Tonight’s Agenda. Questions ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

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Presentation transcript:

Tonight’s Agenda

Questions ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

Randomness and Mutation

What do you think scientists expect to find through SETI and

Why do you think NASA chose to eliminate funding for SETI in the 1990s?

Do you believe SETI and are worthwhile projects? Why?

What outcome(s) do you think will result from SETI and

Fishes.southernfriedscience.com

Astrobiology - Examining life at its extremes on earth (hydrothermal vents). Where else within our solar system might we find life adapted to extreme conditions like the vents? Europa (Jupiter’s 4th Moon)‏ Jupiter’s 4 Galilean moons

Jupiter’s 4th Moon Europa - A hidden Ocean??? Ice Covered Surface - Is the ice moving??

Two Hypotheses Warm Convecting Ice Liquid Ocean Under Ice Could be ~ 100km deep Geothermal activity High tidal range due to Jupiter ~110 feet causes ice shells to flex every 3.5 days.

Europa - Ocean Explorer Europa - Orbiter

Is there life on other planets? What do you think? “The Drake Equation” N = R * x f p x n e X f l x f i x f c x L N = the number of civilizations in our galaxy in which communication might be possible R* = the average rate of star formation per year in our galaxy (7/year) ‏ fp = the fraction of those stars that have planets (0.5) ‏ ne = the average number of planets that can support life per star that has planets (0.005) ‏ fℓ = the fraction of the above that actually go on to develop life at some point (0.33) ‏ fi = the fraction of the above that actually go on to develop intelligent life (0.01) ‏ fc = the fraction of civilizations that develop a technology that releases detectable signs of their existence into space (0.01) ‏ L = the length of time such civilizations release detectable signals into space. (10000 years) ‏ N= 0.006

Questions ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?