Alpha and Omega via NASA https://t.co/dYBuQChOdb http://pic.twitter.com/qeE77XGyoE
— martinengwicht (@martinengwicht) November 27, 2017
from Twitter https://twitter.com/martinengwicht
learning by doing
Alpha and Omega via NASA https://t.co/dYBuQChOdb http://pic.twitter.com/qeE77XGyoE
— martinengwicht (@martinengwicht) November 27, 2017
from Twitter https://twitter.com/martinengwicht