Science Solar eclipse: What's a 'hybrid' eclipse and how does it work? (+video)

Solar eclipse watchers know that Sunday's 'hybrid' solar eclipse comes around only once in 159 years. A hybrid solar eclipse happens when one kind of eclipse morphs into another.

By , Staff writer

Gary Hershorn/Reuters

The solar eclipse that began Sunday at dawn in North America and ends just before the eastern African sunset is a sort of eclipse that has not been seen on Earth for nearly 160 years and won't be seen again for nearly another 160 years – in 2172.