the search for extra terrestrial intelligence Flashcards
1
Q
what is fermis paradox
A
- where is everybody
- galatic crossing time is less than the age of the earth
- 10 million years to explore the milky way with current technology
- why havent we seen anyone then???
2
Q
what is the drake equation
A
- the probability of finding intelligent life in the galaxy and beyond
- we are currently at ne, which lies close to certain rather than uncertain
3
Q
solution 1 to not finding life
A
Copernican theory is wrong, and instead of there being the sun in the centre of the universe, the universe has no centre
4
Q
solution 2
A
borrowed time- civilations are short lived
5
Q
solution 3
A
we missed them if they visited along time ago
6
Q
solution 4
A
they are intentionally hiding from us
7
Q
solution 5
A
we are living in a simulation
8
Q
solution 6
A
the universe is too large (alpha centuri is still 4 light years away)
9
Q
search method for intelligence
A
- radio- ETI useful too- water hole frequency