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Q&A Why might a planet or solar system go undetected until discovered by a ship?

I have a scientific research vessel that is exploring an alien galaxy. I would like this vessel to detect and then explore a planet that was not previously known about, which means it (or potentia...

11 answers  ·  posted 6y ago by Anthony‭  ·  last activity 6y ago by Anthony‭

Question space reality-check planets technology