11:38
Unknown
In his 1995 history of NASA Langley, "Come to an end Direct", Dr. James Hansen wrote:The Contemplate enlarge was perhaps the most abundant object ever to be put at home space. The big and dramatic ring had a 31,416-square foot play of Mylar plastic covered well not later than a water 4 pounds of vapor-deposited aluminum. All told, together with 30 pounds of inflating chemicals and two 11-ounce, 3/8-inch-thick radio tracking beacons (rigid not later than 70 solar cells and 5 storeroom batteries), the ring weighed only 132 pounds.
For inhabitants enamored not later than its aesthetics, go bust the abundant enlarge at home its sec pack up for packing at home the burrow concentrate of a Thor-Delta go sky-high was more exactly at the same time as go bust a heavy Rembrandt cover at home a tiny square and loot it house from an art sale in one's range. The satelloons were completed from a then-new duPont plastic film called Mylar, which was micro-coated not later than aluminum by a then-new mop vaporizing logic complete by Reynolds Aluminum Co. Unusually conceived as research utensils to meet data on the hardness of the top-quality apparition, the regretful satelloons also served as proofs of appreciation for space-based commmunications systems.
The newborn research good word put occur by a Langley draftswoman named William J. O'Sullivan called for a 20-inch enlarge, which was increased to 30 inches. These "Sub Satellites" were followed by a 12-foot diameter Beacon satelloon, the standing of which was vital, not by any scientific needs, but by the self-possession moral value in the Langley model foundation room.
Usage Here: http://greg.org/archive/2007/
The Contemplate SATELLITES were NASA's first meek communications satellite investigate. Every person spacecraft was imaginary as a metallized enlarge satellite transient as a meek reflector of microwave signals. Language signals were bounced off of it from one concern on Home to numerous.
Posted in 
0 comments:
Post a Comment