All posts by Larry Sessions

Larry Sessions is a former director and staff astronomer at Denver’s Gates and Fort Worth’s Noble planetariums, and now is an instructor for Metropolitan State College and the Community College of Aurora, Colorado. He also is the webmaster and editor for the Southwestern Association of Planetariums, as well as his own website, North American Skies, and a contributor to both Space.com and EarthSky.org. A NASA/JPL “Solar System Amabassador,” he has every copy of the Royal Astronomical Society’s annual handbook since 1971.

By Larry Sessions on November 10, 2009 in
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Date: November 10, 2009 Title: Wake Up and Smell the Baloney! Podcaster: Larry Sessions Organization: None Description: Some people, upon seeing something unusual in the sky, jump to the conclusion that it must be the result of an extraterrestrial visitation, inter-dimensional travel, or perhaps some secret and sinister government experiment. Carl Sagan used to say, […]

By Larry Sessions on September 11, 2009 in
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Date: September 11, 2009 Title: Pluto, Stand Thou Still! Podcaster: Larry Sessions Organization: None Description: Pluto, the only object ever to be demoted from full planet status, is stationary today, even though it currently is traveling at about 5 kilometers per second! It never stops, so how can it be “stationary?” Motion – or lack thereof […]

By Larry Sessions on August 13, 2009 in
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Date: August 13, 2009 Title: Down to My Last Quarter Podcaster: Larry Sessions Organization: North American Skies NASkies Twitter http://twitter.com/NASkies Description: Moon phases are an unexpectedly misunderstood topic for many, based on my years of teaching. It seems that full moon means something entirely different to young people today, and quarter moons are really halves […]

By Larry Sessions on July 10, 2009 in
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Date: July 10, 2009 Title: How Amazingingly Unlikely is Your Birth Podcaster: Larry Sessions Links: North American Skies, NASkies on Twitter . Description: Eric Idle’s wonderful “Galaxy Song” is an exuberant, if a bit dated, introduction to various aspects of astronomy filled with facts about the Universe. Idle concludes with a reference about how “amazingly […]

By Larry Sessions on June 11, 2009 in
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Date: June 11, 2009 Title: Round, Round, Round We Go Podcaster: Larry Sessions Links: http://home.comcast.net/%7Esternmann/index.htm http://twitter.com/NASkies Description: We are taught that the Earth circles the Sun once a year, but is this really true? If it is not true, where do we really end up each time the Earth completes an orbit? Motion in space […]