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Astronomy: Eclipse 2017

August 21, 2017 Solar Eclipse

On Aug. 21, 2017, a total solar eclipse will pass over the United States. The path of totality is located within one day's drive of Terre Haute and Indiana State University. In Terre Haute, 91% of the sun will be covered at maximum. "Baily’s beads" and the "diamond ring" effect will not be visible from Terre Haute.

Let's hope for clear skies. Remember that while Terre Haute, IN, is in Eastern time,  Illinois and parts of Kentucky are in Central time. So make sure you know the right time for your area!

Read below to learn more.

About Eclipses

Solar eclipse Lunar eclipse

Do NOT look at the sun without proper protection. You can damage your eyes.
(Ordinary sunglasses are not proper protection.)

An eclipse is a situation amongst three astronomical objects in which one moves between the other two creating a shadow, effectively blocking the view of the first astronomical object from the third astronomical object. A solar eclipse is when the moon moves between the Earth and the sun, totally blocking the view of the sun from those on Earth who are within the moon's shadow. A lunar eclipse is when the Earth is between the moon and the sun, blocking the view of the sun from the moon (if you happened to be on the moon).

Solar eclipses happen periodically. However, each individual solar eclipse impacts only a relatively small portion of the Earth. They also rarely occur nearby to where YOU are so that you can easily witness it for yourself.

You may find out what is known about eclipses within the information sources such as books, journal articles, newspapers, websites, and other forms of communication. An eclipse is also known as an occultation. If you search for information, try searching that word, too.

 

Below are some links to information about the 2017 total solar eclipse.

Google Web Search

Links about Eclipses

Solar Eclipse of April 8, 2024

On April 8, 2024, a total solar eclipse will pass over the United States. The path of totality will include Terre Haute and Indiana State University. 

Eclipse Books

America's Coast-to-Coast Total Solar Eclipse 2017

Harvard University (1:10:14)

Harvard professors provide a quite lengthy but interesting and thorough explanation of eclipses and man's history of observing eclipes.

Solar Eclipse of August 21, 2017

On Aug. 21, 2017, a total solar eclipse will pass over the United States. The path of totality is located within one day's drive of Terre Haute and Indiana State University. 

Let's hope for clear skies. Remember that while Terre Haute, IN, is in Eastern time,  Illinois and parts of Kentucky are in Central time. So make sure you know the right time for your area!

5 ways to safely view the 2017 total solar eclipse

NASA Goddard Eclipse 2017 Playlist

Video Databases - Eclipse Videos

Playlists below include clips from the ISU video databases which explain or are related to eclipses. Some are about the science and some include portrayals of eclipses from dramatic film. 

You, too, can create playlists of films or film clips on topics which interest you. Create a personal account in order to create playlists.

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Injuries to Eyes

MEDLINE Subject Headings (MeSH) that can be used to search for eye damage from looking at an eclipse include:

Radiation Injuries/
Retina/radiation effects 
Sunlight/adverse effects 
Ultraviolet Rays/adverse effects 
Radiation Injuries
Eye Burns/
Fovea Centralis/*radiation effects 
Retina/*injuries 
Macula Lutea/*radiation effects 

Keyword searches may include 

solar maculopathy
solar retinopathy

Known Eclipse TV Programming

Google Eclipse 2017 Searches

Google Web Search
Google Book Search
Google Scholar Search