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TheSpaceWriter's Ramblings

The Equinox is Upon Us!

19 Mar 2020, 22:00 UTC
The Equinox is Upon Us!
(200 words excerpt, click title or image to see full post)

Today, March 19, 2020, is the March equinox. Calendrically speaking, it’s the first day of spring in the northern hemisphere and the first day of autumn in the southern hemisphere. So, happy new season, wherever you are hunkering down during the world-wide pandemic of COVID-19. If you can, step outside for some fresh air and wave to your neighbors (distantly) and enjoy the new season!

The Equinox, Solstice, and our Calendar

Solstices and equinoxes are calendar dates actually related to astronomy and the motions of our planet. Most people think of them as the “start” of a season. They aren’t weather predictions, but are related to positions of the Sun as seen from Earth’s surface. It appears to move, but it’s actually a result of Earth spinning on its axis. Think of a merry-go-round. If you’re on it and look out at people standing around watching it spin they appear to move. But, they’re really standing still. It’s YOU (and the merry-go-round) that is moving.

It’s the same with Earth. As the planet spins around on its axis, we see the Sun appear to rise in the east and set in the west. Same thing with the Moon ...

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