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The Astronomical Seasons Calculator

The Astronomical Seasons Calculator

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This resource is a tool that calculates the time and date of the March equinox, the June solstice, the September equinox and the December solstice at any geographic location of your choice.

Subject:
Science
Material Type:
Interactive
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
Autumnal Equinox - Fall Equinox

Autumnal Equinox - Fall Equinox

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This resource is an article explaining the fall equinox. This resource allows you to enter any city into the article for a precise date and time of the upcoming equinox.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
Seasons: Meteorological and Astronomical

Seasons: Meteorological and Astronomical

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This resource is an article explaining that there are meteorological and astronomical seasons, both marked by specific weather conditions, temperatures or lengths of the days.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What Causes Season's on Earth?

What Causes Season's on Earth?

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This resource is an article explaining that seasons happen because the earth spins around its own axis which is tilted at an angle of about 23.4 degrees. Because of this axil tilt, different parts of the earth point toward or away from the sun at different times of the year.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What are Eclipses?

What are Eclipses?

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This resource is an article explaining that an eclipse is an astronomical event where one celestial body partially or totally covers another celestial body.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What are Solar Eclipses?

What are Solar Eclipses?

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This resource is an article explaining that solar eclipses happen when the moon moves between sun and earth, blocking the sun's rays and casting a shadow on earth.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is a Blood Moon?

What is a Blood Moon?

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This resource is an article explaining that a blood moon is sometimes used to describe 4 total lunar eclipses that occur in a row. The term also may have come from the reddish glow the full moon can take on when the earth casts its shadow on it and eclipses it.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is a Micromoon?

What is a Micromoon?

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This resource is an article describing a micromoon. A micromoon happens when there is a full moon or a new moon at the same time as the moon's approach to its apogee - the point in its orbit farthest away from the Earth.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is a Partial Lunar Eclipse?

What is a Partial Lunar Eclipse?

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This resource is an article explaining that a partial lunar eclipse happens when the earth moves between the sun and the moon, but they are not precisely aligned. Only part of the moon's visible surface moves into the earth's shadow.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is a Partial Solar Eclipse?

What is a Partial Solar Eclipse?

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This resource is an article explaining that partial solar eclipses happen when the moon comes between the sun and the earth but they don't align in a perfectly straight line. Because of this, the moon only partially covers the sun's disc.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is a Penumbral Lunar Eclipse?

What is a Penumbral Lunar Eclipse?

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This resource is an article explaining that a penumbral lunar eclipse takes place when the moon moves through the faint, outer part of the earth's shadow. This type of eclipse is often mistaken for a normal full moon.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is a Supermoon and When is the Next One?

What is a Supermoon and When is the Next One?

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This resource is an article explaining that a Supermoon is a full moon or a new moon at its closest point to earth; also called perigee. A Supermoon looks around 12 - 14% bigger than its counterpart, the micromoon.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is a Total Lunar Eclipse?

What is a Total Lunar Eclipse?

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This resource is an article explaining that a total lunar eclipse can get a deep red glow and it sometimes called a blood moon. Eclipses of the moon happen when the sun, earth and moon are aligned to form an exact or an almost straight line.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is a Total Solar Eclipse?

What is a Total Solar Eclipse?

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This resource is an article explaining that total solar eclipses occur when the moon comes between the sun and the earth and casts the darkest part of its shadow on earth. The darkest point of the eclipse is almost as dark as night.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is an Annular Solar Eclipse?

What is an Annular Solar Eclipse?

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This resource is an article explaining that an annular solar eclipse happens when the moon covers the sun's center, leaving the sun's visible outer edges to form a "ring of fire," or annulus around the moon.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019
What is the September Equinox?

What is the September Equinox?

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This resource is an article explaining that there are two equinoxes every year - in September and March - when the sun shines directly on the equator and the length of day and night is nearly equal.

Subject:
Science
Material Type:
Reading
Provider:
Time and Date
Author:
Time and Date
Date Added:
02/26/2019