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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.

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Sun pillar

The light in northern latitudes can create some beautiful visual displays. Think of auroras that are produced by solar particles hitting the upper atmosphere. Sun Pillars are another example formed by ice crystals in high level clouds that refract sunlight in a vertical column. Here's an example from northern Canada: [caption id="attachment_6692" align="aligncenter" width="900" caption="Sun pillar in northern Canada (credit: NASA)"][/caption] They are most commonly observed in the ...
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Channeling O'Keefe

Georgia O'Keefe famously liked to paint the canyons and deserts of the West. Her early 20th Century images of New Mexico are now considered national treasures. [caption id="attachment_5831" align="aligncenter" width="610" caption="Georgia O'Keefe with desert abstract paining (source: 1918 file photo)"][/caption] Who would have expected the Jet Propulsion Laboratory's (JPL) HiRise robot camera to be able to approximate the painters "eye" while orbiting Mars at the beginning of the ...
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