In the Kardashev Scale, a Type II Civilization would build a Dyson Sphere around their star. A team of astronomers are searching for them.
  • Echo Dot@feddit.uk
    0·
    5 months ago

    But you would still be radiating heat from that star system unless you’re proposing wireless energy transfer over Interstellar distances. So the entire system would still give off an unusually high infrared signature.