ESSENTIAL COSMIC PERS.-W/MASTER.ACCESS
9th Edition
ISBN: 9780135795750
Author: Bennett
Publisher: PEARSON
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Chapter 8, Problem 21EAP
A jovian planet is discovered in a star system that is much older than our solar system. The planet has no, moons at all, but it has a system of rings as spectacular as the rings of Saturn.
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The planet Uranus was discovered in 1781, and Neptune, the next planet outward from the Sun, was discovered in 1846. Imagine you're an astronomer in 1846, and you start wondering if there's another planet out beyond Neptune. You decide to try and discover its existence using the same method that was used for Neptune. How will you do this?
Group of answer choices
You'll recruit a large number of astronomers to use their telescopes to carefully scan the sky in directions that are far from the ecliptic. The regions around the north and south celestial poles will probably be the best "hunting grounds" for the new planet.
You'll examine Uranus and Neptune very carefully, on every clear night, for several years, to see if you can find any evidence that sunlight has been reflected off of the `new' planet, then off of Uranus or Neptune, before arriving on Earth.
On rare occasions when Neptune passes in front of the Sun, as seen from Earth, you'll look carefully at the Sun (with a safe…
The synchrotron radiation (radio waves) that astronomers first observed from Jupiter in the 1950's comes from
a. deep within Jupiter, in the metallic hydrogen layers
b. high speed electrons spirling around the planet's strong magnetic field
c. the upper-atmosphere clouds that more quickly near the equator of the planet
d. the Red Spot with its tremendous friction
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.
Chapter 8 Solutions
ESSENTIAL COSMIC PERS.-W/MASTER.ACCESS
Ch. 8 - Prob. 1VSCCh. 8 - Prob. 2VSCCh. 8 - Prob. 3VSCCh. 8 - Prob. 4VSCCh. 8 - Prob. 1EAPCh. 8 - Prob. 2EAPCh. 8 - Prob. 3EAPCh. 8 - Prob. 4EAPCh. 8 - Prob. 5EAPCh. 8 - Prob. 6EAP
Ch. 8 - Prob. 7EAPCh. 8 - Describe key features of Jupiter's four Galilean...Ch. 8 - Prob. 9EAPCh. 8 - Why do we think Triton is a captu red moon? How...Ch. 8 - Briefly explain why icy moons can have active...Ch. 8 - What ar e planetary rings made of, and how do they...Ch. 8 - Prob. 13EAPCh. 8 - Saturn’s core is pockmarked with impact craters...Ch. 8 - Neptune's deep bllle color is not due to methane,...Ch. 8 - A jovian planet in another star system has a moon...Ch. 8 - A planet orbiting another star is made primarily...Ch. 8 - A previously unknown moon orbits Jupiter outside...Ch. 8 - Prob. 19EAPCh. 8 - An icy, medium-size moon orbits a jovian planet in...Ch. 8 - A jovian planet is discovered in a star system...Ch. 8 - Future observations discover rainfall of liquid...Ch. 8 - During a future mission to Uranus, scient ists...Ch. 8 - Which lists the jovian planets in order of...Ch. 8 - Why does Neptune appear blue and Jupiter red? (a)...Ch. 8 - Prob. 26EAPCh. 8 - Prob. 27EAPCh. 8 - 28. The main ingredients of most moons of the...Ch. 8 - Prob. 29EAPCh. 8 - Prob. 30EAPCh. 8 - Whid1 moon shows evidence of rainfall and erosion...Ch. 8 - Prob. 32EAPCh. 8 - Prob. 33EAPCh. 8 - 34. Europan Ocean. Scientists strong ly suspect...Ch. 8 - Breaking the Rules. As discussed in Chapter 7, the...Ch. 8 - Jovian Planet Mission. We can study terrestrial...Ch. 8 - Jovian Moon Mission. Suppose you could choose any...Ch. 8 - Unanswered Question. Choose one unans wered...Ch. 8 - The Importance of Rotation. Suppose the material...Ch. 8 - Comparing Jovian Planets. You can do comparative...Ch. 8 - Prob. 43EAPCh. 8 - Prob. 44EAPCh. 8 - Prob. 45EAPCh. 8 - Disappearing Moon. lo loses about a ton (1000...Ch. 8 - 44. Ring Particle Collisions. Each ring particle...Ch. 8 - Prometheus and Pandora. These two moons orbit...Ch. 8 - Prob. 49EAPCh. 8 - Titanic Titan. What is the ratio of Titan's mass...Ch. 8 - Saturn’s Thin Rings. Saturn's riing system is over...
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