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Author Question: Iron meteorites are believed to come from: A) the core of a dense M-type asteroid, now broken up. ... (Read 61 times)

wrbasek0

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on: Jul 27, 2018
Iron meteorites are believed to come from:
 
  A) the core of a dense M-type asteroid, now broken up.
  B) Mars, hence their reddish color.
  C) the crust of a differentiated type C asteroid, now broken up.
  D) a broken up cometary nucleus, hence their shiny appearance.
  E) deep space, far beyond the solar system, hence their unique crystal patterns.

Question 2

Describe at least three ways in which our solar system would be different if orbital resonances had never been important.
 
  What will be an ideal response?


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dantucker

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

Many possible answers; without orbital resonances: (1 ) The asteroids might have accreted into a single planet between Mars and Jupiter. (2 ) Comet orbits would not be nudged, so comets would not collide as frequently with Earth. (3 ) From the previous two ideas, Earth would not have been as heavily impacted. (4 ) Earth would not have received as many volatiles from the outer solar system. (5 ) Saturn's rings would not be broken into rings and gaps. (6 ) The asteroid belt would not have gaps. (7 ) Kuiper-belt objects would not clump into orbital groups. (8 ) Pluto and other Kuiper-belt objects would not be prevented from colliding with Neptune. (9 ) Io, Europa, and Ganymede would not be geologically active.


wrbasek0

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

6ana001

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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