How is alpha pegasi or markab related to galaxies?

That's a star. A galaxy is much larger than a star; a typical galaxy contains several hundred billion stars.

That's a star. A galaxy is much larger than a star; a typical galaxy contains several hundred billion stars.

That's a star. A galaxy is much larger than a star; a typical galaxy contains several hundred billion stars.

That's a star. A galaxy is much larger than a star; a typical galaxy contains several hundred billion stars.