Spiral galaxy rotation Study guides, Class notes & Summaries

Set 6 Unit 6.5 Space Systems Part 1 20 CORRECTLY ANSWERED QUESTIONS LATEST UPDATE gravity Big Bang Theory galaxy solar system Milky Way spiral galaxy star nebula asteroid belt orbit axis hydrogen International Space Station ISS light year radiation astrophysicists luminosity rotation revolution scattering

AST101 Clicker Quizzes UofT with 100% Correct Answers What does the term "Solar System" mean? - Answer- The Sun, the planets, and all of their moons What does the term "Universe" mean? - Answer- The totality of all space, time, energy, and matter Earth is 1 AU from the Sun. What is the maximumpossible separation between Earth and Mars? (Hint: Mars is the next farthest planet from the Sun) - Answer- 2.5 AU A 'light year' is a measure of: - Answer- distance Stars are... - Answer- bal...

Earth and Space Science Answers (900+) What are the five characteristics a substance must have to be classified as a mineral? Why isn't coal a mineral? Why isn't glass a mineral? What is a mineral that contains a useful substance or element, such as iron or aluminum? The higher you are on the Moh's Hardness Scale, the more materials you will... The lower you are on the Moh's Hardness Scale, the more materials you will... What is the order of the Moh's Hardness Scale from softest to h...

the speed of light is about ___________________. - correct answer 1 ly/year Imagine that you travel the speed of light. Starting from earth, how long would it take you to travel to the center of the milky way galaxy - correct answer about 28,000 years the galactic center lies in the direction of which constellation - correct answer sagittarius we have evidence that a black hole lays in the very center of the Milky Way galaxy. what is the mass of this black hole - correct answer 4 millio...

What is the approximate rotation period of the sun? - ANSWER 25 days (equator) 36 days (poles) What is the approximate mean density of the Sun? - ANSWER 1410 kg/m3 What is the approximate surface temperature of the Sun? - ANSWER 5780 K How do we determine the luminosity of the Sun? - ANSWER L=Flux* 4 π R² What is the temperature of the core of the Sun? - ANSWER 15 million K What mechanism produces the energy in the core of the Sun? - ANSWER In the core, energy is produced by h...

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 reproduced, ...

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 reproduced, stored in a retriev...

EARTH SCIENCE Exam Review 2023 Already Passed seismic waves *** Vibrations that travel through Earth carrying the energy released during an earthquake. crust *** the outer layer of the Earth mantle *** the layer of hot, solid material between Earth's crust and core lithosphere *** the solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle asthenosphere *** the soft layer of the mantle on which the lithosphere floats basalt *** a rock ...

What is the speed of light? Correct answer- Light can travel enormous distances under short periods of time. It is faster than any other phenomenon. It takes about 8 minutes for light to travel from the Sun to Earth. The speed of light in a vacuum is c=3x10^8 m/s. Why is light such an important tool for astronomers? Correct answer- Because light is how we learn about distant objects without travelling there. It is also a measuring took of astronomy. Light is a wave and a particle. How are ...

Integrated Physical Science C165 TEST REVIEW Questions & Answers 2023 Review Rated 100% the study of forces, energy, motion *** physics study of atoms and molecules, their structures, and their interactions to form various substances. *** Chemistry Earth's structure and composition, as well as the processes that change Earth, such as volcanic and seismic activity. *** Earth Science The study of the moon, stars, and other objects in space *** astronomy An organized way of gatherin...