Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 7, Problem 4E
Which type of planets have the most moons? Where did these moons likely originate?
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b. Terrestrial planets are further from the Sun, more dense and have fewer moons
c. Terrestrial planets are closer to the sun, less dense and have fewer moons
d. Terrestrial planets are closer to the Sun, more dense and have fewer moons
e. Jovian planets are closer to the Sun, less dense and have more moons
f. Jovian planets are further from the Sun, more dense and have more moons
I would like you to compare the size of some of the largest moons of the solar system to their host planets. Using diameters of 12,700 km, and 140,000 km, 116,000 km for Earth, Jupiter, and Saturn respectively, please provide the ratios of the following moons to their host planets (you can use Table 12.1 from the book to get the diameters of the moons): Luna (Earth's moon), Io, Callisto, Ganymede, Europa, and Titan. After collecting those ratios, please tell me one thing that you notice that stands out about those results.
INVEST IGATION 3
1. Fill out this data table with information you have collected (from Handout B: Pluto) about the
dwarf planet Pluto.
Characteristics
Unit
Pluto
Mass
1024 g
14.6
Volume
1024 Cm3
7
Density
g/cm3
2.08
5,900.4
Distance from Sun
106 km
1,185
Radius
km
Crust Thickness
km
unknown
Atmosphere Height
km
60 km
Axial Tilt
degrees
122.5
Force of Gravity on a 1 kg test mass
Length of Day
hours
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Why are some planets and moons more geologically active than others?arrow_forwardWhat are the moons of the outer planets made of, and how is their composition different from that of our Moon?arrow_forwardMore Jovian moons are geologically active than Terrestrial planets. True or false? How would you explain this?arrow_forward
- How and why is Earth’s Moon different from the larger moons of the giant planets?arrow_forwardThe Moon did not pass through all of the four stages of planetary development. True or false? Explain your answer.arrow_forwardWhich meteorites are the most useful for defining the age of the solar system? Why?arrow_forward
- Do planets cast shadows? What is your evidence?arrow_forwardEnceladus is a moon of Saturn. What unique feature does it possess? which is the correct answer? Cryovolcanism, where water erupts instead of silicate rock A dense system of rings An atmosphere thicker than Earth's Internal heating due to radioactivity Has an orbit inside Saturn's ringsarrow_forwardWhat are the conditions necessary for a terrestrial planet to have a strong magnetic field? A molten metallic core only Fast rotation only A rocky mantel only Both a molten metallic core and fairly fast rotation Both a molten metallic core and a rocky mantlearrow_forward
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