So a rocket moves by having a big explosion push it. A car moves by little tiny explosions moving things and then mechanics to get it to the wheels, how does light power itself to move? especially with how fast it moves?
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Light isn’t accelerating. Cars and rockets are. A photon’s momentum and kinetic energy are part of the photon, and are imparted to it instantly as the photon is created in some interaction between particles. Ultimately, it “pushed off” of the particle that emitted it; that particle gets a slight recoil in the other direction (usually a pretty small one, since the momentum of a photon is typically small compared to the momentum of typical particles).
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