They are rare because totality only occurs on a narrow path of the Earth's surface, and in this case, it's a stretch of land 70 miles wide on the great US of A.
Experiencing a solar eclipse requires care: Looking at the sun during the eclipse - or at any other time - without the proper protective gear can cause eye damage, NASA said. If you have the opportunity to go see the total eclipse, do it!
How can I watch without the glasses?
Safety first! - Be certain to guide your children, and NEVER look at the sun without approved filters, even when the sun is nearly completely eclipsed. Yet the National Resources Defense Council reassures everyone that we don't have to worry about systems failing or homes going dark while the sun ducks behind the moon for a bit.
The city of Carbondale (USA) will be unique - there will be two total solar eclipses within seven years - in 2017 and 2024.
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Two local science organizations are offering help to people wondering how to observe the solar eclipse, which will impact all of the mainland United States on August 21.
In this handout image provided by National Astronomical Observatory of Japan, the solar eclipse is seen on July 22, 2009 near Iwojima Island, Tokyo, Japan. The last total eclipse that crossed the entire continent occurred on June 8, 1918 and the last time a total solar eclipse occurred exclusively in the USA was in 1778. This particular eclipse is a partial eclipse as viewed from New England.
Will start a solar Eclipse on August 21 at 21:26 local time. You know, the one we're supposed to wear to protect our eyes from the blazing sun. A telescope with a safe solar filter will offer direct viewing of the eclipse.
The Children's Museum will offer eclipse viewing from 1:20-4 p.m., weather permitting.
Don't expect to see this natural phenomenon with the naked eye. And, yes, San Francisco's infamous summertime morning marine layer could turn the eclipse that morning into a non-event.
Never look at an uneclipsed or partially eclipsed sun through an unfiltered camera, telescope or binoculars, even with solar eclipse glasses on. NASA also released a list of suggested manufacturers and retailers. Solar eclipse glasses will be provided to participants.