tech2 News StaffJan 16, 2019 13:07:41 IST
Before the Chang'e-4 spacecraft blasted off to make history by landing on the moon's far side, Chinese scientists snuck a small canister on the lander to try and make the mission doubly-historic for the country. The specially-designed canister contained cotton seeds, which the team announced yesterday, have sprouted!
First in human history: A cotton seed brought to the moon by China's Chang'e 4 probe has sprouted, the latest test photo has shown, marking the completion of humankind's first biological experiment on the moon pic.twitter.com/CSSbgEoZmC
— People's Daily, China (@PDChina) January 15, 2019
This is the first time a plant has ever grown on a planet other than the Earth – unless we're counting the International Space Station, where microgravity experiments with plants are fairly routine.
The closest plants have come to the moon in the past was during the Apollo 14 mission in 1971, where NASA astronaut Stuart Roosa carried hundreds of seeds with him to the moon's orbit.
These seeds were brought back to Earth with the crew and planted as "Moon trees" in America, Brazil, Switzerland and Japan, according to NASA.
The Chinese space agency has also packed a couple of other seed varieties in these 'moon capsules' – potato seeds, rapeseed, a common plant species used in research known as Arabidopsis – as well as yeast and fruit flies were chosen for the one-way trip to the moon.
China's Chang'e 4 lunar probe has conducted the first biological experiment on the moon after a cotton seed sprouted in a mini-ecosphere which also contains samples of oilseed rape, potato, Arabidopsis, yeast and fruit fly, as well as soil, water and air. pic.twitter.com/Yf6lAIMrRg
— China Daily (@ChinaDaily) January 15, 2019
“We have given consideration to future survival in space. Learning about these plants’ growth in a low-gravity environment would allow us to lay the foundation for our future establishment of space base,” Professor Liu Hanlong, head of the experiment told the South China Morning Post.
Liu described the chosen six as a mix of "producers, consumers and decomposers" in a the micro-ecosystem that was carried to the moon.
The canister containing each of these components is completely sealed and protected from the extreme temperatures and radiation on the moon. The container also has specially-designed tubes for air, water and nutrients on top of a simulator for "natural light" and a camera for updates on their progress.
The soil for each seed also contains silkworm eggs – the first living eggs to reach the moon – which will consume oxygen and release carbon dioxide for
However, none of the other seeds has fared as well as the cotton seeds so far, but the researchers remain hopeful!
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