As NASA prepares to land on Mars, Victoria Gill has been to the centre of operations and found out about an unusual tradition.
from BBC News - World https://ift.tt/2r41ihz
from BBC News - World https://ift.tt/2r41ihz
Mars InSight: Inside NASA's mission control
![Mars InSight: Inside NASA's mission control]()
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November 26, 2018
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