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Riled Up is a journal of science, the environment, exploration, new technology, and related commentary.  Contributors include scientists, explorers, engineers, and others who provide perspectives and context not typically offered in general news circulation.  For interested readers, additional resources are included.

The Conservation Alliance

Echoes of Carl
Hugh Bollinger

Echoes of Carl

Cassini's Pale Blue Dot  (credit: Cassini/JPL/NASA)

It has often been said that, 'a picture is worth a 1000 words'.


The great champion of space science, adventure, and exploration, Carl Sagan coined the phrase: a pale blue dot  to describe how Earth would appear from outer space. The Jet Propulsion Laboratory in Pasadena has released an image of the Earth taken by the Cassini spacecraft orbiting Saturn. The spacecraft captured the image of nearly 900 million miles away. The photograph easily echos his famous quote and offers noble tribute to Sagan.

Cassini's photo is a reminder of how existential an image and a statement can be.


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