21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 8, Problem 4QP
To determine
The way in which the Earth interior heated from the following options.
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Students have asked these similar questions
1. Which of the following STILL significantly heats the Earth's interior?
a.
bombardment
b.
compression
c.
radioactivity
d.
differentiation
2. Both the Moon and Mercury have
a.
volcanic craters only
b.
impact craters only
c.
some volcanic and some impact craters
34.How old is this Martian Rock that is found to be containing 12.5% of a radioactive parent nucleus? The half-life of this isotope is 1 billion years old.
a.
5 billion years
b.
12 billion years
c.
3 billion years
d.
10 billion years
Some planets have very strong magnetic fields.
What features must a planet have to cause this?
a.both rapid rotation and a conducting liquid
core
b.only a rapid rotation
c.only a liquid conducting core
d.both a rapid rotation and a solid metallic core
e.only a metallic core
Chapter 8 Solutions
21st Century Astronomy
Ch. 8.1 - Prob. 8.1CYUCh. 8.2 - Prob. 8.2CYUCh. 8.3 - Prob. 8.3ACYUCh. 8.3 - Prob. 8.3BCYUCh. 8.4 - Prob. 8.4CYUCh. 8.5 - Prob. 8.5CYUCh. 8.6 - Prob. 8.6CYUCh. 8 - Prob. 1QPCh. 8 - Prob. 2QPCh. 8 - Prob. 3QP
Ch. 8 - Prob. 4QPCh. 8 - Prob. 5QPCh. 8 - Prob. 6QPCh. 8 - Prob. 7QPCh. 8 - Prob. 8QPCh. 8 - Prob. 9QPCh. 8 - Prob. 10QPCh. 8 - Prob. 11QPCh. 8 - Prob. 12QPCh. 8 - Prob. 13QPCh. 8 - Prob. 14QPCh. 8 - Prob. 15QPCh. 8 - Prob. 16QPCh. 8 - Prob. 17QPCh. 8 - Prob. 18QPCh. 8 - Prob. 19QPCh. 8 - Prob. 20QPCh. 8 - Prob. 21QPCh. 8 - Prob. 22QPCh. 8 - Prob. 23QPCh. 8 - Prob. 24QPCh. 8 - Prob. 25QPCh. 8 - Prob. 26QPCh. 8 - Prob. 27QPCh. 8 - Prob. 28QPCh. 8 - Prob. 29QPCh. 8 - Prob. 30QPCh. 8 - Prob. 31QPCh. 8 - Prob. 32QPCh. 8 - Prob. 33QPCh. 8 - Prob. 34QPCh. 8 - Prob. 35QPCh. 8 - Prob. 36QPCh. 8 - Prob. 37QPCh. 8 - Prob. 38QPCh. 8 - Prob. 39QPCh. 8 - Prob. 40QPCh. 8 - Prob. 41QPCh. 8 - Prob. 42QPCh. 8 - Prob. 43QPCh. 8 - Prob. 44QPCh. 8 - Prob. 45QP
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- 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 moonarrow_forward1. A giant ice sheet expands quickly over the surface of North America. For how long must the ice sheet remain in place in order to cool the crust to a depth of 2000 m? The thermal diffusivity of crustal rocks is ~ 10-6 m²/s. Give your answer in years.arrow_forwardHW-1 Q.4 Calculate the temperature, hydrostatic pressure, lithostatic pressure, and the effective pressure for the following conditions; Surface temperature%=D 60 °F Temperature gradient=1.45 °F/100 ft Depth of the layer =8,000 ft Specific gravity of the rock=D2.6arrow_forward
- The condensation sequence predicts that asteroids consisting of carbonaceous material would form a. in the inner solar system where it is warmer. b. at random locations then migrating to the outer asteroid belt due to the gravitational influence of Jupiter and Saturn. c. in the outer solar system where it is very cold. d. between the orbits of Jupiter and Saturn. e. in the outer asteroid belt where it is cooler.arrow_forwardplease help me out. details and explanations are very much appreciated.arrow_forwardDue to tidal forces, a moon orbiting a planet will eventually a always keep the same side toward the planet b collide with the planet c break up into a number of fragments d develop a warmer climate as time goes on Jupiter's moon Io is very volcanically active, which means it has plate tectonics. a. true b. falsearrow_forward
- 15 The surface temperature on Venus may approach 735 K. What is this temperature in degrees Celsius? type your answer... The temperature on Mercury may drop to -263° F at night. What is this temperature in degrees Celsius? type your answer... Spointe Iarrow_forward22. The Solar SystemA. formed about 14 billion years ago.B. formed about 4.5 billion years ago.C. formed about 100,000 years ago.D. has always existedarrow_forwardWhen a projectile ( a rock from space, say) hits the surface of the Moon, which of the following do we NOT get? a. a crater b. an ejecta blanket c. secondary craters d. a rough hilly apron (or slope) of ejected material e. a gushing out lots of water that had been frozen inside the ground of the cold Moon, but it is briefly heated by the impactarrow_forward
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