In about 5 billion years, our Galaxy will collide with the Andromeda nebula. What are the consequences for galaxies? for the stars? for planets?

The shape of galaxies and their spiral arms will change dramatically. New foci of star formation will appear. Consequences for planetary systems are unlikely, since the distances between stars flying by are significantly greater than the sizes of planetary systems.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.