Tag Archives: Earth

Life on this Blue Marble

Posted on July 13, 2012 by Gandalfe

My mom mentioned, some time ago, that she likes my use of the title “Blue Marble” for the Earth so thought I’d share the derivation of the terminology. The Blue Marble is a famous photograph of the Earth, taken on … Continue reading →

Posted in Education, Everyday Science, Photograph, Wikipedia | Tagged , | 1 Comment