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Eclipses Data First Model Later

Lunar Eclipse

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A student paper on various types of eclipses.

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Page 1: Lunar Eclipse

EclipsesEclipses

Data FirstModel Later

Page 2: Lunar Eclipse

Annular Eclipse of the Sun

Page 3: Lunar Eclipse

Total Eclipse of the Sun

Page 4: Lunar Eclipse

Total Eclipse of the Sun

Page 5: Lunar Eclipse

Total Eclipse of the Sun

Page 6: Lunar Eclipse

Partial Eclipse of the Sun

Page 7: Lunar Eclipse

Partial Eclipse of the Sun

Page 8: Lunar Eclipse

Partial Eclipse of the Sun

Page 9: Lunar Eclipse

Total Eclipse of the Sun

Page 10: Lunar Eclipse

Partial Eclipse of the Sun

Page 11: Lunar Eclipse

Partial Eclipse of the Sun

Page 12: Lunar Eclipse

Partial Eclipse of the Sun

Page 13: Lunar Eclipse

Total Eclipse of the Moon

Page 14: Lunar Eclipse

Total Eclipse of the Moon

Page 15: Lunar Eclipse

Total Eclipse of the Moon

Page 16: Lunar Eclipse

Total Eclipse of the Moon

Page 17: Lunar Eclipse

Partial Eclipse of the Moon

Page 18: Lunar Eclipse

Partial Eclipse of the Moon

Page 19: Lunar Eclipse

Partial Eclipse of the Moon

Page 20: Lunar Eclipse

Partial Eclipse of the Moon

Page 21: Lunar Eclipse

Solar LunarJuly 11, 1991

Jan 4, 1992

Jun 30, 1992

Dec 24, 1992

May 21, 1993

Nov 13, 1993

May 10, 1994

Nov 3, 1994

Apr 29, 1995

Oct 24, 1995

Jun 27 & Jul 26, 1991

Dec 21, 1991

Jun 15, 1992

Dec 9, 1992

Jun 4, 1993

Nov 29, 1993

May 25, 1994

Nov 18, 1994

Apr 15, 1995

Oct 8, 1995

Page 22: Lunar Eclipse

Solar LunarOct 24, 1995

Apr 17, 1996

Oct 12, 1996

Mar 9, 1997

Sep 2, 1997

Feb 26, 1998

Aug 22, 1998

Feb 16, 1999

Aug 11, 1999

Feb 5, 2000

Oct 8, 1995

Apr 4, 1996

Sep 27, 1996

Mar 24, 1997

Sep 16, 1997

Mar 13, 1998

Aug 8 & Sep 6, 1998

Jan 31, 1999

Jul 28, 1999

Jan 21, 2000

Page 23: Lunar Eclipse

Lunar Eclipse

Full

Opposition

at Night

Solar Eclipse

New

Conjunction

Daytime

Page 24: Lunar Eclipse

July 11, 1991

Page 25: Lunar Eclipse

July 11, 1991

Page 26: Lunar Eclipse

July 11, 1991

Page 27: Lunar Eclipse

May 10, 1994

Page 28: Lunar Eclipse

May 10, 1994

Page 29: Lunar Eclipse

May 10, 1994

Page 30: Lunar Eclipse

EclipsesEclipses

Data FirstNow Model

Page 31: Lunar Eclipse

Solar EclipseMoon Blocks Sun

Moon Casts a Shadow on Earth

Page 32: Lunar Eclipse

Lunar EclipseEarth Blocks Sun from Moon

Moon Passes Through Earth’s Shadow

Page 33: Lunar Eclipse
Page 34: Lunar Eclipse

Earth Bigger than SunShadow Bigger than Earth

Shadow 2x MoonSun 20x MoonCan't Be True

Page 35: Lunar Eclipse

Earth Smaller than SunShadow Smaller than Earth

Shadow 2x MoonSun 20x Moon

Earth Smaller than Sun

Earth > 1/10 SunEarth 1/7 Sun

Really 1/109 Sun

Page 36: Lunar Eclipse

UmbraPenumbra

Page 37: Lunar Eclipse
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Page 39: Lunar Eclipse

Waxing Gibbous

Page 40: Lunar Eclipse

Waxing Crescent

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Page 42: Lunar Eclipse
Page 43: Lunar Eclipse

The Earth’s UmbraThe Earth’s UmbraSolid Earth blocks direct sunlight.Earth’s atmosphere bends light.Earth’s atmosphere scatters blue light.Only red light fills the umbra.

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Page 50: Lunar Eclipse
Page 51: Lunar Eclipse
Page 52: Lunar Eclipse

Annular Eclipse of the Sun

Page 53: Lunar Eclipse

Total Eclipse of the Sun

Page 54: Lunar Eclipse
Page 55: Lunar Eclipse

How often new moon?

How often full moon?

Why are there only

eclipses every 6

months?

Page 56: Lunar Eclipse

Lunar Eclipse

Full

Opposition

at Night

Solar Eclipse

New

Conjunction

Daytime

On EclipticAt Node

Page 57: Lunar Eclipse
Page 58: Lunar Eclipse

Eclipse Frequency

+

Page 59: Lunar Eclipse

Eclipse Frequency

+

+

Page 60: Lunar Eclipse

Eclipse Frequency

+

+

+

Page 61: Lunar Eclipse

Eclipse Frequency

+

+

+

+

Page 62: Lunar Eclipse

Eclipse Frequency

+

+

+

+

+

Page 63: Lunar Eclipse

Solar LunarFeb 5, 2000

Jul 1 & 31, 2000

Dec 25, 2000

Jun 21, 2001

Dec 14, 2001

Jun 10, 2002

Dec 4, 2002

May 31, 2003

Nov 23, 2003

Apr 19, 2004

Jan 21, 2000

Jul 16, 2000

Jan 9, 2001

Jul 5, 2001

Dec 30, 2001

May 26 & Jun 24, 2002

Nov 20, 2002

May 16, 2003

Nov 9, 2003

May 4, 2004

Page 64: Lunar Eclipse

Solar LunarApr 19, 2004

Oct 14, 2004

Apr 8, 2005

Oct 3, 2005

Mar 29, 2006

Sep 22, 2006

Mar 19, 2007

Sep 11, 2007

Feb 7, 2008

Aug 1, 2008

May 4, 2004

Oct 28, 2004

Apr 24, 2005

Oct 17, 2005

Mar 14, 2006

Sep 7, 2006

Mar 3, 2007

Aug 28, 2007

Feb 21, 2008

Aug 16, 2008

Page 65: Lunar Eclipse

Ancient AstronomyAncient AstronomySun/Moon/Earth

Phases

Eclipses

Solar

Lunar

Planets

Retrograde

Prograde

Heliocentric

Geocentric