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The sun makes up 99.8% of all the mass in our solar system. It exerts a strong gravitational force that holds the planets in their orbits.
Hydrogen is 71% of the sun.
Hydrogen makes up about 75% of the sun's mass. It is the primary fuel source for the sun's nuclear fusion reactions that produce energy.
Hydrogen makes up about 75% of the Sun's mass. This hydrogen is converted into helium through nuclear fusion in the Sun's core, releasing enormous amounts of energy in the process.
The sun makes up 99 percent of the solar system by mass because it is incredibly massive compared to all the other objects in the solar system combined. Its gravity dominates the system and holds everything else in orbit around it.
99%