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Environmental cyclesPhys Org
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87% Informative
Sun 's luminosity has already increased by about 30% since its formation.
Over the next billion years , the sun will continue to brighten, affecting Earth 's biosphere.
Scientists say the sun's brightening sun will disrupt the carbonate-silicate cycle, which moderates the accumulation of CO2 in Earth 's atmosphere.
Plants rely on CO2 and the levels are expected to plummet, but new research suggests it might not happen.
Future lifespan of Earth 's complex biosphere may be nearly twice as long as previously thought.
Results also affect our understanding of exoplanet habitability.
The hard steps model says that certain evolutionary transitions were difficult and unlikely to happen twice.
If Earth 's biosphere has a much longer lifespan than thought, that affects the model.
VR Score
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