Venus all by itself is minimal. These planets would be closer and there'd be a lot more of them. If they're supposed to be Earth-like they'd also have clouds, m

Venus all by itself is minimal. These planets would be closer and there'd be a lot more of them. If they're supposed to be Earth-like they'd also have clouds, making them reflect more like than airless worlds like the Moon does. I bet there would be a measurable effect.