... The Dark Matter Universe . What is Dark Matter? . Dark matter is material that gravitates but does not emit very much light. ... Gravitational Lenses . How a Lens basically works . Theory: if the Universe is closed then all the luminous matter. ...
... Schematic of a proton: . Now it gets really weird: The Universe at times less than 0.0000000000000000000001 seconds. ... The uncertainty principle is important as the universe is in a quantum state initially (?) ...
... Important Simplification in the Early Universe: Thermal Equilibrium: . Only the temperature of the universe is important . ... Important Simplification in the Early Universe: Thermal Equilibrium: . Only the temperature of the universe is important . ...
... Two main observations: . as the universe expands (ages) its density goes down . The Microwave Background: . ... This is a manifestation of homogeneity in the Universe. Spectrum like that of a Blackbody radiator . ...
... Matter/Anti-Matter Assymetry has produced the observable universe . Average energy per photon is very high . ... Fusion stops . Universe consists of: . H,2(H),3(He),4(He),7(Li) . Still a long way to go to reach The Periodic Table . Note;. ...
... Universal Expansion means the universe used to be a small place where all the matter was together as the universe expands (ages) its density goes down . ...