How Will NASA Get this Probe to the Sun Without It Melting?

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A human-made spacecraft is finally heading to the centre of the Solar System. NASA’s first launch window for the Parker Solar Probe began today at 8:33 a.m. If all goes well, the ship will then begin its journey to the Sun.

Not directly into the Sun, of course. It will pass Venus seven times, eventually arriving within 3.8 million miles of the solar surface, a little more than four times the Sun’s diameter. But despite 2,500 degree temperatures, the ship’s instrumentation will remain at just 85 degrees Fahrenheit, which seems positively chilly, given the circumstances.

“It’s the first time that we have flown any kind of instrument like this close to the Sun, and it’s also the first time we’ve

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