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    • Outermost region of the Sun

      • The solar atmosphere is the outermost region of the Sun, visible during total solar eclipses. It consists of three primary layers: Photosphere Thickness/Size: Approximately 500 kilometers. Temperature: Around 5,500°C. Characteristics: The photosphere is the Sun’s visible surface, where light is emitted that we see from Earth.
      sciencenotes.org/layers-of-the-sun-diagram-and-facts/
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  2. Jun 21, 2022 · The sun's atmosphere is made up of several layers, mainly the photosphere, the chromosphere and the corona. It's in these outer layers that the sun 's energy, which has bubbled up from the sun's...

    • Solar Orbiter

      Venus' magnetism is a result of the interaction of the...

  3. Feb 3, 2024 · The solar atmosphere is the outermost region of the Sun, visible during total solar eclipses. It consists of three primary layers: Photosphere. Thickness/Size: Approximately 500 kilometers. Temperature: Around 5,500°C. Characteristics: The photosphere is the Sun’s visible surface, where light is emitted that we see from Earth.

  4. The Sun’s atmosphere is a complex system with distinct layers, each playing a crucial role in the star’s ability to influence our planet. The lowest part of the solar atmosphere is the photosphere, which is the visible surface we observe with the naked eye or standard telescopes.

  5. www.nasa.gov › image-article › sunThe Sun - NASA

    Jan 22, 2013 · The solar atmosphere is made up of: the Photosphere (the visible surface of the Sun), the Chromosphere (an irregular layer above the photosphere where the temperature rises from 6000°C to about 20,000°C), a Transition Region (a thin and very irregular layer of the Sun’s atmosphere that separates the hot corona from the much cooler ...

    • Why Is The Corona So dim?
    • Why Is The Corona So Hot?
    • Coronal Loops and Streamers
    • How Does The Corona Cause Solar Winds?

    The corona reaches extremely high temperatures. However, the corona is very dim. Why? The corona is about 10 million times less dense than the Sun’s surface. This low density makes the corona much less bright than the surface of the Sun.

    Image of corona from NASA's Solar Dynamics Observatory showing features created by magnetic fields. Image credit: NASA The corona’s high temperatures are a bit of a mystery. Imagine that you’re sitting next to a campfire. It’s nice and warm. But when you walk away from the fire, you feel cooler. This is the opposite of what seems to happen on the S...

    Coronal loops. Image credit: NASA/TRACE The surface of the Sun is covered in magnetic fields. This is the force that makes magnets stick to metal, like the door of your refrigerator. The Sun's magnetic fields affect charged particles in the corona to form beautiful features. These include streamers, loops, and plumes. We can view these features in ...

    The corona extends far out into space. From it comes the solar wind that travels through our solar system. The corona's temperature causes its particles to move at very high speeds. These speeds are so high that the particles can escape the Sun's gravity. Conceptual animation (not to scale) showing the Sun's corona and solar wind. Image credit: NAS...

  6. Apr 11, 2022 · Key Concepts and Summary. The Sun, our star, has several layers beneath the visible surface: the core, radiative zone, and convective zone. These, in turn, are surrounded by a number of layers that make up the solar atmosphere.

  7. Dec 14, 2021 · But it does have a superheated atmosphere, made of solar material bound to the Sun by gravity and magnetic forces. As rising heat and pressure push that material away from the Sun, it reaches a point where gravity and magnetic fields are too weak to contain it.

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