NASA has successfully test-fired the engine for the most powerful rocket ever - ...those twin boosters (which are 17 stories high EACH) will burn 5 tonnes of propellant per second to create 3.6 million pounds (1.6 million kg) of thrust to kick-start the mission.

http://ift.tt/2b9z0MN

Submitted August 22, 2016 at 03:15PM by Short_Term_Account http://ift.tt/2bpgK0O