dark matter

  • The Dark Universe

    FAS Astronomers Blog, Volume 31, Number 3. This is part 2 of a 5-part series on the Universe (The Visible Universe, The Dark Universe, The Expanding Universe, The Microscopic Universe, and The Multiverse). There is much we can see in the visible universe. On the other hand, the universe is also dark and mysterious. And…

  • Dark Matter

    Young Astronomers Blog, Volume 28, Number 15. In a previous article, I explored the standard model of particle physics and discussed what ordinary matter is made of. All the matter that we can see and touch is composed of baryons (particles containing three quarks) and, as such, is referred to as baryonic matter. However, the…