Is it possible to visit other stars

There are about 81 visible stars just 20 light years away from our Sun. The nearest one is Proximus Centauri, which is about 4.3 light years away. Getting there is a difficult task. Because light year is an incredibly long distance. It’s the distance that light in a vaccum will travel in an entire year. And in just one second light can travel so far as to circles the entire Equator Earth 7 times.

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