Monday, March 20, 2017

EarthSky News - March 20 - Happy Equinox!

March 20
Happy Equinox
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All you need to know: March equinox

2017's vernal equinox comes today at 10:29 UTC.  Here's all you need to know ...

Equinox sun rises due east, sets due west

How can the sun rise due east and set due west - for all of us - at the equinox?  Explanation, charts, diagrams, here.

A Chinese perspective on spring

In Chinese thought, spring is associated with the direction east, the sunrise direction as Earth spins us toward the beginning of each new day.

Fizzy lakes for Saturn's moon Titan?

Bright features - informally known as "magic islands" - seem to appear and disappear in a Titan sea. A new study shows that bubbles could, potentially, be the cause.

Order your EarthSky Planisphere today!

A planisphere is virtually indispensable for beginning stargazers. Your support means the world to us.

Last sunset of winter sun pillar

Photographer Josh Blash caught this sun pillar last night in Hampton, New Hampshire. It's caused by ice crystals drifting in the air.

Equinox sun rises due east, sets due west

No matter your latitude, the celestial equator intersects your horizon at points due east and due west. The equinox sun is crossing the celestial equator. That's why - at today's equinox - the sun rises and sets due east and west from around the globe.
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