by: Admin_LouisPosted on: How are galaxies important to our existence? How are galaxies important to our existence?Einsteins—>> CationsBosonsIconsVirus-free. www.avg.com Share this:TwitterFacebookLike this:Like Loading... Related posts:What elementary particles are the building blocks for protons and neutrons?What particle is made up of two ‘down’ quarks and one ‘up’ quark?What type of elementary particles are electrons?What type of elementary particles create the strong force between quarks?