Which is most likely to make a more frequent “visitor” of Earth: comet or asteroid (Based on the table of Comparison of some characteristics of comets and asteroids)? Why do you think so?
Which is most likely to make a more frequent “visitor” of Earth: comet or asteroid (Based on the table of Comparison of some characteristics of comets and asteroids)? Why do you think so?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Which is most likely to make a more frequent “visitor” of Earth: comet or asteroid (Based on the table of Comparison of some characteristics of comets and asteroids)? Why do you think so?

Transcribed Image Text:Comparison of some characteristics of comets and asteroids
Characteristic
Comet
Asteroid
Origin
Shape
Kuiper Belt and Oort Cloud
Main Asteroid Belt
Varied/Irregular
Varied/Irregular
Size range of diameter
1-10 km (nucleus only)
1- 100++
(kilometer)
Ice (frozen water); frozen gases (ammonia,
Chemical composition methane, and carbon dioxide); other organic
Silicates (olivine and pyroxene), iron, nickel
compounds (Carboncontaining compounds)
Highly elliptical
75 to 100,000++
Orbit
More rounded
Orbital period (years)
1-100
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