Stars Stars, Galaxies, and the Universe Ch 30 SOL 13 Objective ES 1 and 2.
Electromagnetic Spectrum. The Universe The Big Bang forms the universe….. The energy creates stars. Gravity pulls stars together into Galaxies. The stars.
Our Place in the Cosmos Lecture 12 Stellar Evolution.
Does The Universe Have A Metal Floor? Matthew Pieri The Ohio State University, 1st November, 2007 Collaborators: Hugo Martel, Joop Schaye, Anthony Aguirre,
El universo: Edad: 13.7 millardos de años (1 % de error) Expansión: 71 km/sec/Mpc actualmente (5 % de error) 73% = Energía oscura 23% = materia oscura.
