EBK FOUNDATIONS OF ASTRONOMY
14th Edition
ISBN: 8220106820612
Author: Backman
Publisher: YUZU
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Chapter 1, Problem 1SOP
Arrange the following in order of increasing size: Earth; the Sun; Earth’s orbit around the Sun; the Moon; you; the Milky Way Galaxy; the Moon’s orbit around Earth
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Chapter 1 Solutions
EBK FOUNDATIONS OF ASTRONOMY
Ch. 1 - Prob. 1RQCh. 1 - What is the largest dimension of which you have...Ch. 1 - What is the difference between the Solar System,...Ch. 1 - What is the difference between the Moon and a...Ch. 1 - Why do astronomers now label Pluto a dwarf planet?Ch. 1 - Why are light-years more convenient than miles,...Ch. 1 - Why is it difficult to detect planets orbiting...Ch. 1 - Prob. 8RQCh. 1 - What is the difference between the Milky Way and...Ch. 1 - What are the Milky Way Galaxys spiral arms?
Ch. 1 - Prob. 11RQCh. 1 - Where are you in the Universe? If you had to give...Ch. 1 - Prob. 13RQCh. 1 - Prob. 14RQCh. 1 - Prob. 15RQCh. 1 - How do we know? How does the scientific method...Ch. 1 - The equatorial diameter of Earth is 7928 miles. If...Ch. 1 - The equatorial diameter of the Moon is 3476...Ch. 1 - One astronomical unit (AU) is about 1.5 108 km....Ch. 1 - A typical galaxy is shown on the first page of the...Ch. 1 - The time of the Cambrian explosion is listed on...Ch. 1 - Venus orbits 0.72 AU from the Sun. What is that...Ch. 1 - Light from the Sun takes 8 minutes to reach Earth....Ch. 1 - The Sun is almost 400 times farther from Earth...Ch. 1 - If the speed of light is 3.0 105 km/s, how many...Ch. 1 - Prob. 10PCh. 1 - How long does it take light to cross the diameter...Ch. 1 - The nearest galaxy to our home galaxy is about 2.5...Ch. 1 - How many galaxies like our own would it take if...Ch. 1 - Arrange the following in order of increasing size:...Ch. 1 - Prob. 2SOPCh. 1 - The Sun is roughly 100 times the diameter of...Ch. 1 - Prob. 4SOPCh. 1 - Look at the center of Figure 14. Approximately...Ch. 1 - Look at Figure 1-6. How can you tell that Mercury...Ch. 1 - Prob. 3LTLCh. 1 - Look at Figure 1-9. Would you say that the...Ch. 1 - Of the objects listed here, which would be...Ch. 1 - Prob. 6LTL
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- The light a planet receives from the Sun (per square meter of planet surface) decreases with the square of the distance from the Sun. So a planet that is twice as far from the Sun as Earth receives (1/2)2=0.25 times (25%) as much light and a planet that is three times as far from the Sun receives (1/3)2=0.11 times (11%) as much light. How much light is received by the moons of Jupiter and Saturn (compared to Earth), worlds which orbit 5.2 and 9.5 times farther from the Sun than Earth?arrow_forwardCould an object be orbiting another object and we only detect the radial motion via the Doppler effect?arrow_forwardWhat is the difference between the Solar System, the Galaxy, and the Universe?arrow_forward
- Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent brightness of the Sun in our sky is about 1300 watts/m2. Using these two facts and the inverse square law for light, determine the apparent brightness that we would measure for the Sun if we were located at the following positions. a) At the orbit of Jupiter (780 million km from the Sun).arrow_forwardGiven two extrasolar planets have a resonance of 1:3 and the planet closest to the star has an orbital period of 15 days what is the orbital period of the other planet?arrow_forwardWhich of these correctly compares the masses of different objects in the universe? O A moon has less mass than a star and more mass than the planet it orbits O A planet has less mass than a galaxy and more mass than a star it orbits O A galaxy has less mass than a moon and more mass than a planet O A star has less mass than a galaxy and more mass than a planetarrow_forward
- Our sun was born approximately 4.6 billion years ago. How many journeys around the centre of our galaxy has the sun made? 21 25 35 50arrow_forwardEarth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent brightness of the Sun in our sky is about 1300 watts/m2. Using these two facts and the inverse square law for light, determine the apparent brightness that we would measure for the Sun if we were located at the following positions. a) At the orbit of Venus (67 million km from the Sun)arrow_forwardO O o O O 2. 2536?module_item_id3D3790194 1 dozen = 12 things 1 day 24 hours 1 mile 5280 feet 1 meter 100 centimeters 1 year 365 days 1 six-pack = 6 cans 1 hour = 60 minutes 12 inches = 1 foot 1000 meters = 1 kilometer 1 case 24 cans 1 minute = 60 seconds 1 inch = 2.54 centimeters %3D 1 cup 8 ounces 1 box of Bisquick contains 96 ounces of pancake mix %3D 1. Billy has trouble with math, and his answer is "10" to the following question, "How 120 dozen?" a. What is the correct answer? b. What advice can you give Billy to help him do the calculation correctly? If I want 72 cans of soda, how many six-packs should I buy? 3. How many cases of soda should be bought if 8 dozen soda cans are wanted? 4. One million seconds are how many days? vork (hand-written, typed, or drawn on paper or on a computer).arrow_forward
- Please complete full question. The answer is of no use without it.arrow_forwardIf you're going to travel from Earth to Mars, then at the moment you launch from Earth, Mars should be at its closest approach to Earth in its orbit around the Sun behind the Earth in its orbit around the Sun ahead of Earth in its orbit around the Sun on the opposite side of the Sun from where Earth isarrow_forwardAn astronomical unit (AU) is defined as the average distance between the solar system and Alpha Centauri the Earth and the Moon the Milky Way Galaxy and the Andromeda Galaxy the Earth and the Sunarrow_forward
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