Text: With these 4 forces, we have described: Electromagnetic phenomena such as light, radio, radar, gamma rays, and magnetism, and holding atoms together by keeping electrons close to the nuclei of atoms; Weak Force phenomena such as radioactivity that makes luminous watch dials glow; Color Force phenomena such as nuclear reactions that keep the Sun burning and holding atomic nuclei together by keeping quarks close to each other inside the nuclei; Gravitational phenomena such as holding the Earth together, holding the Sun together while it burns its nuclear fuel, and holding the Solar System and the Galaxies together.

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