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Detecting Dark or Distant Planets

The existence of exoplanets like TrES-2-b, which is extremely dark, and the potential for a Planet 9, suggests that there may be challenges in detecting certain types of planets. The reason for the difficulty in detecting Planet 9 could be similar to why TrES-2-b appears so dark. This challenge impacts our understanding of planetary systems and the validation of models like the 5 Planet NICE model.

Science, Astronomy & Space Sciences, Exoplanetology