grumpy wrote:They may not be close but no way we are alone.
Actually there is potential for alien life right here in our solar system, you need one major ingredient for life as we know it and that is liquid water. The moons of many planets can contain water. There is a moon that orbits Jupiter for example covered in ice but they think below many miles of ice it's all water. The heat to keep it liquid water is generated internally, it has an elliptical orbit and Jupiter's gravity flexes the entire planet.