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Lunar and Solar Eclipses, the Moon Phases, and the Tides
Transcript of Lunar and Solar Eclipses, the Moon Phases, and the Tides
The New Moon occurs when there is an alignment between the Earth, Moon, and Sun.
The Moon is positioned between the Earth and the Sun.
The half we cannot see, or the illuminated portion of the Moon, is on the back side pointing towards the Sun.
The full moon phase of the moon is when the lighted side of the moon is facing Earth.
When this occurs the moon, the sun, and Earth are nearly alined.
In this alinement, Earth is in the middle and the sun's light is reflected off of the moon, which is why it looks so bright.
The phase of the moon that is called First Quarter is when the right side of the moon appears lit up and the left side of the moon appears to be dark.
During the time between the New Moon and The First Quarter Moon, the lit side of the moon (right) grows larger and larger until it becomes a Full Moon.
The Waning Gibbous occurs after the Full Moon but before the last Quarter Moon.
The amount of the Moon the that is visible to us grows smaller and smaller by day.
The word "Waning" means decreasing, or going smaller.
In most places there are two low and two high tides a day.
The height of the tides and their shift depend on:
the shape of the beach
the angle of the seabed to the land
the ocean currents and winds
The Third Quarter or Last Quarter phase of the moon is the opposite of the First Quarter phase.
In this case, the left side of the moon is lit up and the right side is dark.
During the time between the Full Moon and the Third Quarter the lit side of the moon (left) appears to grow smaller and smaller it reaches the New Moon phase, then the cycle starts over again.
The Waxing Gibbous occurs after the First Quarter and before the Full Moon.
The amount of the Moon that is visible to us grows increasingly by day.
The word "Waxing" means increasing, or growing larger.
This phase of the moon is called the Waning Crescent.
This phase occurs after the Third Quarter phase and is part of the affect of the light side of the moon in that phase growing smaller.
It will do so until it reaches the New Moon which occurs right after it.
The revolving of the Moon around the Earth makes the Moon appear as if it is changing shape in the sky. This is caused by the different angles from which we see the bright part of the Moon's surface. These are called "phases" of the Moon.
The Waxing Crescent occurs after the New Moon but before the First Quarter. Until the Moon appears to be a First Quarter, it will grow larger each day.
Tides are the alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun.
A solar eclipse is when the moon moves directly in front of the sun, blocking it, and keeping its light from reaching earth.
There are three types of solar eclipses; total, annular, and partial.
A partial solar eclipse is when the Moon only covers part of the solar disc.
A total solar eclipse is when the Moon appears to cover the entire solar disc.
Finally, during an annular eclipse, the sun looks like an "annulus" or ring.
A lunar eclipse occurs when the Moon is full. It happens when the Moon passes through a portion of the Earth's shadow. There are three types of lunar eclipses;
a penumbral lunar eclipse
a partial lunar eclipse
a total lunar eclipse.
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"Tides and Water Levels." NOAA National Ocean Service Education:. N.p., n.d. Web. 09 June 2015.
"Understanding The Moon Phases." Moon Phases / Lunar Phases Explained. N.p., n.d. Web. 09 June 2015.
"Lunar Eclipses for Beginners." Lunar Eclipses for Beginners. N.p., n.d. Web. 09 June 2015. <http://www.mreclipse.com/Special/LEprimer.html>.
"Solar Eclipses - Enchanted Learning Software." Solar Eclipses - Enchanted Learning Software. N.p., n.d. Web. 09 June 2015. <http://www.enchantedlearning.com/subjects/astronomy/sun/solareclipses.shtml>.
There are also three stages of a solar eclipse. These three stages are Bailey's, diamond ring, and totality.
The Bailey's bead stage is bead-like bursts of light that appear about 15 seconds before and after totality during a solar eclipse.
The diamond ring stage is a large burst of light that appears a few seconds before and after totality.
Finally, the totality stage is the short part of an eclipse (only lasts a few minutes) when the moon entirely blocks the Sun.
A penumbral lunar eclipse occurs when the Moon passes through the Earth's penumbral shadow.
A partial lunar eclipse occurs a portion of the Moon passes through Earth's umbral shadow.
A total lunar eclipse occurs when the entire Moon passes through Earth's umbral shadow.
The Stages of a Solar Eclipse
Types of Lunar Eclipses
By Jaylin Bodell, Abby Burke, Kaya Fox