Originally posted by albertfothergill
The Nasa shuttle footage of a 12 mile long antenna/satellite which showed phenomena, (we all seen that right), has it disappeared?
I think you may be referring to the STS-75 'Tether Incident' in which a satellite attached to a 12 mile long tether was lost when the wire snapped.
This incident has become the stuff of folklore amongst UFO watchers and can be found aplenty on YouTube. Just type in 'STS 75' or 'nasa tether
As to the resulting 12 mile satellite, this was indeed visible from Earth and was photographed by several amateurs. You'll find some on YouTube. The
12 mile wire soon lost altitude and burned up on re-entry, as all this stuff does eventually.
Hi Albert: I too think that you are referring to the STS-75 (TSS-1R) incident: the TSS-1R mission was a reflight of TSS-1 which was flown onboard
Space Shuttle Atlantis on STS-46 in July/August of 1992. science.ksc.nasa.gov... www.astronautica.us...
The tethered satellite, TSS-1R (23805/96012B), was lost around 0130 UTC, February 27, 1996, whilst nearing full deploy during the STS-75 shuttle
mission. This satellite was to have been flown on the end of a 20 km long tether in order to investigate tether electrodynamics, orbital adjustment
via a tether and the upper atmosphere. After separation from the shuttle, the satellite with tether still attached was left in a 28.5 degree, 400 by
320 km orbit.
The satellite and tether re-entered March 19, 1996 at about 2312 UTC, somewhere over the NW Africa/SE Asia region.
Nondestructive testing concluded that the tether failure was a result of excessive arching between the tether and the ambient environment.
The above TSS images were taken from video during the recent STS-75 mission, in sequence showing TSS being deployed, shortly after the moment the
tether broke and TSS viewed during a close pass (75 km) later in the mission.
Image credits: NASA TV
Many observations have been reported from Australia, Hawaii and the Southern US. Observers typically report seeing the tether subtending a degree or
more (dependant upon the range to the satellite of course) with a small diamond of light atop, being the main satellite body itself.
Most reports indicated that the tether was hanging below the main satellite (roughly along the Earth radius vector, in a gravity gradient
stabilized manner). Some have mentioned an apparent gentle curving of the tether along with a small kink or twist at the end furthest from the main
satellite body, possibly where the free end has coiled in the manner of a telephone cable (this appears to be along the velocity vector). Others have
commented on the surprising brightness of the tether - one report placed it at about mag. +3, though brightness estimates of such an unusual (in
effect one dimensional) object are hard to make. It seems to compare favorably with the SEDS tether of recent years despite it being much narrower;
only 2.54 mm.
Dr. Kym Thalassoudis has also provided this Quicktime movie taken from Australia (Donwload - 1.5 MB)
showing TSS passing through the constellation Auriga (for reference the 4 stars visible, from top left to right are: 14 Aur (mag 5.0), 16 Aur (mag
4.5), HR1732 (mag 5.4), and 19 Aur (mag 5.0)).
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