The Cosmic Perspective (9th Edition)
9th Edition
ISBN: 9780134874364
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 7, Problem 2EAP
What would the solar system look like to your naked eye if you could view it from beyond the orbit of Neptune?
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You 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?
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…
Question #4:
According to the nebular theory, which planet is most likely to be
gaseous rather than rocky?
A. Venus, because it is the warmest planet and so is more likely
to be gaseous
B. Mercury, because planets closer to the solar nebula are more
likely to be made of gas, like the nebula
C. Earth, because the atmosphere consists of nitrogen, oxygen,
and other gases, so it is a gaseous planet
D. Neptune, because as the planets get farther from the solar
nebula, their composition is more icy and gaseous
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Chapter 7 Solutions
The Cosmic Perspective (9th Edition)
Ch. 7 - Prob. 1VSCCh. 7 - Use the following questions to check your...Ch. 7 - Use the following questions to check your...Ch. 7 - Use the following questions to check your...Ch. 7 - What do we mean by comparative planetology? Does...Ch. 7 - What would the solar system look like to your...Ch. 7 - Briefly describe the overall layout of the solar...Ch. 7 - For each of the objects in the solar system tour...Ch. 7 - Briefly describe the patterns of motion that we...Ch. 7 - What are the basic differences between the...
Ch. 7 -
7. What do we mean by hydrogen compounds? In...Ch. 7 -
8. What are asteroids? What are comets? Describe...Ch. 7 - What kind of object in Pluto? Explain.Ch. 7 - What is the Kuiper belt? What is the Oort cloud?...Ch. 7 - Describe at least two “exceptions to the rules”...Ch. 7 - Describe and distinguish between space missions...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Does it Make Sense? Decide whether the statement...Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Choose the best answer to each of the following....Ch. 7 - Why Wait? To explore a planet, we often send first...Ch. 7 - Prob. 35EAPCh. 7 - Prob. 37EAPCh. 7 - Patterns of Motion. In one or two paragraphs,...Ch. 7 - Solar System Trends. Answer the following based on...Ch. 7 - Comparing Planetary Conditions. Use both Table 7.1...Ch. 7 - Prob. 41EAPCh. 7 - Size Comparisons. How many Earths could fit inside...Ch. 7 - Asteroid Orbit. Ceres, the largest asteroid, has...Ch. 7 - Density Classification. Calculate the density of a...Ch. 7 - Comparative Weight. Suppose you weigh 100 pounds....Ch. 7 - New Horizons Speed. On its trajectory to Pluto,...Ch. 7 - Planetary Parallax. Suppose observers at Earth’s...
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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
- 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.arrow_forwardNeptune is about 50,000 km in diameter, and its largest moon, Triton, is about 2700 km in diameter. If you represent the planet with a ball 10 inches in diameter, how big a ball will you need to represent Triton? Triton orbits 355,000 km from Neptune. How far from Neptune would you place Triton in the model?arrow_forwardWhy is almost every solid surface in the Solar System scarred by craters?arrow_forward
- What was the solar nebula like? Why did the Sun form at its center?arrow_forwardDescribe the solar nebula, and outline the sequence of events within the nebula that gave rise to the planetesimals.arrow_forwardUranus is about 26,000 km in radius, and its main ring is about 51,000 km from the planets center. If you represent the planet with a ball 5 inches in radius, how far from the center would you place its main ring?arrow_forward
- According to the nebular theory, which planet is most likely to be gaseous rather than rocky?arrow_forwardThe International Space Station is about 90 meters across and about 380 kilometers away. One night it appears to be the same angular size as Jupiter. Jupiter is 143,000 km in size. Use S = r x a to figure out how far away Jupiter is in AU. Note 1 AU = 1.5 x 108 kmarrow_forwardi legacynv.schoology.com/common-assessment-dlelivery/start/48958977 Kuiper Belt Jupiter Mercury Venus Urahus Saturn Mars Farth · Ceres Neptune Jupiter Pluto inner solar system outer solar system not to scale Is this model to scale regarding the sizes of the planets and distances between them? Why or why not? O Yes. That is why the outer planets are shown in a separate box. O No. The distances in the solar system are too great to produce a model accurate to distance that still has inner planets visible. O No. The outer planet distances are drawn to scale, but the inner planets need to be drawn farther from the sun to be visible. 1 4arrow_forward
- Which planet or dwarf planet in our solar system has the biggest moon relative to its own size? Not the biggest moon in terms of miles, but biggest compared to the size of the planet it orbits. Jupiter Neptune Uranus Saturn Plutoarrow_forwardThe Solar nebula was "mostly" b. hydrogen compounds: ammonia, methane and water c. heavier elements d. rocks and minerals e. hydrogen and helium elementsarrow_forwardWhich is these facts is NOT explained by the nebular theory? There are two main types of planets: terrestrial and jovian Existance of comets and asteroids Planets orbit in the same direction and plane Number of planets of each type (4 terrestrial and 4 jovian)arrow_forward
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