The kilometre-wide separation of the component satellites of Terrestrial Planet Finder should allow it to see planets in distant solar systems a problem akin to looking for moths flying around a football-stadium arc light that is several hundred kilometres away.

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The arc of refracted light was relevant for two men and two parties.

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This negative is illuminated from the front by an arc lamp, and the light from this lamp passes through the transparent regions of the liquid-crystal layer to the middle layer.

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Arc lamps stretched up and out, unfurling bold ribbons of light.

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And one of the things that a company like ARC Energy is doing is trying to bring down the unit cost for each of those light bulbs.

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