Tag: equinox

Very Long Exposure Photography

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Since diving into astrophotography last year, I’ve discovered that I love the concept of time-lapse, and not just with respect to astronomy.  It’s amazing to see the changes that can occur over long periods of time, and time-lapse photography is a way to record the changes and see how they unfold.  In astronomy the best time-lapses give you a sense of the Earth’s motion through space, show satellites zipping overhead, and show aurora dance along with weather patterns. Large amounts of time with slow incremental changes produce incredible results when it comes to time lapses. Science communication is about how to...

Polar Seasons

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A few days ago we passed the Autumnal Equinox, and said goodbye to Summer in the northern hemisphere, as the southern hemisphere welcomed Spring.  This is all due to the tilt of the Earth’s axis at 23.5 degrees.  As it orbits the Earth, the tilt alternately points the hemispheres toward direct sunlight, bringing summer during that time and winter 6 months later. But what about the North and South pole? What happens there? In summertime, because the North pole is actually tilted toward the Sun, the region receives direct sunlight for 6 months! The Sun just never sets!  Check out...