How many yellow dwarf stars are there in the Galaxy?

You can have a look at the initial mass function (IMF), which is an empirical function (which is to say, based on observation rather than having a fundamental theoretical foundation) that describes the distribution of initial stellar masses. read more

Among the stars in the galaxy, yellow dwarf stars are bigger than most of the stars although giant stars are the biggest of all. Being a yellow dwarf, the sun is 1,412,000,000,000,000,000 cubic kilometers big and has a size that is more or less 1,989,100,000,000,000,000,000,000,000,000 kilograms. read more

Dwarf galaxy. A dwarf galaxy is a small galaxy composed of about 100 million up to several billion stars, a small number compared to the Milky Way's 200–400 billion stars. read more