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February 2009

One Hundred Billion Trillion Habitable Planets

{ 22 comments }

Cosmic Inflation in Context

{ 5 comments }

Fireball Linked to Cometary Debris

{ 5 comments }

MEarth: Searching for Habitable ‘Super-Earths’

{ 7 comments }

Deep Questions About an Impact

{ 6 comments }

Interstellar Strategy: Spreading the Word

{ 3 comments }

361 Civilizations in the Galaxy?

{ 30 comments }

Dust Up Between the Stars

{ 24 comments }

Dissent on Drake

{ 30 comments }

Interstellar Flight: The Dust Conundrum

{ 12 comments }