"Teams worked very hard this evening, diligently getting through the launch process, looking at everything that they had to to get into the terminal count this evening", Mic Woltman, of NASA's Launch Services Program, said during NASA's broadcast of the launch attempt.
The probe aims to dip directly into our star's outer atmosphere, or corona. As soon as the red pressure alarm for the gaseous helium system went off, a launch controller ordered, "Hold, hold, hold".
The launch attempt was canceled after multiple delays.
The next launch window opens at 3:31 am on Sunday, when weather conditions are 60 per cent favourable for launch, according to Nasa. The webcast will begin at 3 a.m. EDT (0700 GMT). But four minutes before that, NASA announced a "no-go" as the probe team investigated an issue. Engineers tried to identifiy the problem, but the launch window - when a spacecraft can take off in the right direction due to the Earth's rotation - closed before they could make progress.
Nestled atop a United Launch Alliance Delta IV Heavy - one of the world's most powerful rockets - with a third stage added, Parker Solar Probe will blast off toward the Sun with a whopping 55 times more energy than is required to reach Mars.
Among the questions NASA is seeking to answer are why the corona is hotter than the sun's surface, as well as why the atmospheres is continually expanding and continually accelerating away from the star.
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"We will fly by Venus seven times throughout the mission".
"The Parker Solar Probe will help us do a much better job of predicting when a disturbance in the solar wind could hit Earth", said Justin Kasper, a project scientist and professor at the University of MI.
Over the course of its mission, the Parker Solar Probe will orbit the sun 24 times while being subjected to extreme heat and radiation, with temperatures expected to reach 1,377C, almost hot enough to melt steel.
The goal for the Parker Solar Probe is to make 24 passes through the corona during its seven-year mission.
It is created to withstand heat of up to 1,000 degrees Celsius, speeds of 700,000 kilometres per hour and a journey that will last seven years.
"And it needs to be, because it takes an vast amount of energy to get to our final orbit around the Sun", Driesman added. The names were uploaded to a memory drive that is being carried by the probe.