The sun is primarily a giant fusion reaction: Hydrogen and Helium. Hydrogen (with one proton in its nucleus) atoms at enormous pressure essentially "fuse" their nuclei... making two protons in the nucleus.. 2 protons= Helium. both of these are gases.
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The sun is a gigantic star at the center of the solar system that provides light, heat, and energy to Earth and other planets.
The sun is an average main sequence star.
"The sun is a giant grapefruit" is a statement about the sun that is not true.
The negation of the sentence the sun is shining would be that the sun is not shining.
Our sun is currently in the main sequence stage, where it is primarily converting hydrogen into helium through nuclear fusion in its core. This stage is characterized by a stable energy output and has been ongoing for about 4.6 billion years.
A possible thesis statement about the sun and the moon could be: "The sun and the moon play essential roles in shaping Earth's environment and human culture through their influence on climate, tides, and calendars."