial body on the surface of another. The Earth’s shadow creates a _____ eclipse; the Moon’s shadow creates a _____ eclipse.

shadow

lunar

solarSlide3

A solar eclipse happens when the _____ blocks our view of the sun. This happens when the Moon is exactly between the Sun and the Earth during the _________ phase.

M

oon

new moon Slide4

The shadows cast during an eclipse have two parts: The penumbra and the umbra. The ________ is the faint _____ shadow. A _______ eclipse is visible from within this shadow.

penumbraouter

partialSlide5

The second part of the shadow is the ______. The umbra is the dark _____ shadow. A _____ eclipse is visible from within the

umbral shadow.

umbrainner

totalSlide6

How to draw a solar eclipse:

1) On a piece of paper, draw a Sun on the far left, an Earth on the far right, and a moon close to the Earth. All bodies need to be drawn in a straight line.Slide7

How to draw a solar eclipse:

2) Find a point at the top of the Sun and the top of the Moon. Using a ruler, draw a line to connect the points and continue line to the Earth.Slide8

How to draw a solar eclipse:

3) Now from the same point on the Sun, find the point at the center of the bottom of the moon and draw a line.Slide9

How to draw a solar eclipse:

4) Find the point at the center of the bottom of the Sun and draw the same two lines.Slide10

How to draw a solar eclipse:

5) Shade in the umbra, this one is shaded gray. Under this part of the shadow you would experience a total eclipse.Slide11

How to draw a solar eclipse:

6) Shade in the penumbra, this one is shaded pink. Under this part of the shadow you would experience a partial eclipse.Slide12

A total solar eclipse is very brief. It lasts only ______________. It is, however, one of the most awe inspiring events in all of nature. The sky becomes _____ and the temperature may _____ several degrees.

a few

minutesdark

drop Slide13

A dark disk replaces the Sun, but surrounding the Moon is a beautiful halo of light. This is the Sun’s ______.

coronaSlide14

Viewing a solar eclipse with the naked eye is very _________. The intense visible light from the Sun can cause damage to the retinas of your eyes. Only view a solar eclipse with proper eye protection.

dangerousSlide15

The next graphic shows the path for different solar eclipses through 2025. Notice there are two solar eclipses that cross the United States (2017 and 2024).Slide16
Slide17

A special feature during a total solar eclipse is called ____________. These are bead-like bursts of light that appear about _________ before and after totality during a solar eclipse.

Baily's beads

15 seconds Slide18

Baily's beads are caused by sunlight

shining through valleys on the edge of the _____. They roughly resemble a string of beads.

MoonSlide19

Another interesting feature during a solar eclipse is called a ____________. This is a large burst of light that appears a few seconds before and after totality.

“Diamond Ring”Slide20

Solar eclipses give scientists a unique opportunity to view features of our Sun. During an eclipse the Sun’s ______ and Sun’s __________ can be observed and studied.

corona

prominencesSlide21

Here a solar prominence is visible during a total solar eclipse. The prominence appears as a ___ cloud and consists of ionized ____ that is projecting above the surface of the sun.

red

gasSlide22

The moon’s orbit around the Earth is an _______ shape. If the eclipse happens during the moon’s apogee, its ______ distance from the Earth, the moon’s shadow is a bit smaller and the result is an _______ eclipse.

elliptical

farthest

annularSlide23

During an annular eclipse, an outer ring of the Sun will be ______ around the moon. The moon does not completely block out the sun.

visibleSlide24

This illustration shows an ________ shadow produced during this type of eclipse .

antumbraSlide25

The second type of eclipse is a lunar eclipse. A lunar eclipse occurs when the _____ passes through the shadow of the ______. This happens during a ____ moon.

A total lunar eclipse is only evident when the Moon is passing through the Earth’s umbral shadow.

Moon

E

arth

fullSlide26

During the total eclipse, the Moon is still _____. The Moon will actually become a variety of colors from deep black to rich shades of red. The red coloring comes from light from the sun that is _______ as it passes through the Earth’s

__________ and is bent toward the moon. That light reflects off the surface of the Moon and into our eyes on Earth.

visible

filtered

atmosphere Slide27

The red or copper color will only be seen as the shadow of the Earth _________ covers the Moon. See the progression of a total lunar eclipse.

completelySlide28

Unlike solar eclipses which last only a few minutes, a total lunar eclipse lasts over _______. The shadow from the Earth is _____ than the shadow that the Moon casts on the Earth during a solar eclipse.

an hour

largerSlide29

A

_______ lunar eclipse occurs when only part of the Moon passes through the umbra, or the darkest part of Earth’s shadow.

partialSlide30

How to draw a lunar eclipse:

1) On a piece of paper, draw a Sun on the far left, the Moon on the far right, and the Earth between the two. All bodies need to be drawn in a straight line.Slide31

How to draw a lunar eclipse:

2) Find a point at the top of the Sun and the top of the Earth. Using a ruler, draw a line to connect the points and continue line to the Moon.Slide32

How to draw a lunar eclipse:

3. Now from the same point on the Sun, find the point at the center of the bottom of the Earth and draw a line.Slide33

How to draw a lunar eclipse:

4) Find the point at the center of the bottom of the Sun and draw the same two lines.Slide34

How to draw a lunar eclipse:

5) Shade in the umbra, this one is shaded gray. Under this part of the shadow you would experience a total eclipse.Slide35

How to draw a lunar eclipse:

6) Shade in the penumbra, this one is shaded pink.Slide36

http://qcweather.blogspot.com/2012/05/solar-eclipse.html

http://csep10.phys.utk.edu/astr161/lect/time/eclipses.htmlhttp://www.eso.org/public/outreach/eduoff/vt-2004/mt-2003/mt-sun.htmlhttp://photos.masslive.com/masslivecom_photo_essays/2012/05/solar_eclipse_views_of_the_201.html

http://news.nationalgeographic.com/news/2012/11/pictures/121114-total-solar-eclipse-pictures-australia-space-science/#/08-boy-welders-mask-australia-eclipse_61242_600x450.jpghttp://library.thinkquest.org/3645/eclipses.html

http://blog.nasm.si.edu/astronomy/total-lunar-eclipse/

http://airandspace.si.edu/explore-and-learn/multimedia/detail.cfm?id=3084

http://csep10.phys.utk.edu/astr161/lect/time/eclipses_lunar.htmlhttp://apod.nasa.gov/apod/ap121111.htmlhttp://www.astro.uni-bonn.de/~dfischer/skyreports/tun05/all.htmlhttp://www.alpo-astronomy.org/eclipse/observeeclipses/chapter9.htm

RESOURCESSlide37

http://www.visualphotos.com/image/1x3746481/solar_prominence_a_solar_prominence_visible_during

http://sf.funcheap.com/solar-eclipse-san-francisco-2012/http://www.nasa.gov/mission_pages/sunearth/news/totaleclipse-20121113.html

http://www.bibalex.org/eclipse2006/AnnularEclipses.htmhttp://news.nationalgeographic.com/news/2012/05/120520-solar-eclipse-2012-ring-of-fire-annular-sun-science-how-see-where/http://www.skyandtelescope.com/about/pressreleases/Partial-151-and-Annular-151-Eclipse-of-the-Sun-to-Sweep-North-America-Sunday-May-20th-150977245.html

http://www.timeanddate.com/eclipse/solar-eclipse-january-15-2010.html

http://www.crystalinks.com/eclipse.htmlSlide38

http://www.classzone.com/books/earth_science/terc/content/visualizations/es2504/es2504page01.cfm?chapter_no=25

http://www.classzone.com/books/earth_science/terc/content/visualizations/es2505/es2505page01.cfm?chapter_no=25 http://www.brainpop.com/science/space/eclipse/

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