3:34 PM3:34 PM 8.6 Eclipses Unit 8: Astronomy. 3:34 PM3:34 PM Vocabulary FAngular diameter: How far something appears based on its distance.

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Presentation transcript:

3:34 PM3:34 PM 8.6 Eclipses Unit 8: Astronomy

3:34 PM3:34 PM Vocabulary FAngular diameter: How far something appears based on its distance.

3:34 PM3:34 PM Vocabulary FAngular diameter: How far something appears based on its distance. FLunar eclipse: passing of the moon through the earth's shadow FAngular diameter: How far something appears based on its distance. FLunar eclipse: passing of the moon through the earth's shadow

3:34 PM3:34 PM Vocabulary FAngular diameter: How far something appears based on its distance. FLunar eclipse: passing of the moon through the earth's shadow Fpenumbra: light part of a shadow FAngular diameter: How far something appears based on its distance. FLunar eclipse: passing of the moon through the earth's shadow Fpenumbra: light part of a shadow

3:34 PM3:34 PM Vocabulary FAngular diameter: How far something appears based on its distance. FLunar eclipse: passing of the moon through the earth's shadow Fpenumbra: light part of a shadow Fumbra: dark part of a shadow FAngular diameter: How far something appears based on its distance. FLunar eclipse: passing of the moon through the earth's shadow Fpenumbra: light part of a shadow Fumbra: dark part of a shadow

3:34 PM3:34 PM Lunar Eclipse

3:34 PM3:34 PM Lunar Eclipse The sun’s light is being blocked.The sun’s light is being blocked.

3:34 PM3:34 PM Lunar Eclipse The sun’s light is being blocked.The sun’s light is being blocked. This occurs during a full moon phase.This occurs during a full moon phase.

3:34 PM3:34 PM Lunar Eclipse FA lunar eclipse occurs when the moon passes through the earth's shadow.

3:34 PM3:34 PM Total Lunar Eclipse FA total lunar eclipse occurs when the moon moves entirely into the earth's umbra.

3:34 PM3:34 PM

Partial Lunar Eclipse FA partial lunar eclipse occurs when part of the moon moves into the earth's umbra.

3:34 PM3:34 PM

Solar Eclipse  A solar eclipse occurs when the moon blocks the sun’s light on the Earth.

3:34 PM3:34 PM Solar Eclipse  A solar eclipse occurs when the moon blocks the sun’s light on the Earth.

3:34 PM3:34 PM Solar Eclipse  A solar eclipse occurs when the moon blocks the sun’s light on the Earth.  This is a new moon phase.

3:34 PM3:34 PM F Partial Solar Eclipse

3:34 PM3:34 PM Total Solar Eclipse

3:34 PM3:34 PM Apparent Size of Celestial Objects

3:34 PM3:34 PM Apparent Size of Celestial Objects  Event A has a great angular diameter.

3:34 PM3:34 PM Apparent Size of Celestial Objects  Event A has a great angular diameter.  Event B has a more diffuse shadow.

3:34 PM3:34 PM Closer objects look bigger

3:34 PM3:34 PM Total Solar Eclipse FA total eclipse occurs when the moon appear as large or larger than the sun.

3:34 PM3:34 PM Total Solar Eclipse

3:34 PM3:34 PM Annular Eclipse F An eclipse that occurs when the moon is at its apogee.

3:34 PM3:34 PM Annular Eclipse F An eclipse that occurs when the moon is at its apogee. FThe moon appears too small to block the sun. F An eclipse that occurs when the moon is at its apogee. FThe moon appears too small to block the sun.

3:34 PM3:34 PM Annular Eclipse

3:34 PM3:34 PM Eclipse Path FA total solar eclipse is visible from only a small area of the earth.

3:34 PM3:34 PM Eclipse Path FA total solar eclipse is visible from only a small area of the earth.  A partial solar eclipse is seen over a larger area of the earth than a total solar eclipse. FA total solar eclipse is visible from only a small area of the earth.  A partial solar eclipse is seen over a larger area of the earth than a total solar eclipse.

3:34 PM3:34 PM