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Why not? It seems like if we can see them they could see us - unless you just mean our planets are smaller so they'd need a better telescope than we can make?
by breily 18y ago
Why not? It seems like if we can see them they could see us - unless you just mean our planets are smaller so they'd need a better telescope than we can make?
- gommm 18y agoBecause we do not have any planets as huge as Formalhaut a, b and c in our solar system...
- 13ren 18y agoYes, and those planets are also hotter, therefore brighter and more visible. The sky might be full of earth-like planets, and we wouldn't know (yet). unless... detecting star-wobble is already sensitive enough to detect earth-like mass and distance from sun?