It’s time for our traditional end-of-month equation. We’re keen to see if our space tweeps can tell us what this formula, this month’s theme and Ariane rockets have in common. #ArianeGrouppic.twitter.com/gbefBhy6YB
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This one is tyrannic...
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Well the tyranny is against those who have to use the rocket equation
You're doing a pretty good job though 
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Thanks
Have a good weekend 
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