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    Parker Solar Probe tagged posts

    NASA’s Parker Solar Probe aims to Fly Closer to the Sun like never before

    December 22, 2024, Categories  Astronomy/Space

    NASA's Parker Solar Probe aims to fly closer to the sun like never before
    This image made available by NASA shows an artist’s rendering of the Parker Solar Probe approaching the Sun. It’s designed to take solar punishment like never before, thanks to its revolutionary heat shield that’s capable of withstanding 2,500 degrees Fahrenheit (1,370 degrees Celsius). Credit: Steve Gribben/Johns Hopkins APL/NASA via AP, File

    A NASA spacecraft aims to fly closer to the sun than any object sent before. The Parker Solar Probe was launched in 2018 to get a close-up look at the sun. Since then, it has flown straight through the sun’s corona: the outer atmosphere visible during a total solar eclipse.

    The next milestone: closest approach to the sun. Plans call for Parker on Tuesday to hurtle through the sizzling solar atmosphere and pass within a record-breaking 3...

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    Switchbacks: Solar Jets may hold the Key for Understanding Complete Magnetic Field Reversals

    December 9, 2024, Categories  Astronomy/Space

    Switchbacks: Could solar jets hold the key ?
    Simulation domain and magnetic topology. Top left: 3D volume of the domain of the simulation with the root blocks of the grid. Bottom left: A 2D cross section at constant angle of ϕ = 0° of the velocity color at t = 5500 s. This snapshot highlights the spatial distribution of the velocity. The grid block boundaries are delineated by gray lines. Each block contains 8 × 8 × 8 cells. Right: Initial magnetic topological structure. The isosurface of plasma β = 20 (red spheroid) indicates the location of the 3D magnetic null point. Magnetic field lines of distinct connectivity bounding the separatrix surface are represented, either closed (white field lines) or open to the heliosphere (blue field lines). Credit: Astronomy & Astrophysics (2024). DOI: 10...
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    New Study Identifies Mechanism driving the Sun’s Fast Wind

    June 12, 2023, Categories  Astronomy/Space

    Image credit: Amanda Smith / University of Birmingham

    Release of magnetic energy near the sun’s surface enables the solar wind to reach gravity-defying speeds. In a paper published June 7, 2023 in the journal Nature, a team of researchers used data from NASA’s Parker Solar Probe to explain how the solar wind is capable of surpassing speeds of 1 million miles per hour. They discovered that the energy released from the magnetic field near the sun’s surface is powerful enough to drive the fast solar wind, which is made up of ionized particles — called plasma — that flow outward from the sun.

    James Drake, a Distinguished University Professor in the University of Maryland’s Department of Physics and Institute for Physical Science and Technology (IPST), co-led this research alongside firs...

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    Parker Solar Probe Flies into the Fast Solar Wind and finds its Source

    June 9, 2023, Categories  Astronomy/Space

    Artist’s concept of the Parker Solar Probe spacecraft approaching the sun. Launched in 2018, the probe is increasing our ability to forecast major space-weather events that impact life on Earth. (Image credit: NASA)

    NASA’s Parker Solar Probe (PSP) has flown close enough to the sun to detect the fine structure of the solar wind close to where it is generated at the sun’s surface, revealing details that are lost as the wind exits the corona as a uniform blast of charged particles.

    It’s like seeing jets of water emanating from a showerhead through the blast of water hitting you in the face.

    In a paper to be published in the journal Nature, a team of scientists led by Stuart D...

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