-----------------------------------------This blog is to proliferate space travel and exploration to people the world over, in an attempt to inspire a sense of awe and wonder into mankind's greatest accomplishment - the exploration of the stars.---Currently at NASA HQ in Washington DC. I write the NASA History Facebook and Twitter posts.
----------------------Passionate about spaceflight since the age of two, I live and breath rockets, NASA, and anything space. I also enjoy Florida History and World's Fairs. I'm an avid explorer, and I'll occasionally post images from my travels.--------------
21 - DC/VA/FL

How do you build large structures from small parts in space? The same way you would build tinker-toys on Earth! Two spacewalks were completed during STS 61-B on 29 November and 1 December, 1985, respectively, to give NASA insight on how to build large structures in microgravity.

Two experiments dedicated to this were flown, theΒ Experimental Assembly of Structures in EVA and the Assembly Concept for Construction of Erectable Space Structures. Referred too as EASE and ACCESS, EASE consisted of rods and pegs assembled into an inverted pyramid, and ACCESS into a triangular prism.

EASE proved to be more difficult than expected, due to the inability to properly torque their mass while free-floating around the structure. ACCESS was easier to assemble.

Data from these spacewalks helped NASA prepare for constructing Space Station Alpha and later, the International Space Station.

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