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By Emily Lakdawalla on October 6, 2009 in

Date: October 6, 2009 Title: Crashing to Ground: Anniversary of the Impact of 2008 TC3 Podcaster: Emily Lakdawalla Organization: Planetary Society Description: A year ago today was the first time ever that a celestial object was discovered before it was to crash into Earth. 2008 TC3 was discovered by a telescope in Arizona and tracked […]

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 […]

By Astronomy Cast on May 10, 2009 in
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Date: May 10, 2009 Title: End of the Universe in 10 Minutes Podcasters: The Astronomy Cast team of Dr. Pamela Gay and Fraser Cain Summary: From the End of the Earth to the end of matter itself, come hear about how astrophysics predicts the universe will wind down. Don’t worry though, you have time to […]

By Patrick McQuillan on March 28, 2009 in
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Date: March 28, 2009 Title: What if the Moon did not exist? Podcaster: Patrick McQuillan Organization: Incorporated Research Institutions for Seismology (IRIS) www.iris.edu Description: We often take the Moon for granted. We assume it will always be there. Circling the Earth month after month with regular precision. But what would our world be like if […]

By Bill Hudson on February 13, 2009 in
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Date: February 13, 2009 Title: A scale model of the Earth-Moon system Podcaster: Bill Hudson Organization: Astrogeek  www.astrogeek.wordpress.com Description: How to make and use a scale model of the Earth-Moon system to emphasize the large distances to astronomical objects.  The audience for this podcast are school teachers or amateur astronomers who are involved in public […]

By James A. Brown on February 5, 2009 in
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Date: February 5, 2009 Title: Motion through Space Podcaster: James A. Brown Description: This episode explores the varieties of ways those of us on Earth move through space, from the rotation of the Earth to the motion of our galaxy. It might be a surprise to discover just how fast we really are moving every […]