8legs: Tomomichi fujita

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#1 out of 3103.9K est. views3.74%

9h ago

Nbcnews.com and 12 more

Astronauts affixed moss spores to the outside of the International Space Station for nine months, and more than 80 percent of them survived.
Most of the spores survived testing, and the germination rates reached as high as 97 percent for those not exposed to UV radiation in space.
The researchers suggest moss could aid long missions by providing oxygen and boosting soil fertility for crops on space journeys or extraterrestrial outposts.

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#2 out of 3

8h ago

Moss spores survived nine months in space under multiple conditions outside the ISS.
Over 80% of spores endured after return, with UV exposure reducing germination rates.
UV radiation was a more detrimental factor than visible or infrared light for germination.
A mathematical model suggests spores could survive roughly 15 years in space.
The work aims to advance future space agriculture on the Moon and Mars.
Researchers sent hundreds of sporophytes to the ISS on Cygnus NG-17 for exposure tests.
Three space conditions included dark, light with UV filter, and light without UV filter.
Sporophytes showed the most resilience among moss tissues tested.
The study was conducted by Tomomichi Fujita and colleagues at Hokkaido University.

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#3 out of 3

8h ago

Space-exposed moss spores largely survived 283 days in orbit and germinated after return.
The spores came from Physcomitrium patens and were tested against Earth-based controls.
Researchers suggest multiple spore walls provide passive shielding against space stresses.
Space-tested moss spore resilience informs theories about life's robustness beyond Earth.
The study used Space outside the ISS for 283 days before retrieval for germination testing.
Control spores on Earth showed a high baseline germination rate, about 97%.
The findings strengthen the idea that life’s building blocks may be widespread and persistent.
Experts note the key test is whether space-germinated moss can reproduce in space.
Researchers observed that other life stages of moss did not survive simulated space stresses.
The moss course is linked to broader questions about life’s origins and space habitability.

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