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July 2010

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Statites: Hovering Over the Pole

{ 8 comments }

New Planets Highlight Orbital Resonance

{ 6 comments }

The Enduring Legacy of the Voyagers

{ 26 comments }

Time Travel: Ways Around Paradox

{ 26 comments }

Solar Sailing’s ‘Gossamer Road’

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Sasselov: Planets ‘Like Earth’ in Kepler Data

{ 27 comments }

The Solar Sail in Context

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A New View of Ontario Lacus

{ 9 comments }

Musings on Sails and Stars

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