21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 11.1, Problem 11.1CYU
To determine
Which is correct answer.
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The odd orbits of Nereid and Triton, which are moons of Neptune, indicate that these
a.
moons were captured.
b.
moons formed simultaneously with the planet from the same piece of the solar nebula.
c.
moons broke off from the rapidly rotating planet.
d.
moons formed as the result from a giant impact early in the planet’s history.
e.
orbits were disturbed long ago in an interaction with some other body.
The reason that most moons in our solar system orbit in all sorts of crazy directions is because most moons
a.
co-formed with their planets
b.
are the result of major collisions
c.
have been pulled into these crazy orbits by tidal forces
d.
are captured asteroids
Tidal flexing will occur in a moon whose orbit is
a.
close to its planet and circular
b.
far from its planet and circular
c.
far from its planet and eccentric
d.
close to its planet and eccentric
13. The diagrams represent Saturn and one of its moons, Titan. Which diagram shows the distance between the two points that should be used to calculate the gravitational attraction between Saturn and Titan?
Chapter 11 Solutions
21st Century Astronomy
Ch. 11.1 - Prob. 11.1CYUCh. 11.2 - Prob. 11.2ACYUCh. 11.2 - Prob. 11.2BCYUCh. 11.3 - Prob. 11.3CYUCh. 11.4 - Prob. 11.4CYUCh. 11 - Prob. 1QPCh. 11 - Prob. 2QPCh. 11 - Prob. 3QPCh. 11 - Prob. 4QPCh. 11 - Prob. 5QP
Ch. 11 - Prob. 6QPCh. 11 - Prob. 7QPCh. 11 - Prob. 8QPCh. 11 - Prob. 9QPCh. 11 - Prob. 10QPCh. 11 - Prob. 11QPCh. 11 - Prob. 12QPCh. 11 - Prob. 13QPCh. 11 - Prob. 14QPCh. 11 - Prob. 15QPCh. 11 - Prob. 16QPCh. 11 - Prob. 17QPCh. 11 - Prob. 18QPCh. 11 - Prob. 19QPCh. 11 - Prob. 20QPCh. 11 - Prob. 21QPCh. 11 - Prob. 22QPCh. 11 - Prob. 23QPCh. 11 - Prob. 24QPCh. 11 - Prob. 25QPCh. 11 - Prob. 26QPCh. 11 - Prob. 27QPCh. 11 - Prob. 28QPCh. 11 - Prob. 29QPCh. 11 - Prob. 31QPCh. 11 - Prob. 32QPCh. 11 - Prob. 33QPCh. 11 - Prob. 34QPCh. 11 - Prob. 35QPCh. 11 - Prob. 36QPCh. 11 - Prob. 37QPCh. 11 - Prob. 38QPCh. 11 - Prob. 40QPCh. 11 - Prob. 41QPCh. 11 - Prob. 42QPCh. 11 - Prob. 43QPCh. 11 - Prob. 44QPCh. 11 - Prob. 45QP
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- 20 Approximately how many other planetary systems have been discovered to date? A Tens of thousands B) Tens C Hundreds D Thousands E Millionsarrow_forward2. Are there any known satellites of Jupiter that are beyond the Hill sphere of Jupiter? If not, what is the largest ratio r(satellite)/r(Hill), among its satellites? 1/3 Hill Sphere Radius: RHill Rна M2 ЗМ1arrow_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
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