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How does oxygen play a crucial role in supporting life on exoplanets?

    Oxygen plays a crucial role in supporting life on exoplanets through its role in respiration. On Earth, oxygen is essential for the survival of complex organisms as they use it to break down carbohydrates and release energy. Similarly, on exoplanets, oxygen is important for the survival of any life forms that rely on aerobic respiration. Furthermore, oxygen is also a key component in the ozone layer, which shields life forms from harmful radiation. Detecting oxygen in the atmosphere of an exoplanet can be a significant indicator of potential habitability as it suggests the presence of photosynthetic organisms. However, it is important to note that the presence of oxygen alone does not guarantee the existence of life, as it can also be produced through abiotic processes.

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