Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 8, Problem 6QAP
To determine
The reason why interior of the giant planets are heated by gravitational contraction
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According to the chart below, how do the gas giants differ from the terrestrial planets?
THE TERRESTRIAL PLANETS
THE GAS GIANTS
MERCURY
MARS
JUPITER
SATURN
URANUS
NEPTUNE
VENUS
EARTH
ROCK
ROCK
ROCK
ROCK
INNER
CORE
INNER
CORE
CORE
SIren/
Nickel
CORE
Iron/
WATER
WATER
WATER
Nickel
OUTER
CORE
OUTER
CORE
METALLIC
U HYDROGEN
METALLIC
WATER
MANTLE
Reck
HYDROGEN
MANTLE
Rock
MANTLE
Reck
CORE
SIren/
Silicates
Silicates
Silicates
Nickel
HYDROGEN
GAS
HYDROGEN
GAS
HYDROGEN
HYDROGEN
GAS
GAS
SURFACE
SURFACE
SURFACE
SURFACE
O The gas giants do not have solid surfaces.
O The gas giants have an iron core.
O The gas giants lack hydrogen gas.
O The gas giants do not contain water.
The cores of terrestrial planets are mostly metal because:
The entire planets are mostly metal
Metals are denser and so sank to the centres of planets when they were still molten
Metals condensed first in the formation of the Solar System
Radioactivity created metals in the core of planets from the decay of uranium
Planetary migration is a new process that has been added to the nebular theory of solar system
formation. What type of planet, that does not exist in our solar system, made this change to the
theory necessary?
super-Earths
Jovian planets beyond the "frost line"
mini-Neptunes
O hot Jupiters
terrestrial planets in the habitable zone
Chapter 8 Solutions
Understanding Our Universe
Ch. 8.1 - Prob. 8.1CYUCh. 8.2 - Prob. 8.2CYUCh. 8.3 - Prob. 8.3CYUCh. 8.4 - Prob. 8.4CYUCh. 8.5 - Prob. 8.5CYUCh. 8 - Prob. 1QAPCh. 8 - Prob. 2QAPCh. 8 - Prob. 3QAPCh. 8 - Prob. 4QAPCh. 8 - Prob. 5QAP
Ch. 8 - Prob. 6QAPCh. 8 - Prob. 7QAPCh. 8 - Prob. 8QAPCh. 8 - Prob. 9QAPCh. 8 - Prob. 10QAPCh. 8 - Prob. 11QAPCh. 8 - Prob. 12QAPCh. 8 - Prob. 13QAPCh. 8 - Prob. 14QAPCh. 8 - Prob. 15QAPCh. 8 - Prob. 16QAPCh. 8 - Prob. 17QAPCh. 8 - Prob. 18QAPCh. 8 - Prob. 19QAPCh. 8 - Prob. 20QAPCh. 8 - Prob. 21QAPCh. 8 - Prob. 22QAPCh. 8 - Prob. 23QAPCh. 8 - Prob. 24QAPCh. 8 - Prob. 25QAPCh. 8 - Prob. 26QAPCh. 8 - Prob. 27QAPCh. 8 - Prob. 28QAPCh. 8 - Prob. 29QAPCh. 8 - Prob. 30QAPCh. 8 - Prob. 31QAPCh. 8 - Prob. 32QAPCh. 8 - Prob. 33QAPCh. 8 - Prob. 34QAPCh. 8 - Prob. 35QAPCh. 8 - Prob. 36QAPCh. 8 - Prob. 37QAPCh. 8 - Prob. 38QAPCh. 8 - Prob. 39QAPCh. 8 - Prob. 40QAPCh. 8 - Prob. 41QAPCh. 8 - Prob. 42QAPCh. 8 - Prob. 43QAPCh. 8 - Prob. 44QAPCh. 8 - Prob. 45QAP
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- How did the giant planets grow to be so large?arrow_forwardIn the context of the giant planets and the conditions in their interiors, what is meant by “rock” and “ice”?arrow_forwardWhy do the giant planets and their moons have compositions different from those of the terrestrial planets?arrow_forward
- How would the solar system be different if the solar nebula had cooled, with a temperature half its actual value? [select all that apply] options: There would be more comets. Life would have been very unlikely to evolve here. There would be no comets. There would be fewer asteroids. There would be more asteroids. Jovian planets would have formed closer to Sun. Terrestrial planets would be largearrow_forwardQuestion 7 What type of mission collects information about multiple planets? Sample returns. Rovers. Flybys. Atmospheric probes. Question 8 Why are neutrinos so difficult to detect? There are very few of them, so collecting enough to study takes a long time. They are theoretical and may not exist. They move so fast they pass right through the telescope. They don't interact strongly with matter, so they will not cause a reaction on a CCD imager.arrow_forwardCompare the atmospheric circulation (weather) of the four giant planets.arrow_forward
- Some astronomers argue that Jupiter and Saturn areunusual, while other astronomers argue that all solarsystems should contain one or two such giant planets.arrow_forwardCompare and contrast the terrestrial planets to the gas giant planets. Be sure to include differences in size, density, and any special information about any of the planets.arrow_forwardYou are making a scale model to visualize the relative sizes of the planets in our solar system. The scale of the model is: 1 cm = 2000 km. The radius of Saturn is 60,000 km. At what radius will Saturn appear on your scale model?arrow_forward
- What are the visible clouds on the four giant planets composed of, and why are they different from each other?arrow_forwardPresent theory suggests that giant planets cannot form without condensation of water ice, which becomes vapor at the high temperatures close to a star. So how can we explain the presence of jovian-sized exoplanets closer to their star than Mercury is to our Sun?arrow_forwardProblem 5. Physical Features of the Giant Planets: Appearance of the Atmosphere of Neptune. Explain why the atmosphere of Neptune appears the way it does.arrow_forward
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