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22 April 2016
You Can Thank These Three People for Earth Day
I remember very well watching the CBS Evening News (46 years ago today) on the first Earth Day. It was a major story, and I believe Walter Cronkite led the broadcast with it. We know a lot more about our planet now than we did then, and there have been some amazing successes in protecting our environment. We now know something that was not well understood then, and that is the …
20 July 2013
A Lonely Speck In The Great Enveloping Cosmic Dark
Hat tip to Maksim Kakitsev who processed the raw images before NASA even. Here is the image of Earth and Saturn taken by Cassini around 5:30 PM Friday July 19, 2013. The sun was behind Saturn, and Earth is the bright pixel below the rings. This is the second version taken by Cassini showing our small spinning fragment of solar driftwood.. The first image like this was taken by Voyager …
21 December 2012
Carl Sagan Passed Away 16 Years Ago Today
Sagan may be gone, but he is now inspiring a whole new generation. His Pale Blue Dot has now been seen by millions who were not even alive when he died 16 years ago today. There are literally thousands of scientists who were inspired by Sagan. After watching COSMOS, his amazing PBS series, I knew I wanted to study science. The fantastic discoveries being made in astrophysics and Astronomy today …
Dan Satterfield has worked as an on air meteorologist for 32 years in Oklahoma, Florida and Alabama. Forecasting weather is Dan's job, but all of Earth Science is his passion. This journal is where Dan writes about things he has too little time for on air. Dan blogs about peer-reviewed Earth science for Junior High level audiences and up.