11 votes

We could see the glint off giant cities on alien worlds, suggests paper

3 comments

  1. Gawdwin
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    Depending on how far away the system is, and assuming we find an alien city, we would be looking at the city centuries in the past. (or however many light-years it is from earth.) If we ever...

    Depending on how far away the system is, and assuming we find an alien city, we would be looking at the city centuries in the past. (or however many light-years it is from earth.) If we ever discovered FTL or wormhole type technology it would be so interesting to point back at Earth and look at it back in time. Something I would have loved Star Trek diving into.

    8 votes
  2. ra314
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    Is it possible to try these techniques on the Earth from far away? Maybe some way of adding noise that simulates distance, since our spacecrafts are much closer than any exoplanets we will observe.

    Is it possible to try these techniques on the Earth from far away? Maybe some way of adding noise that simulates distance, since our spacecrafts are much closer than any exoplanets we will observe.

    3 votes