Solstice Aurora And A Dawn Double Conjunction

Just a few hours ago, the sun reached its lowest point in the sky for the northern hemisphere at exactly 4:44 a.m. Central time (10:44 UT). The moment is known as the winter solstice and the official start of winter. It’s also the shortest day and longest night of the year. If night’s your thing, you’ll have…
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Juno Returns A ‘Pearl’ From Jupiter

NASA’s Juno spacecraft made another of its close flybys of Jupiter on Dec. 11 and returned this new photo featuring a extraterrestrial pearl. But while a real pearl is a lustrous gem built around an irritant such a food particle in a mollusk, this pearl is a storm half the size of the Earth whirling counterclockwise…
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‘Zero G And I Feel Fine’ — Farewell John Glenn

John Glenn, the first U.S. astronaut to orbit the Earth, passed away today at the age of 95. It takes no effort to ride cozy spaceship Earth in its orbit around the sun. Heck, we do it every day of our lives without a thought. But to be sealed inside a tiny space capsule atop a rocket…
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Why Isn’t The Earliest Sunset On The Shortest Day?

The dark days are upon us. Welcome to the earliest sunsets of the year this week and early next. Counter to intuition, the sun sets earliest before the winter solstice, not on it. Shouldn’t the sun set earliest and rise latest on the shortest day of the year? Well no, and it’s because our clocks keep steady, uniform time…
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Moongazers Delight — Biggest Supermoon In Decades Looms Large Sunday Night

Get ready! We’ve got a big moon on the rise Sunday night, the biggest and closest since January 26, 1948. The moon is full every month, but not all full moons are equal in distance, size and brightness. If the moon’s orbit around the Earth were a perfect circle, they would be. But the moon’s…
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