1. How many states could see the total solar eclipse? 2. When was the last time U.S. saw a total solar eclipse? 3. The distance frorn the Earth to the Sun is about times more than the distance from the Earth to the Also, the diarneter of the is about 400 times larger than the Moon. 4. How can you stay safe during an eclipse?
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1. The next total solar eclipse will cover three countries, including 11 U.S. states and five Canadian provinces (if you count the northwestern tip of Nova Scotia).
2. The last time anyone in mainland US saw a total eclipse of the Sun was on February 26, 1979. If you live in the US and missed this event, you'll have to wait until April 8, 2024 to see a total solar eclipse from a location in the contiguous United States
3. Bottom line - The sun's diameter is about 400 times larger than that of the moon – and the sun is also about 400 times farther from Earth. So the sun and moon appear nearly the same size as seen from Earth.
4.
*Do not look directly at the sun
*Do not use homemade filters or ordinary sunglasses, even very dark sunglasses.
*Use special-purpose solar filters, such as eclipse glasses or handheld solar viewers, to view the eclipse
*Read and follow filter instructions and supervise children.
*In any stage of eclipse, do not look at the sun through a camera, telescope, binoculars or other optical device, and never use solar filters with these devices, as concentrated solar rays will damage them and can cause serious eye injury.
*Inspect your solar filter before use; if it is scratched or damaged, discard the filter.
*Pinhole projection is a safe way to view the sun in indirect fashion; Exploratorium provides instruction on "How to Build a Sun Viewer" and other methods of safely viewing the sun.