The following is a guide to phenomena that occur before, during, and after annular and total eclipses of the Sun. If you’ve never experienced one or both these types of solar eclipses, this page will tell you what to expect, and when.| Solar Eclipse Across America
The International Organization for Standardization, or ISO (an acronym derived from the French version of the name), is a nongovernmental organization composed of members from the national standards bodies of 167 countries. (Here in the U.S., our national standards body is the American National Standards Institute, or ANSI.) ISO's headquarters are in Geneva, Switzerland. Through its numerous technical committees, subcommittees, and working groups, ISO coordinates the efforts of some 45,000 su...| Solar Eclipse Across America
Safety| eclipse2017.nasa.gov
Pinhole Projection| Solar Eclipse Across America
How to Use Solar Viewers | Indirect Viewing Methods | Do Solar Viewers Expire? | Cleaning Instructions | Welding Filters| Solar Eclipse Across America