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This site displays the planets orbiting the sun in realistic sizes and orbits. It also shows the stars and constellations, and how they change over time. This site is supposed to get people to realize the actual proportions of the solar system, because many people have an inaccurate picture of it in their mind. I would recommend this site because it is so clear about all its information, is educational, and looks cool. This site really made me understand both the solar system and the stars.

This is a site that is supposed to help people learn about the structure of the atom. It is also supposed to clear up any misconceptions about how the atom is organized and what it is made up of. This article talks about the particles that make up the protons and neutrons in the nucleus, and how electrons really orbit the an atom. This site is all about atoms and how the forces within them work, allowing them to bond together. I would recommend this site to anyone who wants to learn more about atoms, it has more information than we go into in class, so it would be helpful to anyone who wants to do extra work.

Lecture 2's emphasis is on the hydrogen atom. The lecture specifically addressed the binding energies of the electron and nucleus, verification of hydrogen-atom energy levels and wavefunctions or orbitals (for the hydrogen atom), explained using the Schrödinger equation and diagrams.