ir·i·des·cent (Adjective): Showing luminous colors that seem to change when seen from different angles. lu·mi·nes·cence (Noun): The emission of light by a substance that has not been heated, as in fluorescence and phosphorescence.
Tuesday, May 22, 2012
Talk About Star Trails...
Some star trails. However, these aren't ordinary star trails. These were taken in space. Earth also creates its own trail. Simply amazing. Taken by scientists and photographers at NASA.
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