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Author Question: Which of the following is the origin of almost all the large moons around the jovian planets? A) ... (Read 173 times)

karlynnae

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Which of the following is the origin of almost all the large moons around the jovian planets?
 
  A) They are captured planets.
  B) They are captured asteroids.
  C) They were formed by giant impacts.
  D) They were formed by condensation and accretion in a disk of gas around the planet.
  E) They are captured comets.

Question 2

How did discovering the KBOs demote Pluto's planetary status?
 
  What will be an ideal response?



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stanleka1

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Answer to Question 1

D

Answer to Question 2

If Pluto were to be considered a major planet, then many Kuiper Belt Objects are almost as big as Pluto, also orbit the Sun, some of them have moons also, and most are in more circular orbits closer to the ecliptic, behaving more like planets than Pluto does. Should they not also have been counted as planets as well?




karlynnae

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


okolip

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Reply 3 on: Yesterday
Excellent

 

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