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Where does the 500 light years number come from? Alpha Centauri is only 4.4 light years away from Earth.
by karmelapple 10y ago
Where does the 500 light years number come from? Alpha Centauri is only 4.4 light years away from Earth.
- ogrisel 10y agoThis discovery is about Proxima Centauri which is slightly closer: 4.25 ly.