The Saros Cycle

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Would it surprise you to hear the solar eclipses repeat?

Now, I know we can’t go back in time to see past eclipses, and once the date of an eclipse—say, March 7, 1970—has passed, that date will never come again. It’s simple reality, and we’re all aware of time’s passing.

But as you’ll soon realize through these astronomy posts, astronomy is full of repeating cycles. And one of those is the saros cycle, or simply the “saros.” It’s an eclipse prediction cycle, and after every one, the same eclipse occurs again.

But how?

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The Eclipse Seasons

solar eclipse

There can be no doubt that solar and lunar eclipses are some of the most fascinating sights for the “naked” eye. (And I say “naked” under the assumption that you know never to look directly at the sun without approved protection!)

Unless it’s during totality. Then you can take those glasses off.

But what I mean is, solar and lunar eclipses don’t require telescopes or binoculars to be seen. You don’t need to use any special equipment. You just need your eyes, and in the case of a solar eclipse, some form of protection—like solar glasses.

You may have noticed that when a solar eclipse comes up—or even a lunar eclipse—it’s all the rage. Suddenly, the media is swamped with safety warnings and calendar countdowns to the big event.

The United States just about lost its mind over the solar eclipse of August 21, 2017. And I have a feeling the next total solar eclipse to pass over the US, in seven years, will be just as dramatic.

But you might also be wondering…how do we know when these incredible sights are going to happen?

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