Live Science on MSN6 个月
Will we ever reach Alpha Centauri, our closest neighboring star system?
But could humans or spacecraft ever reach Alpha Centauri, the closest star system to our planet? Alpha Centauri is about 4.4 ...
来自MSN1 个月
Relativistic electron beam could propel probe to Alpha Centauri, study suggests
Breakthrough Starshot focuses on a tiny design with gigantic solar "wings" that would allow them to ride a beam of light to Alpha Centauri. However, for practical purposes, a probe that small will ...