No, the fact that some planets spin in the opposite direction is not evidence against the Big Bang theory. The Big Bang theory is a widely accepted scientific explanation for the origin and evolution of the universe. It describes the expansion of space and the subsequent development of galaxies, stars, and planets.
The rotation of planets is influenced by a variety of factors, including the initial conditions of their formation and subsequent interactions with other celestial bodies. During the formation of a planetary system, a spinning disk of gas and dust collapses under gravity to form planets. Various factors, such as the collisions and interactions between objects in the disk, can influence the direction of a planet's rotation.
The direction of a planet's rotation can be either prograde (in the same direction as its orbit) or retrograde (in the opposite direction of its orbit). Retrograde rotation is less common but not unheard of. It is believed to occur due to complex interactions, such as gravitational perturbations or collisions with other objects, that can alter a planet's spin.
The presence of planets with retrograde rotation does not contradict the Big Bang theory, as the theory is concerned with the early stages of the universe, the formation of galaxies, and the distribution of matter on a much larger scale. The rotation of individual planets is a consequence of local processes within planetary systems and does not invalidate the overall framework of the Big Bang theory.