21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 12.3, Problem 12.3ACYU
To determine
The condition in which the Oort cloud objects into the comets as it passes near the sun.
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18. From where do comets originate?A. Just outside the orbit of JupiterB. A belt between Jupiter and MarsC. between the orbits of Saturn and UranusD. From the surrounding outer regions of the solar system
1) Contrast the difference between Comets and Asteroids – describe the orbit, composition, and how they appear in the sky.
2)Explain how the terrestrial planets and the Jovian planets ended up so different.
Explain Comets?
Chapter 12 Solutions
21st Century Astronomy
Ch. 12.1 - Prob. 12.1CYUCh. 12.2 - Prob. 12.2CYUCh. 12.3 - Prob. 12.3ACYUCh. 12.3 - Prob. 12.3BCYUCh. 12.4 - Prob. 12.4CYUCh. 12.5 - Prob. 12.5CYUCh. 12 - Prob. 1QPCh. 12 - Prob. 2QPCh. 12 - Prob. 3QPCh. 12 - Prob. 4QP
Ch. 12 - Prob. 5QPCh. 12 - Prob. 6QPCh. 12 - Prob. 7QPCh. 12 - Prob. 8QPCh. 12 - Prob. 9QPCh. 12 - Prob. 10QPCh. 12 - Prob. 11QPCh. 12 - Prob. 12QPCh. 12 - Prob. 13QPCh. 12 - Prob. 14QPCh. 12 - Prob. 15QPCh. 12 - Prob. 16QPCh. 12 - Prob. 17QPCh. 12 - Prob. 18QPCh. 12 - Prob. 19QPCh. 12 - Prob. 20QPCh. 12 - Prob. 22QPCh. 12 - Prob. 23QPCh. 12 - Prob. 24QPCh. 12 - Prob. 25QPCh. 12 - Prob. 26QPCh. 12 - Prob. 27QPCh. 12 - Prob. 28QPCh. 12 - Prob. 29QPCh. 12 - Prob. 30QPCh. 12 - Prob. 31QPCh. 12 - Prob. 32QPCh. 12 - Prob. 33QPCh. 12 - Prob. 34QPCh. 12 - Prob. 35QPCh. 12 - Prob. 36QPCh. 12 - Prob. 37QPCh. 12 - Prob. 38QPCh. 12 - Prob. 39QPCh. 12 - Prob. 40QPCh. 12 - Prob. 41QPCh. 12 - Prob. 42QPCh. 12 - Prob. 43QPCh. 12 - Prob. 44QP
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- What is the orbital period of a comet nucleus in the Oort cloud? What is its orbital velocity? (Hints. Use Kepler’s third law in Chapter 4, section 3. The circumference of a circular orbit is 2r . Refer to the text for typical Oort cloud object distances from the Sun.)arrow_forwardHow can Jupiter have a liquid interior and not have a definite liquid surface?arrow_forwardExplain why the amount of geological activity on Jupiter’s moons varies with distance from the planet.arrow_forward
- Why would you include the Moon in a comparison of the Terrestrial planets?arrow_forwardThe mass of an average comet’s nucleus is about 1014 kg. If the Oort cloud contains 21012 comet nuclei, what is the mass of the cloud in Earth masses? Compare that with Jupiter’s mass. (Note: Relevant data can be found in Appendix Table A-10.)arrow_forwardWhat are the seasons on Uranus like?arrow_forward
- How does the solar nebula theory help you understand the location of asteroids?arrow_forwardYou are packing for a vacation on a planet orbiting another star that is much like the Sun. Why might you want some information about the planets orbit size and axis tilt to know what to pack?arrow_forwardImagine that you visit a planet orbiting another star and discover that it is heavily cratered, but its small moon is nearly crater free. Why would that be a surprise? Speculate about what might have happened to those objects.arrow_forward
- Saturn's density is the lowest of all planet and is 0.1246 times the density of earth. the mass of Saturn on the other hand, is 95.07 times the mass of earth. use these data to compare the volume of Saturn to the volume of the earth?arrow_forwardWhy does the solar nebula theory predict that planetary systems are common?arrow_forwardWhat are the hypotheses for how the bodies in the Kuiper Belt and the Oort cloud formed?arrow_forward
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