Lernkarten
0 Exakte Antworten
16 Text Antworten
0 Multiple Choice Antworten
Order of the Planets?
(Sun)
- Mercury
- Venus
- Earth
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
What are the names of the two comet reservoirs in out solar system?
- Kuiper Belt (35-100 AU)
- Oort cloud (30'000-100'000 AU)
Composition of the planets in relation to their distance to the sun?
- The closer to the Sun the denser they are and the higher their metal content.
- H and HE abundances in Giant Planets decrease with distance from the Sun.
Keplers first Law?
- Planets travel in an ellipse with the Sun at one focus
Keplers second Law?
The Plaent sweeps out equal areas in equal Time
=> The Planet goes faster when nearer the Sun
Keplers third law?
The aquare of the orbital Period P of any Planet is proportional to the cube of the planet's average distance from the Sun:
a3 = kP2
Newton Laws?
- Every Object in a state of uniform motion tends to remain in that state of motion unless acted upon by an external force.
- Relationship between an object's mass m, its acceleration alfa and the force F applied upon it is F=ma
- For every action there is an equal and opposite reaction.
What / Where is the "Snowline"?
= Where temperature reaches 0°C and water ice is formed: at 3-4 AU
