Posts by Scott Logan

The Star of Bethlehem

Categories: Christmas
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Published on: December 12, 2016

One the questions often posed to and by astronomers this time of year is “What was the Star of Bethlehem?” Was the Star of Bethlehem a real astronomical event? Was it a myth created by the early church? Or could it have been something else? The Star of Bethlehem is […]

Halloween: Origins

Categories: Archeoastronomy, Halloween
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Published on: October 24, 2015

Halloween: Origins To the surprise of many, Halloween is a significant day on the astronomical calendar. Halloween is a cross-quarter day which means it falls approximately half way between the Autumnal Equinox, the astronomical start of fall and Winter Solstice, the astronomical start of winter. Halloween’s origins date back to […]

New Year’s Comet

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Published on: January 1, 2015

Comet C/2014 Q2 (Lovejoy) has become visible to the naked eye and predicted to get brighter over the next couple of weeks! This is the fifth comet discovered by Australian “amateur” astronomer Terry Lovejoy. The 2011 comet that bears his name made a spectacular pass through the Solar system. This […]

The Star of Bethlehem

Categories: Archeoastronomy
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Published on: December 19, 2014

One the questions often posed to and by astronomers this time of year is “What was the Star of Bethlehem?” Was the Star of Bethlehem a real astronomical event? Was it a myth created by the early church? Or could it have been something else? The Star of Bethlehem is […]

Inspire Her Mind

Categories: Education
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Published on: December 10, 2014

This video says it all. Citing a sad statistic by the National Science Foundation: 66 percent of 4th grade girls say they like science and math, but only 18 percent of all college engineering majors are female. Both boys and girls are dissuaded from science and math in different ways. […]

Halloween: Origins

Categories: Archeoastronomy, Halloween
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Published on: October 19, 2014

Halloween: Origins [swfobject]278[/swfobject] To the surprise of many, Halloween is a significant day on the astronomical calendar. Halloween is a cross-quarter day which means it falls approximately half way between the Autumnal Equinox, the astronomical start of fall and Winter Solstice, the astronomical start of winter. Halloween’s origins date back […]

Stephen Hawking: ‘There are no black holes’

Categories: Astronomy
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Published on: January 28, 2014

At least not in the way we perceive them now, he suggests Heather Saul Saturday 25 January 2014 Stephen Hawking has produced a “mind-bending” new theory that argues black holes do not actually exist – at least not in the way we currently perceive them. Instead, in his paper, Information […]

John Dobson, Inventor of the Popular Dobsonian Telescope, Dead at 98

Categories: Astronomy
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Published on: January 16, 2014

by Bob King on January 16, 2014 The cosmos lost a good soul Wednesday. John Dobson, famous as the creator of the simple, low-cost Dobsonian telescope, passed away on Jan. 15, 2014. His obituary appeared on the website of the Sidewalk Astronomers: “It is with heavy hearts that we must report […]

2014 Skywatching Calendar

Categories: Astronomy
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Published on: January 15, 2014

2014’s celestial events include two lunar eclipses visible from San Antonio and a partial solar eclipse that will begin several hours before sunset one October afternoon. A new meteor shower could be a bonus. Here’s what stargazers have to look forward to in 2014: January The Quadrantid meteors, meanwhile, also […]

Darkened Cities

Categories: Dark Skies
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Published on: January 4, 2014

Seeing the skies of the world’s best cities—if we all just turned out the lights. 12.26.13 | By: David Ethier Born in 1963, Thierry Cohen became a professional photographer at age 22. A pioneer of digital photography, Cohen has had exhibitions at the Palais de Tokyo and the Musee de […]

Lunar Phase
Current Moon Phase
Courtesy: U.S. Naval Observatory

Current Sun
Current Sun Image
Courtesy: NASA

Clear Sky Chart
San Antonio Clear Sky Chart

Sun/Moon Rise/Set Times
Sun/Moon Rise/Set Times

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