Space-Tested Moss Shows Resilience

80% of Physcomitrium patens spores survived 9 months in space.
90% of spores germinated after returning to Earth.
Research aims to build ecosystems on Moon and Mars.
Tomomichi Fujita led the study at Hokkaido University.
Sporophytes survived extreme temps and UV exposure.
Spores could survive 15 years for a moss garden.
DNA damage needs further assessment.
ISS benefits from Earth's magnetic field.
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