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Earth Can Support a Plant Biosphere for Almost 1.9 Billion Years
Earth's biosphere may last nearly twice as long as previously thought – up to 1.86 billion years, according to astrobiologists Jacob Hack-Mizra and Eric Wolf from Blue Marble Space and the University of Colorado Boulder. This is comparable to the time when the planet is expected to lose its oceans to evaporation into space.

TL;DR
- Earth's biosphere may last up to 1.86 billion years.
- This is nearly twice as long as previously believed.
- The duration is comparable to when the planet is expected to lose its oceans to space.
- The research was conducted by astrobiologists Jacob Hack-Mizra and Eric Wolf.