Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...
But could humans or spacecraft ever reach Alpha Centauri, the closest star system to our planet? Alpha Centauri is about 4.4 ...
It would then take them just 20 years to travel to the Alpha Centauri star system four light years away, but they would have extremely little time to explore the system –. It is not possible for ...
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 ...