Celestial sphere Study guides, Class notes & Summaries

Astro 101 - Exam 1 UMich Questions & Answers 2023/2024 what is our planet in the solar system - ANSWER-part of the solar system, in the milky way galaxy, in local group of galaxies, in local supercluster how did we come to be - ANSWER-the Big Bang which produced hydrogen and helium where did elements come from - ANSWER-the big bang produced H and He, which are the base of other elements constructed in stars how old are we in comparison to the universe - ANSWER-human civilization is...

1) How many stars can you see with your naked eye on a clear, moonless night from a dark location? A) fewer than a thousand B) a few thousand C) about ten thousand D) about a hundred thousand E) more than you could count in your lifetime - correct answer B) a few thousand 2) Which of the following best describes the modern definition of a constellation? A) a region of the celestial sphere B) a pattern of bright stars in the sky C) a Greek mythological figure D) a collection of stars ...

Why do we see the Moon appear to go through phases as seen from Earth? A. The Moon reflects "Earthshine", so it depends on how much light from the Earth is hitting the Moon B. As the Moon rotates, it presents a different phase to us over the course of its "day". C. Depending on where the Moon is along its orbit, we see different amounts of its illuminated side D. The Earth's shadow blocks out part of the Moon from time to time - C. Depending on where the Moon is along its orbit, we see...

The Cosmic Perspective, 7th Edition, Testbank | 2022 latest update 1 Copyright © 2014 Pearson Education, Inc. The Cosmic Perspective, 7e (Bennett et al.) Chapter 1 A Modern View of the Universe 1.1 Multiple-Choice Questions 1) What is the meaning of the word cosmos? A) the origin of Earth and life upon it B) the light from a distant astronomical object C) the Milky Way D) the sum total of all matter and energy, that is, everything within and between all galaxies E) the dark sky Ans...

What is the definition of the Astronomical Unit? correct answer: The average distance between the Sun and the Earth Which sequence is correct when ordered by increasing size? correct answer: Earth Solar System Milky Way Galaxy Galaxy Clusters How many stars does a typical galaxy like the Milky Way Galaxy contain? correct answer: a few hundred billion How long does it take for light to cross the diameter of the Milky Way Galaxy? correct answer: about 100,000 years Which of the ...

Why do we see the Moon appear to go through phases as seen from Earth? A. The Moon reflects "Earthshine", so it depends on how much light from the Earth is hitting the Moon B. As the Moon rotates, it presents a different phase to us over the course of its "day". C. Depending on where the Moon is along its orbit, we see different amounts of its illuminated side D. The Earth's shadow blocks out part of the Moon from time to time - C. Depending on where the Moon is along its orbit, we see...

Q1.1: If every star in the universe was a grain ofsand, which of the following would be filled ~4meters deep in sand? A. This classroomB. Cal Poly campusC. SLO countryD. CaliforniaE. Continental US - SLO Q3.2: If you walk out of this building and face directly south, which direction is east? A. Slightly to the rightB. Slightly to the leftC. Directly rightD. Directly leftE. Behind you - D Q4.1: Imagine that from your current location you observe a star rising directly in the east.When this s...

AST Test Prep 1A Review Latest Update Graded A Lunar Eclipse An event that occurs at full Moon, can be seen by about half of Earth at once. Synodic Period A celestial object's rotational/orbital period measured with respect to the Sun. Umbra The central & darkest portion of a shadow Waxing "growing." to increase in size Celestial Equator A projection of the Earth's equator to space Celestial Sphere A convenient though imaginary reference frame to measure celestial positions by. Opposi...

PHSC 121 Homeworks (1-4) 1st Exam Questions All Correctly Answered Astronomy is the study of ___________________. a. the Solar System b. galaxies c. the entire universe d. the planets of the Solar System - Answer -c. the entire universe Which of the following is not a step in the scientific method? a. evaluate science opinion b. refine hypothesis, develop theory c. evaluate data d. draw new conclusions from experimental data and observations - Answer -a. evaluate science opinio...

AST 101 EXAM 1 QUESTIONS AND ANSWERS 100% PASS the average distance from the earth to the sun is what unit? 1 astronomical unit the distance light travels in a year 1 light year the andromeda galaxy is how many light years away 2,000,000 ly the stars that appear to lie on a dome above us is the ____ _______ the celestial sphere the stars appear to be ____ on the celestial sphere fixed the earth is what in the celestial sphere model? the center of the universe what part of the celestial sph...