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Archives for December 2018

The Golden Light of a Winter Solstice

December 21, 2018 by Brian Ventrudo Filed Under: Astronomy Images and Video

“What good is the warmth of summer, without the cold of winter to give it sweetness.”
― John Steinbeck

On December 21, 2018 at 22:23 Universal Time, the Sun reaches the December solstice, its most southern point on the ecliptic. This marks the first day of winter in the northern hemisphere and the first day of summer in the southern hemisphere [Read more…] about The Golden Light of a Winter Solstice

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Filed Under: Astronomy Images and Video christmas, solstice, sunset

The Christmas Comet of 2018

December 14, 2018 by Brian Ventrudo Filed Under: Celestial Events

Comet 45/P Wirtanen on December 9, 2018 through a telescope. Image courtesy of Transient Astronomer and Grand Mesa Observatory.

The year 2018 winds down with the apparition of the modest but easily observable Comet 46/P (Wirtanen). This periodic comet will not rival some of the better “Comets of Christmas Past” such as Comet McNaught in 2006, Comet Hale-Bopp as it brightened towards the end of 1996, or even the relatively disappointing Comet Kohoutek in 1973. But Comet Wirtanen will grow bright enough to see with binoculars and, in dark sky, with the naked eye as it passes through some of the most prominent constellations of the season. It’s a great excuse to dust off your optics and get outside to enjoy the solar system in action and share the view with those around you [Read more…] about The Christmas Comet of 2018

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Filed Under: Celestial Events

The Lonely Star of Autumn

December 7, 2018 by Brian Ventrudo Filed Under: Deep Sky

This illustration shows a ring of debris encircling the star Fomalhaut. A suspected planet is orbiting inside the ring. Credit: NASA, ESA and A. Feild (STScI)

In the vast expanse of sky between the brilliant stars Antares in the west and Sirius in the east, there lies but a single bright star of note, the star Fomalhaut. Low and prominent over the southern horizon, this lovely white star is a lonely sight on a northern fall evening. Fomalhaut marks the mouth of the constellation Piscis Austrinus (the Southern Fish).  The star is a pretty enough sight for casual stargazers this time of year, and it offers a very widely spaced companion that’s easy to see in binoculars. The star also hosts at least one ring of glowing dust and debris left over from its birth. And where there’s dust, there may very well be planets… [Read more…] about The Lonely Star of Autumn

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Filed Under: Deep Sky

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