Astronomy a beginners guide to the universe 7th edition chaisson test bank
Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 00 clicker questions
... Education, Inc physically close to each other usually equal in brightness about the same age about the same distance away in the same part of the sky Question Stars in a constellation are a) ... c) d) e) physically close to each other usually equal in brightness about the same age about the same distance away in the same part of the sky Explanation: Stars within a constellation might be ... gets larger the baseline gets smaller Earth moves faster in its orbit Question 10 The angle of parallax increases as a) b) c) d) distances to stars increase the baseline gets larger the baseline...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 0
... motion—solar day • Stars aren’t in quite the same place 24 hours later, though, due to Earth’s rotation around the Sun; when they are in the same place again, one sidereal day has passed © 201 7 Pearson ... of Distance • Triangulation: Measure baseline and angles, and you can calculate distance © 201 7 Pearson Education, Inc 0. 4 The Measurement of Distance • Parallax: Similar to triangulation, but ... because Earth’s and the Moon’s orbits are not in the same plane © 201 7 Pearson Education, Inc 0. 3 The Motion of the Moon • Eclipse tracks, 201 0– 203 0 © 201 7 Pearson Education, Inc 0. 4 The Measurement...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 01
... objects, the gravitational force is proportional to the product of their masses divided by the square of the distance between them © 2017 Pearson Education, Inc 1.4 Newton’s Laws • The gravitational ... Newton’s Laws • On Earth’s surface, the acceleration due to gravity is approximately constant and directed toward the center of Earth © 2017 Pearson Education, Inc 1.4 Newton’s Laws • For two massive ... is an astronomical unit Its actual length may be measured by bouncing a radar signal off Venus and measuring the signal’s travel time © 2017 Pearson Education, Inc 1.4 Newton’s Laws • • Newton’s...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 01 clicker questions
... feel as though Earth moves Objects fall toward Earth, not the Sun We don’t see an enormous wind All of the above were valid reasons Explanation: Aristotle thought that if the Earth rotated and ... elliptical in shape all of the above are stated Explanation: Kepler’s laws apply to all orbiting objects The Moon orbits Earth in an ellipse, and the Space Shuttle orbits Earth in an ellipse, too ... in January Earth orbits faster in January Earth’s orbital speed doesn’t change Explanation: Kepler’s second law means that a planet moves faster when closer to its star © 2017 Pearson Education,...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 02
... Education, Inc 2.4 Thermal Radiation • Radiation laws: Peak wavelength is inversely proportional to temperature © 2017 Pearson Education, Inc 2.4 Thermal Radiation • Radiation laws: © 2017 Pearson ... wavelengths must be done above the atmosphere • Also note that the horizontal scale is logarithmic— each tick is a factor of 10 smaller or larger than the next one This allows the display of the ... of the radio spectrum with frequencies higher than the AM band This means that our atmosphere is absorbing a lot of the electromagnetic radiation impinging on it and also that astronomy at other...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 02 clicker questions
... electromagnetic radiation from space reach the surface of Earth? a) b) c) d) e) radio waves and microwaves X-rays and ultraviolet light infrared and gamma rays visible light and radio waves visible and ... © 2017 Pearson Education, Inc radio waves and microwaves X-rays and ultraviolet light infrared and gamma rays visible light and radio waves visible and ultraviolet light Question What types of ... lines Spectra can also tell us about a star’s magnetic field © 2017 Pearson Education, Inc Question What types of electromagnetic radiation from space reach the surface of Earth? a) b) c) d)...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 03
... 3.5 Space-Based Astronomies • X-ray image of supernova remnant Cassiopeia A © 2017 Pearson Education, Inc 3.5 Space-Based Astronomies • Gamma rays are the most high-energy radiation we can detect ... telescopes make images with a mirror Modern research telescopes are all reflectors CCDs are used for data collection Data can be formed into images, analyzed spectroscopically, or used to measure intensity ... Pearson Education, Inc 3.5 Space-Based Astronomies • Ultraviolet images (a) (b) © 2017 Pearson Education, Inc The Cygnus loop supernova remnant M81 3.5 Space-Based Astronomies • X-rays and gamma...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 03 clicker questions
... Education, Inc they don’t require chemical development digital data are easily stored and transmitted CCDs are more light sensitive than film CCD images can be developed faster all of the above are ... interstellar dust they can be linked to form interferometers all of the above are true Explanation: The Very Large Array links separate radio telescopes to create much better resolution © 2017 Pearson ... Question An advantage of charge-coupled devices (CCDs) over photographic film is that a) b) c) d) e) © 2017 Pearson Education, Inc they don’t require chemical development digital data are easily stored...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 04
... means the ion tail always points away from the Sun • The dust tail also tends to point away from the Sun, but the dust particles are more massive and lag somewhat, forming a curved tail © 2017 Pearson ... terrestrial planets: – – – Atmospheres and surface conditions are very dissimilar Only Earth has oxygen in atmosphere and liquid water on surface Earth and Mars rotate at about the same rate; Venus and ... Matter • • The impact of a large meteor can create a significant crater The Barringer meteor crater in Arizona © 2017 Pearson Education, Inc 4.2 Interplanetary Matter • The Manicouagan reservoir...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 04 clicker questions
... 11 Any theory of the origin of the solar system must explain all of these EXCEPT a) b) the orbits of the planets are nearly circular and in the same plane the direction that planets orbit the ... terrestrial planets Question Pluto seems to be more similar to a) b) c) d) e) the terrestrial planets the jovian planets asteroids the moons of jovian planets the moons of terrestrial planets Explanation: ... Education, Inc Question The angular diameter of an object a) b) c) d) e) © 2017 Pearson Education, Inc increases if the object is farther away decreases if the object is farther away is measured...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 05
... pressure wave is a longitudinal wave, whereas the shear wave is a transverse wave A shear wave cannot propagate within a liquid © 2017 Pearson Education, Inc 5.4 Internal Structure of Earth and the ... Summary of Chapter 5, cont • • • • Main surface features on Moon are maria and highlands The moon is heavily cratered No atmosphere and large day–night temperature variation Tidal interactions are ... is the region around Earth where charged particles from the solar wind are trapped © 2017 Pearson Education, Inc 5.7 Magnetospheres • These charged particles are trapped in areas called the Van...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 05 clicker questions
... internal structure is similar to Earth’s, but the Moon lacks a) b) c) d) an atmosphere a hydrosphere a magnetosphere all of the above Explanation: Both Earth and the Moon have a core, mantle, and ... is the a) b) c) d) e) ozone layer exosphere Van Allen radiation belts corona aurora borealis and australis Explanation: The Earth’s magnetosphere influences the charged particles of the solar ... of these theories best explains the Moon’s origin? a) b) c) d) e) The fission theory The giant impact theory The capture theory The coformation theory The fusion theory Explanation: The giant...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 06
... eroded away Analysis of craters allows estimation of the age of the surface Crater on right shows ejecta that may have been liquified by the impact that created the crater © 2017 Pearson Education, ... (after the Sun and Moon) • • • It has many lava domes and shield volcanoes Venus is comparable to Earth in mass and radius Large amounts of carbon dioxide in its atmosphere and closeness to the ... rolling volcanic terrain Southern hemisphere (bottom) is heavily cratered highlands; average altitude is km above the northern • Assumption is that the northern surface is younger than the southern...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 06 clicker questions
... atmosphere d) As no spacecraft has yet landed there, no information exists about Mercury’s e) Neither body has a permanent atmosphere Explanation: The lack of an atmosphere acting as a protective layer ... 13 What was the most likely source of the water that formed the huge outflow channels of Mars? a) b) Rainfall Catastrophic but rare flooding c) Annual melting of the seasonal ice caps d) Large ... About the same as on Earth To reduce the surface temperature by about 30ºC d) To raise the surface temperature by hundreds of degrees Celsius e) To cause the surface temperature of Venus to become...
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Astronomy a beginners guide to the universe 8th CHaisson mcmillan chapter 07
... with the magnetosphere © 2017 Pearson Education, Inc 7.6 Jovian Interiors • Uranus and Neptune both have substantial magnetic fields, but at a large angle to their rotation axes – The rectangle ... beyond the orbit of Saturn © 2017 Pearson Education, Inc 7.6 Jovian Interiors • Aurorae are seen on Jupiter and have the same cause as those on Earth the interaction of solar wind particles with the ... Jupiter and Saturn were known to the ancients; Uranus was discovered by chance, and Neptune was predicted from anomalies in the orbit of Uranus • • Jovian planets are large but not dense; they are...
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