Dream Chaser Tenacity Is Almost Ready For Its First Launch, Thousands of Tiles on it...

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Dream Chaser Tenacity Is Almost Ready For Its First Launch, Thousands of Tiles on it...
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The most dangerous part of spaceflight is leaving Earth — the launch.
The second most dangerous part is when a spacecraft has to decelerate and survive the fiery heat of re-entry while returning to Earth.
Objects coming back from space are traveling at many times Mach speed — faster than the speed of sound — and as they do they're compressing the air in front of them. As a result, all could be burned up as fireballs.
But when asked about his descent from outer space, veteran astronaut Scott Horowitz said “it's very smooth, and there's no real sudden onset or force or Gs that you feel.
You'll notice, looking out the window, the sky starts to turn a different color. It turns kind of a light pinkish color and then it gets kind of a deeper pinkish red, and then it turns red and orange.
And what you realize is you're looking from the inside of a fireball outward. You're inside the air that's being ripped apart as you're re-entering the atmosphere. Very little feeling, no shaking, no vibration, but you just see the heat that's being generated by the space shuttle entering the atmosphere."
All of this is thanks to the use of a thermal protection system (TPS).
The system may not be the most glamorous feature in a spaceplane, but it is one of the backbones of every mission and can lead to the difference between a safe re-entry and total catastrophe.
Dream Chaser Tenacity Is Almost Ready For Its First Launch, Thousands of Tiles on it...
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