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Feb 3, 2024 · The heliosphere is the outermost layer of the solar atmosphere and is analogous to the Earth’s magnetosphere. It has the shape of a large tailed bubble around the Sun and planets, separating the solar system from the interstellar medium as the star travels through space.
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...
Oct 10, 2012 · The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona. IRIS will focus its investigation on the Chromosphere and Transition Region. More detail on the outer layers follows: Photosphere – The photosphere is the deepest layer of the Sun that we can observe directly.
- Photosphere
- Chromosphere
- Transition Region
- Corona
Temperature: 6500 Kelvin at the bottom to 4000 Kelvin at the top Density: 2 × 10−4 kg/m3 It is the deepest layer of the solar atmosphere that we usually see from earth covering a distance of about 400 km from the center of the solar disk. Due to its low density, it is relatively transparent, resulting in the photosphere being regarded as the visual...
Temperature: 4000 Kelvin at the bottom to 8000 Kelvin at the top Density: 5 × 10−6 kg/m3 It is found above the photosphere at a distance between 400 km to 2100 km above the solar surface. The temperature of chromosphere gets hotter as we go further away from the sun. Due to its high temperature hydrogen emits light that gives off a reddish color, k...
Temperature: 8000 Kelvin at the bottom to 500,000 Kelvin at the top Density: 2 × 10−10 kg/m3 A narrow region covering a thickness of about 100 km between the chromosphere and the next adjacent layer called the corona. The temperature in this region is also found to increase sharply as we move further away from the core and hence the name transition...
Temperature: 500,000 Kelvin at the bottom to 1,000,000 Kelvin at the top Density: 10−12 kg/m3 It is the outermost layer of the sun’s atmosphere that we normally see during a total solar eclipse. It starts at about 2100 km above the photosphere and has no upper limit as it merges with the sun’s outer atmosphere. It is the hottest part of the solar a...
Apr 11, 2022 · 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.
Oct 11, 2024 · The corona is in the outer layer of the Sun’s atmosphere—far from its surface. Yet the corona is hundreds of times hotter than the Sun’s surface. A NASA mission called IRIS may have provided one possible answer.
Above the chromosphere is the Sun’s outer atmosphere. It is called the corona, and can be seen in visible light during total eclipses of the Sun. It extends far out into space.
