Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 19, Problem 1LTL
To determine
To analyze:
The size of planetesimals at the time of formation of solar system according to the following figure.
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Horizons: Exploring the Universe (MindTap Course List)
Ch. 19 - What do Widmanst?tten patterns indicate about the...Ch. 19 - What do chondrules tell you about the history of...Ch. 19 - Why are there no chondrules in achondritic...Ch. 19 - Why do astronomers refer to carbonaceous...Ch. 19 - Prob. 5RQCh. 19 - Prob. 6RQCh. 19 - Why do astronomers think the asteroids were never...Ch. 19 - Prob. 8RQCh. 19 - What evidence indicates that some asteroids have...Ch. 19 - What evidence indicates that some asteroids have...
Ch. 19 - Prob. 11RQCh. 19 - What is the difference between a gas tail and a...Ch. 19 - Prob. 13RQCh. 19 - What are the hypotheses for how the bodies in the...Ch. 19 - Prob. 15RQCh. 19 - Prob. 1DQCh. 19 - Do you think the government should spend money to...Ch. 19 - Prob. 1PCh. 19 - If a single asteroid 1 km in diameter were to be...Ch. 19 - If a trillion (1012) asteroids, each 1 km in...Ch. 19 - Prob. 4PCh. 19 - What is the maximum angular diameter of the...Ch. 19 - Prob. 6PCh. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - What is the orbital period of a comet nucleus in...Ch. 19 - The mass of an average comet’s nucleus is about...Ch. 19 - Prob. 1LTLCh. 19 - Prob. 2LTLCh. 19 - Prob. 3LTL
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- How does the solar nebula theory explain the significant density difference between the Terrestrial and Jovian planets?arrow_forwardHow do we know when the solar system formed? Usually we say that the solar system is 4.5 billion years old. To what does this age correspond?arrow_forwardExamine Table 18-2. What might a planets composition be if the planet formed in a region of the solar nebula where the temperature was about 100 K?arrow_forward
- Which step(s) listed in the previous question can be eliminated in models that form Jovian planets in thousands of years, a time frame that solves the Jovian problem? Order the following steps in the formation of a Terrestrial planet chronologically: gravitational collapse, accretion, outgassing, condensation, and differentiation.arrow_forwardWhere would you look for some “original” planetesimals left over from the formation of our solar system?arrow_forwardWhat characteristics do the worlds in our solar system have in common that lead astronomers to believe that they all formed from the same “mother cloud” (solar nebula)?arrow_forward
- At what average distances from the Sun would you expect to find Kirkwood gaps where the orbital period of asteroids are respectively one-third, and one-quarter, of the orbital period of Jupiter? Compare your results with Figure 24-9. (Hint: Use Keplers third law, Eq. 4-1.)arrow_forwardHow do the planets discovered so far around other stars differ from those in our own solar system? List at least two ways.arrow_forwardIf you observed the Solar System from the vantage point of the nearest star, at a distance of 1.3 pc, what would the maximum angular separation be between Earth and the Sun? (Hint: Use the small-angle formula, Eq. 3-1.) (Note: 1 pc = 2.1 105 AU.)arrow_forward
- Do all planetary systems look the same as our own?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_forwardWhat evidence shows that Venus has been resurfaced within the past half-billion years?arrow_forward
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