Galaxies and cosmology - Study guides, Class notes & Summaries

Astronomy: Stars and Galaxies. Covering stars, galaxies, the Doppler effect, Cosmology, Cosmogony, the big bang, and more.

Astronomy is the study of celestial bodies, space, and the universe. It explores phenomena beyond Earth’s atmosphere, with branches like astrophysics, cosmology, planetary science, and stellar astronomy. Ancient civilizations laid its foundation, later advanced by figures like Copernicus and Galileo. Key tools include telescopes, spectroscopy, and astrometry. The solar system comprises the Sun, planets, moons, asteroids, and comets. Stars evolve through stages, leading to phenomena like supern...

Cosmology is the scientific study of the origin, evolution, and structure of the universe. Key concepts in cosmology include: The Big Bang Theory: The leading explanation for the universe's origin, suggesting it began as a singularity and has been expanding ever since. Cosmic Microwave Background (CMB): Radiation left over from the early, hot phase of the universe, providing evidence for the Big Bang. Dark Matter: A mysterious form of matter that doesn't emit light but affects the univers...

physics - Branch of science that involves the study of the physical world: energy, matter and how they are related. mechanics - branch of physics that studies motion and forces thermodynamics - the study of the energy's system of particles Electromagnetism - the study of electricity, magnetism, and the relationship between them optics - the study of the generation, transmission, and detection of visible, infrared, ultraviolet, and microwave radiation nuclear physics - the study of the n...

Exam (elaborations) TEST BANK FOR Fundamentals of Cosmology, 2nd ed By J. (James) Rich (Solution Manual) James Rich Solutions of Fundamentals of Cosmology 123 Solutions Chapter 1 1.1 If ΩM = ΩT = 1, then ΩM(a) = ΩT(a) = 1 for all a(t). Structure formation never ceases as larger and larger regions of negative Newtonian energy detach from the expansion. The values of the Ω’s for the ΩM = ΩT = 0.3 and the ΩM = 0.3,ΩΛ = 0.7 models are shown in Fig. 1. Fig. 1 The solid line...

The Big Bang Theory 2023 Questions and Answers with complete solution What is the Big Band Theory? A theory that 14 billions years ago all matter and energy in the universe was compressed into an extremely small volume that exploded and began expanding in all directions. What evidence supports the Big Bang Theory? 1. Hubble found that the spectra of galaxies were shifted towards the red end of the spectra indicating that the universe is still expanding. RED SHIFT 3. Cosmic background radi...

The Big Bang Theory 2023 Questions and Answers with complete solution What is the Big Band Theory? A theory that 14 billions years ago all matter and energy in the universe was compressed into an extremely small volume that exploded and began expanding in all directions. What evidence supports the Big Bang Theory? 1. Hubble found that the spectra of galaxies were shifted towards the red end of the spectra indicating that the universe is still expanding. RED SHIFT 3. Cosmic background radi...

PHY 102: Exam and Homework Q's and Answers Which of the following are parts of the scientific process, as described in class? (Check all that apply). Answer- A. building a theory or hypothesis E. careful observation or measurement F. experimental tests of a hypothesis H. modification of the model or theory (if needed) The speed of light, c, (measured in meters/second) is...? Answer- E. 300,000,000 A light year is... Answer- C. a unit of distance Color, Wavelength, Frequency, ...

Which of the following are parts of the scientific process, as described in class? (Check all that apply). Answer- A. building a theory or hypothesis E. careful observation or measurement F. experimental tests of a hypothesis H. modification of the model or theory (if needed) The speed of light, c, (measured in meters/second) is...? Answer- E. 300,000,000 A light year is... Answer- C. a unit of distance Color, Wavelength, Frequency, and Energy are all equivalent descriptions for a partic...

A detailed cheat sheet for Professor Applegate's Stars, Galaxies, and Cosmology introductory Astronomy course. It's is a super interesting class, for non-STEM and STEM students. It's an easy way for humanities students to fulfill their science requirements. This document includes chapter themes, keywords, and key topics for the midterm exam.