Origin of the Solar System Flashcards
1
Q
The Earth is motionless in the heavens and everything was revolving around it.
A
Geocentric Universe
2
Q
Geo
A
Earth
3
Q
Centric
A
Center
4
Q
- Presumed that the Solar System began as a cloud of dispersed interstellar gas known as Nebula.
- Immanuel Kant and Pierre-Simon are responsible for this theory.
A
Kant-Laplace Nebular Hypothesis
5
Q
Particles are kept together by…
A
Electrostatic Forces
6
Q
The motion of celestial objects can be explained without putting the Earth in the center of the universe.
A
Theory of Heliocentrism
7
Q
Astronomer that contradicted the Geocentric Universe Model.
A
Nicolaus Copernicus
8
Q
Italian philosopher suggested that even the solar system is not the center of the universe.
A
Giordano Bruno
9
Q
- A rogue star passed close to the sun and stripped materials (hot gasses) from both the sun and the rogue star.
- The hot gases continued to spin in the same direction as the sun and coalesced into smaller lumps, which form planets.
- Explains why inner planets are denser than outer ones.
A
Encounter Hypothesis
10
Q
Began with fragments from interstellar cloud composed mainly of hydrogen, helium, and traces amount of light elements.
A
Protoplanet Hypothesis
11
Q
- States that the star passed close enough to the sun creating huge tides and causing the material to be ejected.
- Proposed by Thomas Crowder Chamberlin and Forest Ray.
A
Planetisimal and Tidal Theories
