20 Years to Alpha Centauri; NASA’s Expandable Habitat; Elements of an Apology
Proposed Spacecraft Will Take 20 Years to Reach Alpha Centauri Renowned physicist and cosmologist Stephen Hawking and Russian internet investor and physicist Yuri Milner recently announced an ambitious new project they hope will someday send thousands of tiny spacecraft to the stars to explore space and search for life in the universe. Called ‘Breakthrough Starshot,’ […]