17,18 Questions. All the material on earth is in three states-solid, liquid, and gas. At least five of these ten statements are false. It consists of both a disk and a halo of stars. 1. … It is a spiral galaxy.

Which of the following statements is (are) incorrect?

Learn vocabulary, terms, and more with flashcards, games, and other study tools. Start studying PH109 Ch. 4) We know how old the Universe is (provided the laws of physics did not change over time). A block of wood, milk, and air all have properties. c. there is evidence that it is not exactly spherical, but elongated . At least six of these ten statements are false. astronomers have a pretty good idea what the dark matter is made of. Which of the following statements about X rays is incorrect? d) Dark matter is the dominant source of gravity in the universe. test bank 21st century astronomy the solar system 5th edition by kay TEST BANK FOR MACROECONOMICS 20TH EDITION BY MCCONNELL, BRUE, FLYNN TEST BANK OF BASIC STATISTICS FOR BUSINESS AND ECONOMICS 5TH EDITON BY LIND MARCHAL Define the bold-faced vocabulary terms within the chapter. 4. Pick the best answer. 6. a. At least one of these ten statements is false. The "state" of the matter refers to the group of matter with the same properties. This courseware module is part of Penn State's College of Earth and Mineral Sciences' OER Initiative. c) Dark matter is inferred based on unseen gravitational effects in galaxies.

c. Stars form from the interstellar matter in the spiral arms. b. X rays can penetrate soft body tissue.
X-ray observations indicate that around the Milky Way there may be an extended halo of a. hot and diffuse gas at 2 million K, similar to that in the solar corona. At least seven of these ten statements are false.
At least four of these ten statements are false. b. the best way to learn more about it is to observe higher energy radiation, such as ultraviolet and x-rays . 2. B. c. The kinetic energy of high speed electrons is converted to X rays when they collide with matter. Which of the following statements about our Galaxy is incorrect? b. cold and dense gas where new stars form abundantly. most of a galaxy's mass lies beyond the portions of the galaxy that we can see. MSC: Understanding OBJ: Compare and contrast the components and origins of the disk and the halo of the galaxy. Which of the following statements about our Milky Way Galaxy is incorrect? 3. d. X rays can easily penetrate bones and any thick material. Which of the following is not true about dark matter? b) True, because dark matter telescopes show massive halos well beyond where stars are found. ... the measurement of galaxy distances using Type Ia supernovae. Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. 3) We know why the Universe started with a 'Big Bang'.

Learn vocabulary, terms, and more with flashcards, games, and other study tools.


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