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NASA's solar probe cleared for launch on mission to "touch the sun"

14 August 2018

The National Aeronautics and Space Administration (Nasa) had a mission to the Sun which was about to kick off today but now it will take it to the air on August 12. About this сообщаетAFP, reports the with reference to the UNN.

With one minute and 55 seconds left on the countdown timer, a launch controller ordered "Hold, hold, hold" when a pressure alarm sounded, showing that there was a fault with the Delta IV Heavy rocket's helium system.

The Wide-Field Imager for Parker Solar Probe, or WISPR, will photograph the large scale structure of the corona before the spacecraft flies into it, studying coronal mass ejections, jets and other phenomena.

"This is where we live", said NASA solar astrophysicist Alex Young.

These solar flares is poorly understood.

Nasa says it will try again on Sunday.

Great knowledge about the solar wind and space storms will also help protect future space explorers when they go to the moon or Mars.

It will be the fastest manmade moving object in history and NASA hope it will come within 3.83 million miles of the sun's surface, making 24 loops of the star over seven years.

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The probe is armed with a high-powered heat shield that is 11.43 centimeters (4.5 inches) thick.

The probe is equipped with a 4 1/2-inch thick carbon-carbon heat shield created to withstand temperatures of about 2,500 degrees Fahrenheit.

Scorching, yes? But if all works as planned, the inside of the spacecraft should stay at just 85 degrees Fahrenheit.

"We'll be going where no spacecraft has dared go before - within the corona of a star", said project scientist Nicky Fox from Johns Hopkins University Applied Physics Laboratory. Now 91, Parker, the first living scientist to have a spacecraft named in his honor, flew to the Florida Space Coast to witness his first rocket launch. But when NASA launched its Mariner 2 spacecraft bound for Venus in 1962, it became the first robotic probe to make a successful planetary encounter, and it verified Parker's theory.

Reaching the required speed means the Parker Solar Probe needs one of the most powerful rockets ever built.

"We will also be listening for plasma waves that we know flow around when particles move", Fox added.

During its historic journey, the probe will jet past Venus at speeds of 430,000 miles per hour, the equivalent of flying from NY to Tokyo in one minute.

NASA's solar probe cleared for launch on mission to