A newly formed nonprofit plans to launch the first spacecraft deliberately targeted at another star system by 2029 for under $15 million—knowing its 80,000-year journey will end in the distant outskirts of Alpha Centauri long after everyone involved is dead. - Space Daily
Source:Space Daily
Fermi Explorer trades speed for feasibility: existing ion propulsion, a tiny payload and a coast lasting almost 80,000 years toward the outer reaches of Alpha Centauri.