Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 11, Problem 4CC
To determine
The conclusion drawn by observing 1.35 cm microwaves emitted from the surface of Venus and what can be predicted for the presence of water on its surface and in its thick atmosphere.
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Chapter 11 Solutions
Universe
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Ch. 11 - Prob. 12CCCh. 11 - Prob. 13CCCh. 11 - Prob. 1QCh. 11 - Prob. 2QCh. 11 - Prob. 3QCh. 11 - Prob. 4QCh. 11 - Prob. 5QCh. 11 - Prob. 6QCh. 11 - Prob. 7QCh. 11 - Prob. 8QCh. 11 - Prob. 9QCh. 11 - Prob. 10QCh. 11 - Prob. 11QCh. 11 - Prob. 12QCh. 11 - Prob. 13QCh. 11 - Prob. 14QCh. 11 - Prob. 15QCh. 11 - Prob. 16QCh. 11 - Prob. 17QCh. 11 - Prob. 18QCh. 11 - Prob. 19QCh. 11 - Prob. 20QCh. 11 - Prob. 21QCh. 11 - Prob. 22QCh. 11 - Prob. 23QCh. 11 - Prob. 24QCh. 11 - Prob. 25QCh. 11 - Prob. 26QCh. 11 - Prob. 27QCh. 11 - Prob. 28QCh. 11 - Prob. 29QCh. 11 - Prob. 30QCh. 11 - Prob. 31QCh. 11 - Prob. 32QCh. 11 - Prob. 33QCh. 11 - Prob. 34QCh. 11 - Prob. 35QCh. 11 - Prob. 36QCh. 11 - Prob. 37QCh. 11 - Prob. 38QCh. 11 - Prob. 39QCh. 11 - Prob. 40QCh. 11 - Prob. 41QCh. 11 - Prob. 42QCh. 11 - Prob. 43QCh. 11 - Prob. 44QCh. 11 - Prob. 45QCh. 11 - Prob. 46QCh. 11 - Prob. 47QCh. 11 - Prob. 48QCh. 11 - Prob. 49QCh. 11 - Prob. 50QCh. 11 - Prob. 51QCh. 11 - Prob. 52QCh. 11 - Prob. 53QCh. 11 - Prob. 54QCh. 11 - Prob. 55QCh. 11 - Prob. 56QCh. 11 - Prob. 57QCh. 11 - Prob. 58QCh. 11 - Prob. 59QCh. 11 - Prob. 60QCh. 11 - Prob. 61QCh. 11 - Prob. 62QCh. 11 - Prob. 63QCh. 11 - Prob. 64QCh. 11 - Prob. 65QCh. 11 - Prob. 66QCh. 11 - Prob. 67QCh. 11 - Prob. 68QCh. 11 - Prob. 69QCh. 11 - Prob. 70QCh. 11 - Prob. 71QCh. 11 - Prob. 72QCh. 11 - Prob. 73QCh. 11 - Prob. 74QCh. 11 - Prob. 75QCh. 11 - Prob. 79QCh. 11 - Prob. 92Q
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- Imagine that a spacecraft has landed on Mercury and is transmitting radio signals to Earth at a wavelength of 10.000 cm. When Mercury is seen from Earth in the evening sky, at its greatest angular distance east of the Sun, it is moving toward Earth at its maximum possible relative speed of 47.9 km/s. To what wavelength must you tune your radio telescope to detect the signals? (Hint: Use the Doppler formula in Reasoning with Numbers 6-2.)arrow_forwardIf the planet Mars is about 56 million kilometers from Earth, how long would it take for a radio wave sent from a space satellite circling Mars to reach Earth? Assume the radio waves (a form of electromagnetic radiation) travel at the speed of light.arrow_forwardIn a not so far away solar system, the sun's intensity is 30 W/m2 for a planet located a distance R away. What is the sun's intensity for a planet located at a distance R/4 from the Sun?---------- W/m2arrow_forward
- The sun emits electromagnetic waves with a power of 4.0×10^26 W. Determine the intensity of electromagnetic waves from the sun just outside the atmospheres of Venus. Determine the intensity of electromagnetic waves from the sun just outside the atmospheres of the earth. Determine the intensity of electromagnetic waves from the sun just outside the atmospheres of Mars.arrow_forwardThe speed of longitudinal waves in the earth's crust is 8.0 km/s and the speed of the transversal waves is 5.0 km/s. What is the distance from the epicenter to the seismological stations if the longitudinal waves have reached the seismograph 87 s before the transversal waves? (The solution is 1.2 × 10² km)arrow_forwardThe ____________ is the most important layer of the ionosphere for refracting HF radio wave and at night, it combines with F1 layer and falls to height of around 300km.arrow_forward
- The energy from the sun warms the portion of the earth facing the sun during the daylight hours. Why are the North and South Poles cold while the equator is quite warm?arrow_forward• As you drive by an AM radio station, you notice a sign sayingthat its antenna is 112 m high. If this height represents one quarter-wavelength of its signal, what is the frequency of the station?arrow_forwardThe planet Venus is different from the earth in several respects. First, it is only 70% as far from the sun. Second, its thick clouds reflect 77% of all incident sunlight. Finally, its atmosphere is much more opaque to infrared light. Estimate the surface temperature again, taking the reflectivity of the clouds into account.arrow_forward
- Which basic mode of communication is used in satellite communication? What type of wave propagation is used in this mode? Write, giving reason, the frequency range used in this mode of propagation.arrow_forwardWhen it comes to operational principles, what is the difference between thermal and laser Doppler anemometers?arrow_forwardAfter Dragonfly lands and is unfolded from its carrier, it flies away at 3.368 m/s. We know that the buzzing sound it makes is at 499.07 Hz, thanks to laboratory testing. The microphone on the stationary carrier detects a frequency of 492.8 Hz. What is the speed of sound at the surface of Titan?arrow_forward
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