from BBC News - World https://ift.tt/2wxtgaR
Saturday, May 12, 2018
Nasa will send helicopter to Mars to test otherworldly flight
The space agency says it will be the first test of a heavier-than-air aircraft on another planet.
from BBC News - World https://ift.tt/2wxtgaR
from BBC News - World https://ift.tt/2wxtgaR
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