What does solar wind mean?

Definitions for solar wind
so·lar wind

Here are all the possible meanings and translations of the word solar wind.

Princeton's WordNet

  1. solar windnoun

    a stream of protons moving radially from the sun

Wiktionary

  1. solar windnoun

    The outflow of charged particles from the solar corona into space. Because of the high temperature of the particles of the corona, they are moving at speeds higher than the solar escape velocity.

Wikipedia

  1. Solar wind

    The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona. This plasma mostly consists of electrons, protons and alpha particles with kinetic energy between 0.5 and 10 keV. The composition of the solar wind plasma also includes a mixture of materials found in the solar plasma: trace amounts of heavy ions and atomic nuclei such as C, N, O, Ne, Mg, Si, S, and Fe. There are also rarer traces of some other nuclei and isotopes such as P, Ti, Cr, 54Fe and 56Fe, and 58Ni, 60Ni, and 62Ni. Superposed with the solar-wind plasma is the interplanetary magnetic field. The solar wind varies in density, temperature and speed over time and over solar latitude and longitude. Its particles can escape the Sun's gravity because of their high energy resulting from the high temperature of the corona, which in turn is a result of the coronal magnetic field. At a distance of more than a few solar radii from the Sun, the solar wind reaches speeds of 250–750 km/s and is supersonic, meaning it moves faster than the speed of the fast magnetosonic wave. The flow of the solar wind is no longer supersonic at the termination shock. Other related phenomena include the aurora (northern and southern lights), the plasma tails of comets that always point away from the Sun, and geomagnetic storms that can change the direction of magnetic field lines.

Freebase

  1. Solar wind

    The solar wind is a stream of charged particles released from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 1.5 and 10 keV. The stream of particles varies in temperature and speed over time. These particles can escape the Sun's gravity because of their high kinetic energy and the high temperature of the corona. The solar wind creates the heliosphere, an enormous bubble in the interstellar medium that surrounds the Solar System. Other related phenomena include geomagnetic storms that can knock out power grids on Earth, the aurora, and the plasma tails of comets that always point away from the Sun.

Editors Contribution

  1. solar wind

    Is a current of energy from the Sun.

    The solar winds flow at superluminal speeds from the sun.

    Submitted by MaryC on December 11, 2015  

Suggested Resources

  1. solar wind

    Song lyrics by solar wind -- Explore a large variety of song lyrics performed by solar wind on the Lyrics.com website.

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Numerology

  1. Chaldean Numerology

    The numerical value of solar wind in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of solar wind in Pythagorean Numerology is: 7

Examples of solar wind in a Sentence

  1. Massimiliano Galeazzi:

    The first source is located outside our solar system and is generated by remnants of multiple supernovae explosions forming what is now called the Local Hot Bubble region of our galaxy, the second source is within the solar system and is generated by the solar wind charge exchange.

  2. Don Gurnett:

    In a historical sense, the old idea that the solar wind will just be gradually whittled away as you go further into interstellar space is simply not true, we show with Voyager 2 -- and previously with Voyager 1 -- that there's a distinct boundary out there. It's just astonishing how fluids, including plasmas, form boundaries.

  3. Ai Kashiwagi:

    Renewable energy sources such as solar, wind and thermal have so much potential here.

  4. Ed Stone:

    This has really been a wonderful journey that began with the launch of two spacecraft in 1977 to explore Jupiter and Saturn, our journey has expanded deeper and deeper into space. We had no quantitative idea of how big this bubble is that the sun creates around itself with its supersonic solar wind, made of ionized plasma, which is speeding away from the sun in all directions. And we didn't know the spacecraft could live long enough to reach the edge of the bubble, leave it and enter nearby interstellar space.

  5. Madhulika Guhathakurta:

    Space telescopes can't take us this close to the sun, the eclipse provides an opportunity for scientists to gather observations very close to the sun in white light, infrared, other wavelengths. This is the region that sets the boundary conditions for how the corona is heated, how is the solar wind accelerated -- conditions we call space weather. We are continuously still learning about this environment.

Images & Illustrations of solar wind

  1. solar wind


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