Physical Universe
16th Edition
ISBN: 9780077862619
Author: KRAUSKOPF, Konrad B. (konrad Bates), Beiser, Arthur
Publisher: Mcgraw-hill Education,
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Chapter 17, Problem 23E
To determine
To identify: The reason behind far fewer meteoroid craters of ancient origin have been observed on Venus than expected is because of the running water eroded the others or some other reason.
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Which of the following events can NOT be explained by a giant impact event?
The large metallic core of Mercury
The extreme axis tilt of Uranus
The formation of the Moon
The backwards rotation of Venus
Which of the following is least reasonable regarding impact craters?
Group of answer choices
The size and shape of the crater and the amount of material excavated depends on factors such as the velocity and mass of the impacting body and the geology of the surface.
Craters are most often are circular but more elongate craters can be produced with impactors striking the surface at very low angles.
The Moon has more craters than the Earth because of its strong tidal force on the impactors.
Objects from space typically hit Earth at about 20 km/s ande produce craters that can be approximately 20 times larger in diameter than the impacting objects.
The faster the incoming impactor, the larger the crater.
The iron meteorite that created Barringer Crater (Arizona) was 50 m in diameter. It caused a crater 1.2 km (1200 m) in diameter, that is, 24 times bigger than the impactor. Keeping in mind that the size of the crater depends on many factors, such as the type of rocks present in the area, estimate the approximate size of the impactor that produced Mare Serenitatis.
Chapter 17 Solutions
Physical Universe
Ch. 17 - Comets a. follow orbits around the earth b. follow...Ch. 17 - Comets consist of a. leftover matter from the...Ch. 17 - Prob. 3MCCh. 17 - Meteor showers occur a. at the same times each...Ch. 17 - Prob. 5MCCh. 17 - Prob. 6MCCh. 17 - Prob. 7MCCh. 17 - Prob. 8MCCh. 17 - The planet nearest the sun is a. Mercury b. Venus...Ch. 17 - Prob. 10MC
Ch. 17 - Prob. 11MCCh. 17 - Prob. 12MCCh. 17 - Prob. 13MCCh. 17 - Prob. 14MCCh. 17 - Prob. 15MCCh. 17 - Prob. 16MCCh. 17 - An astronaut would weigh least on the surface of...Ch. 17 - Prob. 18MCCh. 17 - Prob. 19MCCh. 17 - Prob. 20MCCh. 17 - Prob. 21MCCh. 17 - Prob. 22MCCh. 17 - Prob. 23MCCh. 17 - Prob. 24MCCh. 17 - Prob. 25MCCh. 17 - Prob. 26MCCh. 17 - Prob. 27MCCh. 17 - Prob. 28MCCh. 17 - Prob. 29MCCh. 17 - Prob. 30MCCh. 17 - Prob. 31MCCh. 17 - Prob. 32MCCh. 17 - Prob. 33MCCh. 17 - Prob. 34MCCh. 17 - Prob. 35MCCh. 17 - Prob. 36MCCh. 17 - Prob. 37MCCh. 17 - Prob. 38MCCh. 17 - Prob. 39MCCh. 17 - Prob. 40MCCh. 17 - Prob. 41MCCh. 17 - Prob. 42MCCh. 17 - Prob. 43MCCh. 17 - Prob. 44MCCh. 17 - Prob. 45MCCh. 17 - Prob. 46MCCh. 17 - Prob. 47MCCh. 17 - Prob. 48MCCh. 17 - Prob. 1ECh. 17 - Prob. 2ECh. 17 - Which is the largest planet? The smallest? Which...Ch. 17 - Prob. 4ECh. 17 - Which planets, if any, have no satellites?Ch. 17 - Is the mass of the solar system concentrated in...Ch. 17 - On which planets would a person weigh less than on...Ch. 17 - Prob. 8ECh. 17 - Prob. 9ECh. 17 - Why do comets have tails only in the vicinity of...Ch. 17 - Prob. 11ECh. 17 - The Perseid meteor shower appears early every...Ch. 17 - Prob. 13ECh. 17 - Prob. 14ECh. 17 - Prob. 15ECh. 17 - Prob. 16ECh. 17 - Why is it very unlikely that there is life on...Ch. 17 - Prob. 18ECh. 17 - Prob. 19ECh. 17 - Venus is the brightest planet in the sky. How does...Ch. 17 - Prob. 21ECh. 17 - Prob. 22ECh. 17 - Prob. 23ECh. 17 - Give two reasons why the surface of Venus is so...Ch. 17 - Give three reasons why Venus is a brighter object...Ch. 17 - Prob. 26ECh. 17 - Mars has surface features that seem to be the...Ch. 17 - Why do temperatures on the surface of Mars vary...Ch. 17 - Prob. 29ECh. 17 - Prob. 30ECh. 17 - Why is ultraviolet radiation from the sun more of...Ch. 17 - Distinguish between asteroids and meteoroids.Ch. 17 - What is believed to be the origin of the...Ch. 17 - Why are few asteroids spherical, as planets are?Ch. 17 - Prob. 35ECh. 17 - Prob. 36ECh. 17 - Prob. 37ECh. 17 - When did conditions on the earth resemble those on...Ch. 17 - Prob. 39ECh. 17 - What are the chief similarities between Jupiter...Ch. 17 - Why are Saturns rings believed to consist of small...Ch. 17 - Is it likely that Saturns rings are permanent...Ch. 17 - Saturns satellite Titan has an atmosphere. Do any...Ch. 17 - Which planet resembles the earth most in size and...Ch. 17 - Is there any evidence that planets other than the...Ch. 17 - (a) Which planets besides Saturn have rings? (b)...Ch. 17 - What are thought to be the chief constituents of...Ch. 17 - (a) What is the chief distinction between planets...Ch. 17 - How does Pluto compare in size with the moon? With...Ch. 17 - We always see the same hemisphere of the moon....Ch. 17 - What is wrong with the statement that the moon is...Ch. 17 - The moon rises in the east at midnight on a...Ch. 17 - Approximately how much time elapses between new...Ch. 17 - Prob. 54ECh. 17 - Prob. 55ECh. 17 - Relative to the stars, the moon takes 2713 days to...Ch. 17 - Prob. 57ECh. 17 - Eclipses of the sun and of the moon do not occur...Ch. 17 - In what phase must the moon be at the time of a...Ch. 17 - Prob. 60ECh. 17 - Prob. 61ECh. 17 - Moonquakes are weaker and occur much less often...Ch. 17 - Prob. 63ECh. 17 - Prob. 64ECh. 17 - Prob. 65E
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- Name one volcano on venus.arrow_forwarda) What are the characteristics of a terrestrial planet? b) What are the characteristics of aJovian planet?arrow_forwardA lot of asteroid and comet dust collides with Earth's atmosphere everyday. Assume that 500 tons of mass is added to Earth daily from the millions of meteors that enter our atmosphere. Estimate the time it would take for the Earth's mass to increase 0.2% with this impact rate. Is this mass accumulation significant to Earth as a planet.arrow_forward
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