Traditional Culture Encyclopedia - Photography and portraiture - China's first solar exploration satellite and its achievements were officially released. What is the significance of this achievement?
China's first solar exploration satellite and its achievements were officially released. What is the significance of this achievement?
Secondly, it is of great significance to the complete outline of SiI spectral lines. ? Xi what? The observation with high spectral resolution and high temporal resolution can be used to observe the depth of the solar photosphere and chromosphere. CT? Scan. As the main scientific load of the satellite, H? The spectral imager belongs to the sun? Photographer? . It can complete more than 4,600 full solar scans in 46 seconds, obtain spectral information of more than 6,543,8+0,600 points, and obtain solar images of more than 300 wavelength points. These spectra hide different levels of atmospheric information in the solar photosphere and chromosphere.
In addition, it can better observe the solar spectrum. In a sun-synchronous orbit with a height of 5 17 km, it weighs 5 10 kg in the morning and evening. Xi what? Look at the sun Through the ultra-high pointing accuracy and ultra-high stability of the double super platform, it is equipped with H? Imaging spectrometer? Xi what? White light continuous imaging and spectral scanning imaging can better observe the sun. In the white light continuous imaging mode, you can get a complete image of the sun, just like pressing the shutter of your mobile phone to take a picture.
Guess what, Xi He? Successfully realized the world's first space-based sun H? Band spectral scanning imaging, the world's first in-orbit collection of the sun H? Fine structure of SiI and FeI lines. According to the fine structure of these spectral lines, we can infer the high-precision Doppler velocity field of the all-day chromosphere and the photosphere, and record the activities in the solar atmosphere in detail, so as to study the physical process of solar activities. At present,? Xihe? Chang 'e II is conducting scientific observation according to the established mission plan every day. Nearly 100 solar eruptions have been observed, related research work is under way, and scientific data has been opened to the world.
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