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 ...

Even though it is not realistic, why is the celestial sphere model useful? Correct Answer-Describes the locations of things "on" the sky. Declination is measured from the _________ to the __________ Correct Answer-celestial equator; celestial poles How do you measure right ascension? Correct Answer-Measured from "First point in Aries" around the celestial equator Latitude is to declination as longitude is to __________ Correct Answer-Right Ascension Why are the zodiacal constella...

Constellations Correct Answer-Recognizable patterns of stars in the sky (big dipper, orions belt) Makes locating stars easier. The official borders were set in 1928 by the International Astronomical Union (IAU). How many constellations are there? Correct Answer-88 Celestial sphere Correct Answer-our view of the night sky; an artificial sky map created by astronomers that applied a coordinate system to it, analogous to the coordinate system of north-south latitude and east-west longitude ...

astronomy Correct Answer-the oldest natural science how many constellations are there over the celestial sphere? Correct Answer-88 Ecliptic Correct Answer-apparent path of the Sun across the Celestial Sphere. Constellation Correct Answer-a region in the sky useful for mapping the sky. The brightest stars in a constellation Correct Answer-may actually be quite far away from each other zentih Correct Answer-the point directly overhead (altitude= 90) horizon Correct Answer-all poi...

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...