Rare Earth Hypothesis vs Mediocre Principle Flashcards
1
Q
What is the rare Earth hypothesis?
A
That earth is special and the n=1
2
Q
What is the mediocre principle?
A
That Earth isn’t special. If we were to draw something from a category then we are more likely to draw something from the majority that the minority.
3
Q
What is the Drake equation?
A
A way of estimating how many advanced civilisations that we could communicate with. 3 fact, 4 guess. n=1.
4
Q
Conditions of life
A
- position within the solar system
- a moon
-plate tectonics
-magnetic field
5
Q
Purpose of the moon
A
Early life formed in tidal pools
6
Q
Purpose of position in solar system
A
Position for liquid water to form, water available 4.3 billion years ago
7
Q
Purpose of magnetic field
A
allows water to be kept on Earth, protect from radiation and keeps ozone layer in tact