If you've seen Netflix's “3 Body Problem” adaptation, it's actually based on the Alpha-Centauri system.
At the time the novel was written, it was still unknown if there are any planets. Today, it's confirmed there are 2 planets, one in the “habitable zone”.
At the time the novel was written, it was still unknown if there are any planets. Today, it's confirmed there are 2 planets, one in the “habitable zone”.
astronomy scifi