What is Space? https://t.co/vtkIXILzjF #space #science #fact #tech #nasa #aviation #weltraum #rocket http://pic.twitter.com/y0gtoFOWYA
— martinengwicht (@martinengwicht) June 10, 2017
from Twitter https://twitter.com/martinengwicht
learning by doing
What is Space? https://t.co/vtkIXILzjF #space #science #fact #tech #nasa #aviation #weltraum #rocket http://pic.twitter.com/y0gtoFOWYA
— martinengwicht (@martinengwicht) June 10, 2017
from Twitter https://twitter.com/martinengwicht