A star doesn't become a galaxy. A galaxy is a colection of (among other things) millions, but usually billions, of stars.
sun is the brightest star in the galaxy
galaxy: star and star (your welcome)
A star is one, a galaxy is many.
what star?
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.
A star - especially as a galaxy is formed of billions of stars.
Our Galaxy, the Milky Way Galaxy
Polaris is not a galaxy, it is a star.
A group of star is called galaxy.
Yes, a Lyman-break galaxy is a star forming galaxy at a high redshift.
a) Earth is not a star, but a planet. b) Earth is not part of "another galaxy", but of our own galaxy.
No galaxies is way biger than a star, a star is .0000765% of a galaxy.