Lesson 1.2 The Origin of the Solar System Flashcards
(5 cards)
1
Q
Which hypothesis was able to explain why planets revolve in the same direction and why the inner planets are denses than the outer ones.
A
Encounter Hypothesis
2
Q
This states that the entire solar system starts as a large cloud of gas that that contracted due to self-gravity
A
Nebular Hypothesis
3
Q
It is the present working model for the formation of the solar system
A
Protoplanet Hypothesis
4
Q
According to this hypothesis, the hot gases continued to spin in the same direction as the sun and collapsed into smaller lumps which formed planets
A
Encounter Hypothesis
5
Q
It could not account why 99% of the solar system’s mass is in the sun but 99% of its angular momentum is in the planets
A
Nebular Hypothesis
