Discoveries force theory revisions: The discovery of hot Jupiters ...

[rayancarla1]

Discoveries force theory revisions: The discovery of hot Jupiters forced scientists to revise the nebular theory of solar system formation.
 
  Think of a hypothetical discovery that would force further revisions of the theory of planet formation, and explain why this observation would contradict the theory.

Question 2

Suppose that two objects collide. Which of the following things is not the same both before and after the collision?
 
  A) the total momentum of the objects B) the total temperature of the objects
  C) the total energy of the objects D) the total angular momentum of the objects

[234sdffa]

Answer to Question 1

but might include ideas such as: discovery of terrestrial planets around a star with very low amounts of elements more massive than hydrogen and helium would challenge the idea that stars and planets form from the same initial material; discovery of a massive planet in an undisturbed disk of material around a young star would challenge the idea that hot Jupiters are the result of migration caused by the planet creating gaps in the disk

Answer to Question 2

B