Observable universe - Study guides, Class notes & Summaries

ASTRO 102 Midterm 1 (UMich) Exam Questions & Answers 2023/2024 Milkyway contains ___ stars - ANSWER-100 billion Local Group - ANSWER-about 40 galaxies in galaxy cluster Superclusters - ANSWER-clusters of galaxy clusters 1 AU - ANSWER-earth's average distance from sun Light Year - ANSWER-distance light can travel in one year (9.46 tril km) Observable Universe - ANSWER-14 billion light years Big Bang - ANSWER-happened 14 bill years ago, avg. distance between galaxies increa...

Astro 102 Final Exam Ultimate Study Guide | 100% Correct Answers | Verified | Latest 2024 Version What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the Sun, youngest stars, and stars that all orbit in nearly the same plane What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy elements. Wh...

What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the Sun, youngest stars, and stars that all orbit in nearly the same plane What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy elements. What are the characteristics of spiral galaxies? - They contain abundant clouds of cool gas and dust, are rare...

Astronomy Final Exam with Complete Solutions 100% Solved Our solar system is located in the center of the Milky Way Galaxy. ️️False. Longitude measures angular distance north or south of Earth's equator. ️️False, Latitude. The observable universe is the same size today as it was a few billion years ago. ️️False. Earth is always precisely 1 AU away from the Sun. ️️False. The night sky changes with longitude. ️️False. Doubling the distance between two objects halves th...

all of the following are true. which of these gives evidence that quasars were more common in the early stages of the universe? - ️️they are more common at very great distances approximately how far is the sun from the center of the galaxy? - ️️27,000 light years Based on counting the number of galaxies in a small patch of the sky and multiplying by the number of such patches needed to cover the entire sky, the total number of galaxies in the observable universe is estimated to be appr...

BCBA 5th Edition ExamGoal of ABA as a science - correct answer Description, Prediction, Control Description - correct answer Lowest level, describing what happened that is observable. Ex. repeated movements of the hand up and down for more than 5 seconds. Prediction - correct answer predicting what will happen in something in the environment changes. Repeated observations that show these events correlate with each other (no causal relation). One of your main jobs, you need to be a good pre...

2023 Theoretical Basis for Nursing 5th Edition Test bank By McEwen Chapter 1 - 20 With Verified Questions And Answers • Nursing has been considered both a profession and an occupation. Which of the following supports defining nursing as a profession? A) Autonomy B) Learned vocation C) Varied level of skill D) Career with varied knowledge • How many levels of entry into practice exist for registered nurses? A) One B) Two C) Three D) Four • Nursing is classified as which...

Astronomy Exam Questions With Complete Solutions. Rank the galaxies from left to right based on the amount of time it has taken their light to travel to Earth, from the longest time to the shortest time: 5 billion light-years 800 million light-years 10 billion light-years 230 million light-years 2 billion light-years 70 million light-years 10 billion light years, 5 billion light years, 2 billion light years, 800 million light years, 230 million light years, 70 million light years R...

science, lawful relations - ANSWER-__ is more than the mere description of events as they occur. It is an attempt to discover order, to show that certain events stand in __ to other events (Skinner, 1953, p.6)." evidence - ANSWER-Being scientifically skeptical means that until there is __ available, assumptions should not be made. observer bias, experimental control, replication - ANSWER-In order to be excellent stewards of science, as behavior analysts, we can follow a few guidelines whe...

Define uniformitarianism CORRECT ANSWER the theory that changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes. What is the difference between Hypothesis and Theory? CORRECT ANSWER A hypothesis is either a suggested explanation for an observable phenomenon, or a reasoned prediction of a possible causal correlation among multiple phenomena. In science, a theory is a tested, well-substantiated, unifying explanation for a set of ...