The Space Shuttle Columbia

v The Space Shuttle Columbia touches down on lakebed runway 23 at Edwards Air Force Base, California, to conclude the first orbital shuttle mission.

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• Shuttle
• Columbia
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• challenger
• disaster
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[LoraKeciamf31]

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[Westumer3]

irvinmanohar

Don't make bad jokes about Columbia-Disaster . . . it is very sad . . . people died in there :-(

R.I.P. Columbia

[theremoteanater]

i like how we don't have a fast way to launch seven people into space anymore .......what is wrong with the last two presidents who cancelled the sts progam the two presidents wasted over a trillon dollars we could have some of that for the sts progam why why

[LeonaSarahek351]

hiya guckt mich an bin ein elch

[JinaJoeyhf32]

so ich bin total naja wie soll ich sagen reich

[RoxanePado921]

hmz bin selber aus Frankfurt

[vmgeospatial]

please post a response to my profile if you do

[vmgeospatial]

and that is because sound travels more quickly through more dense material than less dense. air is more dense at sea level, however, at some point there must be a tremendous amount of atmosphere smashing into the bottom of the shuttle i wonder an instance where enough atmosphere is compressed and enveloped around the shuttle that the density is greater or equal to sea level atmosphere, does the shuttle then have multiple mach speed readings? can anyone shed light on that?

[vmgeospatial]

@lordriderfan " typically going mach 8 when it enters the atmosphere "

and @deltaspeed93 "wrong!, mach 22 17,000 mph"

mach 22= 17000 mph  only when speed of sound = 772 m/h

speed of sound = ~772 mi/ hour @ sea level. shuttle re-enters the atmosphere at 400k ft

speed of sound @400k ft = ~688.6 mi/h

the speed of the shuttle on re-entry is roughly between 16,700 - 17,300 mi/h so 16700/688.6 =24.25 17322/688.6 =25.12

mach24 or 25 the instant the shuttle passes 400k ft but it all depends

[SurrenderToMusic]

how did they die i didnt see no explosion?