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Comment Maybe they are shielding themselves (Score 1) 365

First, it seems the assumption is that any intelligent life would be like us and burn fuel, use lots of energy, set their thermostats too high, etc. Ignoring any other possible forms of life, maybe those that would produce a heat signature have learned to shield it to prevent detection.

To restore a sense of reality, I think Walt Disney should have a Hardluckland. -- Jack Paar