Keep in mind that these were at distances of around a billion light-years. How many galaxies are there within a billion light-years of Earth? A lot. Millions in

Keep in mind that these were at distances of around a billion light-years. How many galaxies are there within a billion light-years of Earth? A lot. Millions in fact. Millions of galaxies all with hundreds of billions of stars in them, adding up to hundreds of quadrillions of stars in that volume.