A cotton seed sprouted – and died – on China’s Lunar Lander

A cotton seed sprouted – and died – on China’s Lunar Lander

Credit: Wikimedia Commons

On Tuesday, Chinese media reported that one of the cotton seeds aboard the Chang’e 4 lunar lander sprouted, marking the first time that any biological matter has ever grown on the moon.

Unfortunately, the sprout died after nine days upon the beginning of the lander’s first lunar night on Sunday. That’s because temperatures drop to -150 degress Celsius during lunar nights on the moon, and according to Xie Gengxin, chief designer of the experiment, life inside the canister would simply not survive those conditions.

Still, that might well be a giant leap for mankind, since it hints at the possibility of growing food on the moon to feed astronauts on long space missions without requiring them to return to Earth for additional supplies.

The experimental setup is encapsulated within a 19.8cm tall container designed by 28 Chinese universities. The lander will provide water, air, and maintain a temperature of 25 degrees Celsius to help the plant grow. The scientists behind the experiment rendered the seeds dormant for two months – from the testing phase to when vehicle landed on the moon. They also included rapeseed, potato seed, rock cress, yeast and fruit flies with soil in the canister to see if these crops could provide additional resources for food and clothing on the moon.

“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,” said Professor Liu Hanlong, the chief scientist behind this experiment.

The Chang’e 4 lander – which landed on the lunar surface on January 3 – aims to explore the geology of the far side of the moon which is invisible from the earth.

Hopefully, this development will make it easier to conduct more crewed missions to the moon and beyond in the coming years.

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