21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Question
Chapter 11, Problem 8QP
To determine
The probable reason for a moon revolving opposite to the direction of its planet’s rotation.
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1) The average distance from the moon to the earth is 385,200 km. Convert this distance to miles by multiplying by 0.6 miles/km. This is the radius of the moon’s orbit.
2. Supposed that you are weighing 54kg, what is your weight provided that you are in the surface of the moon? You are in the surface of the earth? Hint: gearth = 9.81m/s2
and gmoon = 1/6 of gearth
Kindly include figure, analysis and findings.
That the moon has no magnetic field implies that
a.
the moon is spinning too slowly to produce a magnetic field.
b.
the interior of the moon is too hot to produce a magnetic field.
c.
the crust of the moon is so thick that the magnetic field can not get out of the interior.
d.
the moon’s core contains little if any molten iron.
e.
the moon is moving further from Earth.
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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- Imagine 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_forwardEarth’s metallic core has about 55% of the planet’s radius. What percentage of Eth’s volume is taken up by the core?arrow_forwardIn what ways is Earth unique among the Terrestrial planets?arrow_forward
- 6. Which of these statements is true about the formation of planets?arrow_forward3. Several years ago, NASA conducted the Lunar CRater Observation and Sensing Satellite (LCROSS)mission to look for evidence of water deep in craters near the south pole of the Moon(www.nasa.gov/mission_pages/LCROSS/main/index.html). Preliminary analysis of the LCROSS data hasalready demonstrated that there are indeed signifcant quantities of water on the Moon—a useful thingto know if we ever decide to build a permanent base on the Moon. The LCROSS spacecraft waslaunched from Earth aboard at Atlas V rocket on 18 June 2009. It was then sent on its way to the Moonby a Centaur transfer stage rocket. On 9 October 2009, while being observed by the LCROSS spacecraft,the Centaur rocket crashed into a crater at the south pole of the Moon creating a huge plume of Lunardust. Instruments on the LCROSS spacecraft measured the spectroscopic properties of this dust andradioed this data back to Earth for analysis. Then, 4 minutes after the Centaur rocket impacted theMoon, the LCROSS spacecraft itself…arrow_forward5. The nebular theory of the formation of the solar system successfully predicts all but one of the following. Which one does the theory not predict?arrow_forward
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