Spiral galaxy rotation Study guides, Class notes & Summaries

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...

The disk of the galaxy is older than the halo. - F The density wave theory explains spurs and branches along the spiral arms. - F Giant molecular cloud complexes are located in spiral arms. - T Shapley found the distance to the center of the galaxy by studying the distance to open clusters - F The center of our galaxy is located in the direction of the constellation of Orion - F The rapid rotation in the outer disk suggests that our galaxy is more massive than previously thought. - T S...

Scientific notation is used in science because - it makes it easy to write big or small numbers. The average distance from Earth to the sun is - 1 AU The sun is - a star 1 AU from Earth. more than 100 times the diameter of Earth. A galaxy contains - gas, dust, and stars, and a lot of dark matter. The Milky Way Galaxy - contains about 100 billion stars. 2.9×107 is the same as - . 29 million It takes light 1.3 seconds to travel from the moon to Earth and 8 minutes to travel from the s...

1) The rotation curve of the Milky Way suggests that the majority of the mass of the Milky Way lies farther out than the Sun's orbit. A) True B) False 1) 2) Which of the following best describes the evolutionary track followed on the H-R diagram for the most massive stars (before the star undergoes a Type II supernova)? A) horizontally right, then forms a clockwise loop B) horizontally right, diagonally to lower left, then horizontally right C) diagonally to lower right, then vertical,...

How do we classify galaxies? - We classify galaxies based on if they are spiral, elipitical or irregular. The size is determined be the halo. What kind of stars do elliptical galaxies contain? - Ellipitcal galaxies have only older stars. There is no gas or dust to create new stars. What kind of stars do spiral galaxies contain? - Spiral Galaxies contain old and new stars and much gas and dust. How is the light from active galaxies different from light from normal galaxies? - Active ga...

TMS Astronomy Exam Questions Correctly Answered. Universe - CORRECT ANSWER All existing matter and space Galaxy - CORRECT ANSWER A collection of stars, dust, and gas bound together by gravity Spiral Shaped Galaxy - CORRECT ANSWER A galaxy that looks like a disc, or pin wheel Irregular Shaped Galaxy - CORRECT ANSWER A galaxy that does not have a defined shape Elliptical Shaped Galaxy - CORRECT ANSWER A galaxy shaped as an oval or egg-shaped Milky Way Galaxy - CORRECT ANSWER Th...

1. Which of the following definitions best describes a constellation? a. a region of the sky containing a certain star pattern b. a group of very bright stars c. a group of very faint stars d. the dividing line between the north and south celestial hemispheres ANSWER: a 2. How many official constellations are there? a. 98 b. 88 c. 13 d. 55 ANSWER: b 3. Which of the following best describes the Big Dipper? a. an asterism b. a faint star near...

Earth Science Questions and Answers 100% Pass What is the relationship between the design of the earth, its moon, and the sun, with the living things that inhabit the earth? Every aspect of Earth's physical structure is linked to God's design of living things.The immensity and precision of this grand system reminds us that God is great and good. Give two reasons why the earths' mass is designed for life. 1. The earth's 3 billion trillion metric tons of mass produces just the right amount o...

ASTRONOMY ASTRONOMY A Self-Teaching Guide Seventh Edition Dinah L. Moché, Ph.D. John Wiley & Sons, Inc. This book is printed on acid-free paper.• Copyright © 1978, 1981, 1987, 1993, 2000, 2004, 2009 by John Wiley & Sons, Inc. All rights reserved Published by John Wiley & Sons, Inc., Hoboken, New Jersey Published simultaneously in Canada. No part of this publication may be reproduc...

ASTRONOMY ASTRONOMY A Self-Teaching Guide Seventh Edition Dinah L. Moché, Ph.D. John Wiley & Sons, Inc. This book is printed on acid-free paper.• Copyright © 1978, 1981, 1987, 1993, 2000, 2004, 2009 by John Wiley & Sons, Inc. All rights reserved Published by John Wiley & Sons, Inc., Hoboken, New Jersey Published simultaneously in Canada. No part of this publication may be reproduc...