Alpha Centauri is our closest star system at 4.24 light-years, but today’s spacecraft would need about 75,000 years to reach it; a laser sail could arrive in decades, while life on Proxima b remains unconfirmed

Our nearest stellar neighbor could harbor life, yet remains unreachable with today's technology—forcing us to choose between patience and innovation. The post Alpha Centauri is our closest star system at 4.24 light-years, but today’s spacecraft would need about 75,000 years to reach it; a laser sail could arrive in decades, while life on Proxima b remains unconfirmed appeared first on Space Daily .