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December 2011

Notes & Queries 12/14/11

{ 8 comments }

A Path Forward for Beamed Sails

{ 9 comments }

Obousy Appearance on TV Tonight

{ 2 comments }

Optimizing Interstellar Mission Costs

{ 8 comments }

The Case for Beamed Sails

{ 63 comments }

Detecting a ‘Funeral Pyre’ Beacon

{ 44 comments }

New Worlds Targeted by Allen Telescope Array

{ 19 comments }

Kepler-22b: A ‘Super-Earth’ in the Habitable Zone

{ 45 comments }

Terraforming: Enter the ‘Shell World’

{ 77 comments }

Interstellar Flight: Equations and Art

{ 29 comments }