Parker Photo voltaic Probe heading for third shut go by Solar – Astronomy Now

August 14, 2019 - Comment

An artist’s impression of the Parker Photo voltaic Probe approaching the Solar. Picture: NASA/Johns Hopkins APL/Steve Gribben The $1.5 billion Parker Photo voltaic Probe is heading for its third shut flyby of the Solar on 1 September, and officers say the spacecraft is gathering much more information concerning the photo voltaic wind and the physics



An artist’s impression of the Parker Photo voltaic Probe approaching the Solar. Picture: NASA/Johns Hopkins APL/Steve Gribben

The $1.5 billion Parker Photo voltaic Probe is heading for its third shut flyby of the Solar on 1 September, and officers say the spacecraft is gathering much more information concerning the photo voltaic wind and the physics of the corona than initially anticipated.

“We’re very blissful,” mentioned Nicky Fox, director of NASA’s Heliophysics Division at NASA Headquarters in Washington, DC. “We’ve managed to deliver down a minimum of twice as a lot information as we initially suspected we’d get from these first two perihelion passes.”

Launched 12 August 2018, the Parker Photo voltaic Probe was launched on a trajectory that designed to repeatedly carry it previous Venus for gravity-assist flybys that may regulate the spacecraft’s orbit to arrange a minimum of seven shut passes by means of the Solar’s outer environment, or corona.

A significant thriller the spacecraft’s devices are anticipated to assist remedy is what causes the corona to warmth as much as hundreds of thousands of levels when the seen floor of the Solar beneath is far cooler. Passing inside 6.1 million kilometres (three.eight million miles) of the Solar’s seen floor, the Parker probe’s warmth defend will endure temperatures as much as 1,370 levels Celsius (2,500 Fahrenheit).

Together with finding out the physics of the corona, the Parker probe is also monitoring the photo voltaic wind in extraordinary element. A brief video primarily based on information collected 6-10 November exhibits the wind flowing from left to proper. A brilliant streamer is seen stretching from the left fringe of the body with the middle of the Milky Manner seen at proper.

The video seems to hurry up and decelerate as a result of the Vast-field Imager for Photo voltaic PRobe – WISPR – instrument captures extra frames throughout shut method to the solar than it does farther out. The brilliant “star” within the video that strikes into the body from the left is Mercury.

“The info we’re seeing from Parker Photo voltaic Probe’s devices is exhibiting us particulars about photo voltaic buildings and processes that we’ve got by no means seen earlier than,” mentioned Nour Raouafi, Parker Photo voltaic Probe challenge scientist on the Johns Hopkins Utilized Physics Laboratory. “Flying near the Solar, a really harmful setting, is the one method to get hold of this information, and the spacecraft is performing with flying colors.”

An evaluation of information gathering throughout Parker’s first two orbit can be launched later this yr.

 



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