Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Chapter 7, Problem 32E
Calculate the density of Saturn. Show your work. How does it compare with the density of water? Explain how this can be.
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Chapter 7 Solutions
Astronomy
Ch. 7 - Venus rotates backward and Uranus and Pluto spin...Ch. 7 - What is the difference between a differentiated...Ch. 7 - What does a planet need in order to retain an...Ch. 7 - Which type of planets have the most moons? Where...Ch. 7 - What is the difference between a meteor and a...Ch. 7 - Explain our ideas about why the terrestrial...Ch. 7 - Do all planetary systems look the same as our own?Ch. 7 - What is comparative planetology and why is it...Ch. 7 - What changed in our understanding of the Moon and...Ch. 7 - If Earth was to be hit by an extraterrestrial...
Ch. 7 - List some reasons that the study of the planets...Ch. 7 - Imagine you are a travel agent in the next...Ch. 7 - What characteristics do the worlds in our solar...Ch. 7 - How do terrestrial and giant planets differ? List...Ch. 7 - Why are there so many craters on the Moon and so...Ch. 7 - How do asteroids and comets differ?Ch. 7 - How and why is Earth’s Moon different from the...Ch. 7 - Where would you look for some “original”...Ch. 7 - Describe how we use radioactive elements and their...Ch. 7 - What was the solar nebula like? Why did the Sun...Ch. 7 - What can we learn about the formation of our solar...Ch. 7 - Earlier in this chapter, we modeled the solar...Ch. 7 - Seasons are a result of the inclination of a...Ch. 7 - Again using Appendix F, which planet(s) might you...Ch. 7 - Again using Appendix F, which planets might you...Ch. 7 - Using some of the astronomical resources in your...Ch. 7 - Explain why the planet Venus is differentiated,...Ch. 7 - Would you expect as many impact craters per unit...Ch. 7 - Using Appendix G, complete the following table...Ch. 7 - Calculate the density of Jupiter. Show your work....Ch. 7 - Calculate the density of Saturn. Show your work....Ch. 7 - What is the density of Jupiter’s moon Europa (see...Ch. 7 - Look at Appendix F and Appendix G and indicate the...Ch. 7 - Barnard’s Star, the second closest star to us, is...Ch. 7 - A radioactive nucleus has a half-life of 5108...
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- Calculate the density of Jupiter. Show your work. Is it more or less dense than Earth? Why?arrow_forwardWhat is the density of Jupiter’s moon Europa (see Appendix G for data on moons)? Show your work.arrow_forwardUsing Appendix G, complete the following table that describes the characteristics of the Galilean moons of Jupiter, starting from Jupiter and moving outward in distance. Table A This system has often been described as a mini solar system. Why might this be so? If Jupiter were to represent the Sun and the Galilean moons represented planets, which moons could be considered more terrestrial in nature and which ones more like gas/ice giants? Why? (Hint: Use the values in your table to help explain your categorization.)arrow_forward
- For the following questions, use the data found in Appendix D. Calculate the mass (in kg) of the Sun based on data for Uranus's orbit. (Use G = 6.67 ✕ 10−11 N · m2/kg2 in your calculations. Round your answer to at least four significant figures.) ?_____kg Compare the above calculated value with the Sun's actual mass. (Round your answer to at least three decimal places.) mcalculated mactual = ?_______arrow_forwardJupiter's moon Metis has a radius of only 20 km, and a mass of 9 x 1016 kg. Answer the following: a) Calculate this moon's average density. b) Based on your result above, would you say that Metis is made primarily of rock or ice? Justify your answer. (Hint: Density of ice is 920 kg/m3)arrow_forwardFrom the data measured read off the period, P and the orbital radius, a from thegraph for the moon Ganymede . These values will have units of hours for the period P, and Jupiter Diameters (J.D.) for a. Enter your results here:P (period) = _________ hours a (orbital radius) = ________ J.D. After,In order to use Kepler's Third Law, you need to convert the period into years, using: 1 day = 24 hours and 1 year = 365.25 days. The orbital radius must be converted to A.U., using 1050 J.D. = 1 A.U. Enter your converted values here: P (period) = _________ years a (orbital radius) = ________ A.U.arrow_forward
- At what average distances (in AU) from the Sun would you expect to find Kirkwood gaps where the orbital period of asteroids are respectively four-ninths, and three-sevenths, of the orbital period of Jupiter? (Hint: use Kepler's third law.) Compare your results with the figure.arrow_forwardWhat is Tidal Energy? What are two advantages associated with tidal energy? What are two disadvantages associated tidal energy? What kind of machinery/apparatus can we use to convert tidal energy into electricity?arrow_forwardFiguring for Yourself. Always show your work.27. Calculate the wind speed at the edge of Neptune's Great Dark Spot, which was 10,000 kmin diameter and rotated in 17 days. (Hint: recall a circle circumference=2 x pie x radius).arrow_forward
- What is the angular diameter of Saturn (in arc seconds) as seen from Earth when the two planets are closest together? Hint: Use the small-angle formulaarrow_forwardSupposed you were an astronomer, and was able to speak wherein the world Leaders are gathered, would you recommend them an Asteroid Watch Project (a project that would monitor the motion of the asteroids near the earth)? Why or why not?arrow_forwardProcedure Table 11.1 presents Djup and Pday for the major Jovian satellites. First use these data and the equation above to calculate Jupiter’s mass in kilograms (kg). Enter your results in the table for each satellite. Next calculate the average Jupiter mass (Mjup, av) and enter the result in the table. Finally, calculate the percent difference (PD) using Mjup, av and the standard value for Jupiter’s mass (1.9 X 1027 kg). In the calculation of PD you can ignore 1027 because it will appear in both numerator and denominator. ________________________________________________________ Table 11.1 Calculated values for Jupiter’s Mass Satellite Djup Pday Mjup Io 2.95 1.77 Europa 4.69 3.55 Ganymede 7.50 7.15 Callisto 13.15 16.7 __________________________________________________________ Average Jupiter Mass = Percent Difference =arrow_forward
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