Eclipses 2 main types

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Presentation transcript:

Eclipses 2 main types

Solar Eclipse moon passes between Earth and the sun moon passes between Earth and the sun moon’s shadow is cast on earth. moon’s shadow is cast on earth. Can only occur at New Moon Can only occur at New Moon

Total Eclipse- moon completely covers the sun moon completely covers the sun

The total effect Eclipse in Middle East

Annular Eclipse

When was the last total solar eclipse? Nov. 14, 2012 in Australia Nov. 14, 2012 in Australia total eclipses are only visible in narrow bands total eclipses are only visible in narrow bands

Partial Eclipse Moon only partially blocks the sun. Moon only partially blocks the sun. Visible over much broader path than total eclipse Visible over much broader path than total eclipse

Future Solar Eclipses

Do I see a total or partial eclipse? It depends on the shadows… Penumbra - Faint outer shadow; partial eclipses are seen in these shadows. Penumbra - Faint outer shadow; partial eclipses are seen in these shadows. Umbra- Dark inner shadow; total eclipses are seen from within the umbra. Umbra- Dark inner shadow; total eclipses are seen from within the umbra.

penumbra UMBRA

Penumbra and umbra

What is a Lunar eclipse? Occurs at full moon when Earth is directly between the moon and the sun. Occurs at full moon when Earth is directly between the moon and the sun. Earth’s shadow falls on the moon Earth’s shadow falls on the moon

Lunar Eclipse Effects are quite subtle unless there is a total lunar eclipse. Effects are quite subtle unless there is a total lunar eclipse.