21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Question
Chapter 9, Problem 2QP
To determine
The planet which has strongest greenhouse effect.
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Why doesn't Mars have active volcanoes today?
A)
all of the lava already escaped
B)
the planet lost its internal heat to cold space
C)
the volcanoes are just dormant and will erupt again
Consider the greenhouse effect in an atmosphere model consisting of two infrared-opaque layers. Find the temperatures of both layers and the temperature of the planet's surface.
QUESTION 3
The surface of Venus receives
a.
a lot more sunlight than the surface of the Earth
b.
much less sunlight than the surface of the Earth
c.
about as much sunlight as the surface of the Earth
QUESTION 4
Venus has very low surface wind speed because
a.
the greenhouse effect makes the surface temperature nearly uniform
b.
it has a very thin atmosphere
c.
the thick clouds don't allow for much convection in the atmosphere
d.
it doesn't have a large moon
Chapter 9 Solutions
21st Century Astronomy
Ch. 9.1 - Prob. 9.1CYUCh. 9.2 - Prob. 9.2CYUCh. 9.3 - Prob. 9.3ACYUCh. 9.3 - Prob. 9.3BCYUCh. 9.4 - Prob. 9.4CYUCh. 9.5 - Prob. 9.5CYUCh. 9 - Prob. 1QPCh. 9 - Prob. 2QPCh. 9 - Prob. 3QPCh. 9 - Prob. 4QP
Ch. 9 - Prob. 5QPCh. 9 - Prob. 6QPCh. 9 - Prob. 7QPCh. 9 - Prob. 8QPCh. 9 - Prob. 9QPCh. 9 - Prob. 10QPCh. 9 - Prob. 11QPCh. 9 - Prob. 12QPCh. 9 - Prob. 13QPCh. 9 - Prob. 14QPCh. 9 - Prob. 15QPCh. 9 - Prob. 16QPCh. 9 - Prob. 17QPCh. 9 - Prob. 18QPCh. 9 - Prob. 19QPCh. 9 - Prob. 20QPCh. 9 - Prob. 21QPCh. 9 - Prob. 22QPCh. 9 - Prob. 23QPCh. 9 - Prob. 24QPCh. 9 - Prob. 25QPCh. 9 - Prob. 26QPCh. 9 - Prob. 27QPCh. 9 - Prob. 28QPCh. 9 - Prob. 29QPCh. 9 - Prob. 30QPCh. 9 - Prob. 31QPCh. 9 - Prob. 32QPCh. 9 - Prob. 33QPCh. 9 - Prob. 34QPCh. 9 - Prob. 35QPCh. 9 - Prob. 36QPCh. 9 - Prob. 37QPCh. 9 - Prob. 38QPCh. 9 - Prob. 39QPCh. 9 - Prob. 40QPCh. 9 - Prob. 41QPCh. 9 - Prob. 42QPCh. 9 - Prob. 43QPCh. 9 - Prob. 44QPCh. 9 - Prob. 45QP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Compare the current atmospheres of Earth, Venus, and Mars in terms of composition, thickness (and pressure at the surface), and the greenhouse effect.arrow_forwardCompare and contrast the compositions of the atmospheres of Earth, Venus, and Mars.arrow_forwardSummarize the origin and evolution of the atmospheres of Venus, Earth, and Mars.arrow_forward
- Venus and Earth are nearly the same size and distance from the Sun. What are the main differences in the geology of the two planets? What might be some of the reasons for these differences?arrow_forwardWe know that both Venus and Mars lack mountain ranges because they both lack a. magnetic fields b. volcanoes c. plate tectonics d. atmospheresarrow_forwardDespite being within the sun’s “habitable zone”, both Venus and Mars have average surface temperatures that do not permit the existence of liquid water. Besides albedo, name three other important properties of a planet that can influence its temperature.arrow_forward
- Venus is slightly smaller and lighter than the Earth. As a result, the gravitational acceleration at the surface of Venus gv = 8.9 m/s2 indicating a gravitational attraction slightly weaker than that of Earth. It is also closer than Earth, to the sun. The atmosphere of Venus is composed predominantly of carbon dioxide with very little nitrogen. Why might that be the case?arrow_forwardThe atmospheric pressure on the surface of Venus is 90. atm. Calculate the atmospheric pressure in kPa.Round answer to 2 significant digits.arrow_forwardWhich planet has impact craters just scattered randomly over its entire surface? a. Mercury b. Venus c. Earth d. Mars 2. We hope to find evidence of past life on Venus by discovering fossils there someday. True Falsearrow_forward
- Which of the following is NOT best explained by Venus's extreme greenhouse effect? a. its extremely high surface temperature b. its extremely uniform surface temperature c. its extremely low surface wind speeds d. its lack of magnetismarrow_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. Calculate the solar constant at the location of Venus, and estimate what the average surface temperature of Venus would be if it had no atmosphere and did not reflect any sunlight.arrow_forward1.) Gases in the atmosphere keep the temperature in a range to support life on earth. 2.) There is an exact place where the atmosphere ends.arrow_forward
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