Leptons

  • The Microscopic Universe

    FAS Astronomers Blog, Volume 31, Number 5. This is part 4 of a 5-part series on the Universe (The Visible Universe, The Dark Universe, The Expanding Universe, The Microscopic Universe, and The Multiverse). The universe is huge and filled with light. We can see out 46 billion light-years in any direction. It is full of…

  • The Standard Model of Particle Physics

    Young Astronomers Blog, Volume 28, Number 11. I thought we would take a different view of the Universe than most astronomers do and explore what the universe is made of … at a very small scale. Scientists call this the Standard Model of Particle Physics. Many of us learned that things are made of molecules, which are…