500
Based on the model for advanced civilization measurement, known as the Kardashev scale, Type ______civilizations are civilizations that can harness some energy from their neighboring star. Whereas Type ______ can harness all of the energy from their neighboring star, and Type ______can harness all energy within their host galaxy.
What are Type 1, Type 2 and Type 3?
We (humans on earth) are considered a Type-1 civilization. We have never found any other Type-1,2, or 3 civilizations on any other planet; neither within our galaxy, nor the universe.