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File: The Sun by the Atmospheric Imaging Assembly of NASA's Solar Dynamics Observatory - 20100819.jpg
A solar symbol is a symbol representing the Sun. Common solar symbols include circles (with or without rays), crosses, and spirals. In religious iconography, personifications of the Sun or solar attributes are often indicated by means of a halo or a radiate crown.
Although image is in grayscale, it correctly presents true white color of Sun's photosphere. Solar faculae are bright spots in the photosphere that form in the canyons between solar granules , short-lived convection cells several thousand kilometers across that constantly form and dissipate over timescales of several minutes.
Based on remote images of the corona, estimates had put it somewhere between 10 and 20 solar radii from the surface of the Sun. On April 28, 2021, during its eighth flyby of the Sun, NASA's Parker Solar Probe encountered the specific magnetic and particle conditions at 18.8 solar radii that indicated that it penetrated the Alfvén surface.
This is a featured picture, which means that members of the community have identified it as one of the finest images on the English Wikipedia, adding significantly to its accompanying article. If you have a different image of similar quality, be sure to upload it using the proper free license tag , add it to a relevant article, and nominate it .
Image of the Sun's cell-like surface structures. The visible surface of the Sun, the photosphere, is the layer below which the Sun becomes opaque to visible light. [77] Photons produced in this layer escape the Sun through the transparent solar atmosphere above it and become solar radiation, sunlight.
A telescope eyepiece can project the image, without filtration, onto a white screen where it can be viewed indirectly, and even traced, to follow sunspot evolution. Special purpose hydrogen-alpha narrow bandpass filters and aluminum-coated glass attenuation filters (which have the appearance of mirrors due to their extremely high optical ...
File:Sun, Earth size comparison labeled.jpg The sun and the earth. Size comparison only. The Earth and Sun are approximately 150 gigameters (1AU) or around 107 suns apart. File:Sun, Earth size comparison.jpg Without text Not for voting. The Earth and moon, shown to scale including correct relative distance. An amazing picture of the sun and the ...