September 20, 2025

Terminator zones

  • In a recent study, researchers explained the possibility of extra-terrestrial life on far-off exoplanets within a special region known as “terminator zone”.
  • Terminator zone is a ring on planets that have one side that is always facing its star and one side that is always dark.
  • Terminator is the dividing line between day and night sides of planet.
  • It could exist in “just right” temperature zone between too hot and too cold.
  • Terminator zone planet can retain liquid water.
  • If the planet is mostly covered in water, then water facing the star would likely evaporate and cover entire planet in thick layer of vapour.
    • But if there’s land, this effect should not occur.
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