Astronomy a beginners guide to the universe 7th edition chaisson test bank

... 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 co...

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... 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...

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... 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 Newt...

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... 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 e...

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... 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...

Ngày tải lên: 14/08/2017, 16:25

... 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 ty...

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... 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 t...

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... 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 resoluti...

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... 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...

Ngày tải lên: 14/08/2017, 16:25

... 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 o...

Ngày tải lên: 14/08/2017, 16:25

... 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 T...

Ngày tải lên: 14/08/2017, 16:25

... 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 part...

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... 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 clos...

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... 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...

Ngày tải lên: 14/08/2017, 16:25

... 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 pa...

Ngày tải lên: 14/08/2017, 16:25