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April 2009

A Solar Sail Manifesto

{ 24 comments }

Renewed Challenge to the Dinosaur Killer

{ 12 comments }

Eccentric Orbits and Bold Predictions

{ 18 comments }

Pushing Past Redshift Eight

{ 11 comments }

Getting Closer to an Exomoon Detection

{ 23 comments }

Upcoming Beamed Propulsion Conference

{ 3 comments }

Asteroid Deflection by Tether

{ 5 comments }

Ubiquitous Brown Dwarfs: A Dark Matter Solution?

{ 30 comments }

Water World Around Gliese 581?

{ 27 comments }

Wolf 940’s Brown Dwarf Companion

{ 12 comments }