Questions with the keyword 'matter'

• If we ever reach absolute zero where all movement of particles stops, will this create a fifth phase of matter or will by geoffthellama1234 to Arttu, Ceri, James_M Comments: (No comments so far )
• Why does it seem like the gravitational mass of galaxies exceeds the mass of all the stuff we can see, even taking into by maxsmith1 to Arttu, Ceri, James_M, Monica, Philip Comments: (No comments so far )
• Could there theoretically be more than three generations of normal matter (ignoring sparticles)? Why, or why not? by strangeness to Arttu, Ceri, James_M, Monica, Philip Comments: (So far, one comment )