Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
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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Saturn has a beautiful set of rings (Figure17).
Figure 18 illustrates a model for the formation of rings.
Based on the figure, explain how these rings might have formed.
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
= ?_______
Are the planets really lined up as we have them in this model? (Model is the image attatched). What is the minimum possible distance in AU between Mars and Earth? What is the maximum possible distance in AU between Mars and Eath? Show your work if possible. Thanks so much :)
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
- Please solve accurate and exact pleasearrow_forwardb. From the above data, determine the period of Europa, the distance between Jupiter and Ganymede, and the speed of Callisto. Show all work.arrow_forwardFor 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 x 10¬11 N. m²/kg? in your calculations. Round your answer to at least four significant figures.) x kg Compare the above calculated value with the Sun's actual mass. (Round your answer to at least three decimal places.) m calculated mactual Additional Materials eBook Submit Answerarrow_forward
- A spherical comet with a mass of 1016 kg and a radius of 30 km enters the inner Solar System from the Oort cloud on an orbit with semi-major axis a = 10, 000 AU and eccentricity e = 0.999999. Determine whether or not the comet will be tidally disrupted by the Sun. Show all of your working.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_forwardCan you help me with this? I'm taking atmospheric physics.arrow_forward
- Show your complete, clear and detailed solution. Please explain also how did you get your answer. Thank you.arrow_forwardWe need to create a scale model of the solar system (by shrinking the sun down to the size of a basketball or ~30cm). First, we will need to scale down actual solar system dimensions (planet diameters and average orbital radiuses) by converting our units. There are two blank spaces in the table below. We will effectively fill in the missing data in the next set of questions. Use the example below to help you. Example: What is the scaled diameter of Mercury if the Sun is scaled to the size of a basketball (30 cm)? The actual diameter of Mercury is 4879 km The Sun's diameter is 1392000 km If the Sun is to be reduced to the size of a basketball, then the conversion we need for this equation will be: 30cm1392000km Here is how we run the conversion: 4879km×30cm1392000km=0.105cm or 0.11cm if we were to round our answer. This means that if the sun in our model is the size of a basketball, Mercury is the size of a grain of sand. We can also see by looking at the table, that we would…arrow_forwardHow do you solve for the aphelion? Particularly all I need to answer is letter b for now It takes 89.2 years for a comet to travel around its elliptical orbit. in which its perihelion is 0.67 AU. Calculate (a) the semi-major axis of the comet and (b) an estimate of the comet’s aphelion, both in astronomical units (AU).arrow_forward
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