CAS ES 144 Lecture Notes - Lecture 7: Cosmic Ray, Deuterium, Energy Density
18 Jan 2018
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Document Summary
Oceanography: a compound term originating from greece combining the greek word of ocean and writing. Age: 4 billion years (give or take) Gas planets: jupiter(has 26 moons), saturn(3 moons), uranus, neptune, triton. As of december 2015, the confirmed liquid water in our solar system, excluding earth, is. 25-50 times greater than the collective volume of earth"s water. The big bang: a concentration/compression of all existing matter into one specific point. Dark matter: energy remnants from the big bang which can still be found as it cools through time. As a result, more and more dark matter is formed as time passes on. Over time, dark matter changes into dark energy. Cosmic radiation is the remnants of the big bang. Therefore it can be concluded that the universe is always expanding as particles such as neutrinos and photons. Collisions between particles such as neutrinos and protons created one of the first atoms, hydrogen.
