8/26/17

Many people stopped to watch the moon block the sun on Monday, Aug. 21 through special glasses or homemade contraptions. Many of those same people are sick of hearing about the total eclipse. But, here is a interesting fact about solar eclipses:

“Total solar eclipses won’t be around forever

There will be no more total solar eclipses in about 600 million years, scientists say. Because of the moon’s slowly increasing orbit, NASA believes the moon will have moved far enough away from Earth in that timeframe that it will no longer be big enough to entirely cover the sun. “It will be too small in the sky,” said Dr. C. Alex Young, the associate director for science in the heliophysics science division at NASA’s Goddard Space Flight Center. The moon’s orbit is increasing by about 1.5 inches each year, Young added. The sun is also expected to expand slightly in the future but NASA has not yet seen a noticeable change, Young said. Partial eclipses will still exist in 600 million years.”

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