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The Parker Solar Probe will approach the Sun, which no spaceship has ever launched into space. He will study our star in unprecedented detail and, hopefully, provide scientists with important information on how it all works … but it must first survive the journey and insertion. in the orbit of the Sun. This will require a mega-super-thick heat shield, and you would not know it, NASA has one!
In a new post on his website, NASA shows the unbelievably sturdy thermal screen that it installs in the probe, and it really gives you a good idea of the strength it's going we must have to sweep the incredible heat of our star.
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<p class = "web-atom canvas-text Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm" type = "text "content =" I mean, just look at C is almost five inches of carbon shielding painted with a white liner to reflect as much heat as possible.Shield is a carbon foam that the NASA says is mainly from the air. "Data-reactid =" 22 "> I mean, just look at this thing. It's nearly five inches of carbon shield painted with a white coating to reflect as much warmth as possible. The core of the heat shield is a carbon foam that NASA says is mainly composed of air.
"The heat shield weighs only about 160 pounds – here on Earth, the foam core is 97% airborne," says NASA. "Because Parker Solar Probe is moving so fast – 430,000 miles per hour to its closest approach to the Sun, fast enough to travel from Philadelphia to Washington, in about a second – the shield and spacecraft have to be to reach the necessary orbit. "
At its closest point, the probe will come within 3.9 million miles of the Sun. This may seem like a pretty safe distance, but the temperatures at this distance will still be hot enough to melt the steel. NASA says the probe must be ready to withstand temperatures of 2,500 degrees Fahrenheit, but the heat shield will keep the heat at a much more comfortable level of 85 degrees Fahrenheit.
The probe should be launched from early to mid August after its original launch window in late July was recently postponed.
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