Our Sun may seem soft and fluffy, but it is not so. It is a huge ball of boiling gas, mainly hydrogen.
The upper image was taken in a single color of light with a hydrogen gas called alpha hydrogen. Infinite granules cover the surface of the solar photosphere like a dusty carpet, sauteed by regions illuminated with dark sunspots. On its left edge you can see a solar prominence.
The Sun shines because it is hot, but it is not a fireball. Fire is obtained from oxygen, and there is very little oxygen in the Sun. The energy source of the Sun is the nuclear fusion of hydrogen with helium inside its nucleus. But astronomers are still trying to understand why so few neutrinos in the solar core have been measured.
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