RE: thermistors, those are the telemetry sensors inside the wing I referred to.. I have no doubt there are external snsors too, but would assume that.....
1.there would be few, since induction or short range radio based systems would be bugger all use during insertion (gasses at that temperature start to do looney things....hence the much mentioned radio blackouts during appollo returns.), and you want as few holes in the hull as poss thanks very much :)
2. They'd have registered very little out of the ordinary on the Columbia, as the outer temperature would have been nominal.
As regards the fragility of the tiles. It's well documented as far back as the Enterprise test vehicle. Indeed the good ship Columbia on her mainden voyage lost 3 (or was it more) as many times as many as the Engineers said would be safe, yet she returned to Earth totally undamaged. But these were the white and black tiles (the black being the more heat resistent of the two, hence their distribution), which are a kind of ceramic silicone foam, and really can be pencil pierced or snapped in twain by hand. The actually get tougher as they get hotter. But in flight, flakes of paint and stuff from earlier launches on opposing courses (The saturn V was a big villain with it's huge seperations prior to TLI....in fact one falke of paint from it shatter a shuttle window, cracked it right through., yet it held), can hit them at 20,000mph and tear them off.
Losing a few tiles is no bother, the adjacent ones cover the hole pretty well for aerodynaimc reasons.
But the Carbon/Carbon corner pieces are VERY hard. However, like many carbon materials they are brittle (look at F1 cars when they collide, the shatter like glass). When Nasa were testing these, a biggish chunk caused the test piece to disintegrate to the extent that it could not fit their data parameters so that data was left out of their strike model.
Good engineering: Saying she'll die if she loses 1% tile coverage.....when you know it's more like 10. Bad Engineering: leaving out vital data cos it wont fit your capture parameters

As for UFO's....not a terrific believer in them. No doubt there have been some that are genuine. But the moment anyone mentions bipedal aliens, I'm outta there. I cannot believe the crap that some people will swallow on this subject.
Do not get me wrong.....I totally believe in alien life. Just have some basic problems....
- You've just built a star ship....do you travel out into the galactic boonies where there are many lightyears between the stars? or inwards towards the closely packed galactic core?
- Aliens will only be humanoid in appearance if they are related to us, which since there is very strong evolutionary evidence here, means they'd be from here too and therefor not aliens. Evolution has come up with billions of species on one planet which has one set of conditions, and of those billions, a few have reached intelligence, and of those few only one looks like us. Whay would someone from a completely different environment, or even an identical isolated one, look anything like us.
- They never kidnap anyone with thumbs.
- No one gives away this "startling evidence that PROVES CONCLUSIVELY THE US GOVERNMENT KNOWS ABOUT ALIENS AND THEIR PLANS"....it's always VERy expensive and some cunt's always getting rich.
- NANCY
- people who read a word that woman says, believe it and then do not self sterilize themselves for the good of the species.
As for Mars....something very odd going on there for sure.....surely the only reason we are not there isn;t that NASA used to be run be wild eyed crazies in the star trek business, and is now run by suits in the orbital trash parking business. Probes keep vanishing JUST as they approach, the ones that land are always the ones that are taretted on dull shit. I'm pulling this from memory so the figures may be off ( and 2-3 years out of date) but of 48 human attempts to land on mars on 4 have worked. Almost ALL failed in the VERY final stages. including many that just happily worked, fired thrusters into orbit and vanished.
And a thought for you.
In a truly infinite universe, all possibilities exist, and since NOTHING is impossible merely infinitely improbable. There are DALEKS out there you know! especially since they are nowhere near an what you could call impossibility. EDIT: and of course same is true for Cybermen, Borg, asimov robots, luke skywalker. All with the proviso that they'd not be like they are in movies....cos you can't see fucking lasers in space and space craft make no sound (except under one or two very special circumstances).
BTW...watch 2001...every single thing in that movie except HAL and the monolith was buildable when that movie was made, arthur should bloody know too! As for HAL, we may not have a talking intelligent machine, but as long as macropshaft were kept away, we eaily have the computer power to control a ship like "The discovery"....in fact I doubt Clarke's is half as complex as the shuttle :)