NATS 1880 Lecture Notes - Lecture 1: Planetary Science, Exoplanet, Apollo 15
2 Apr 2016
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Document Summary
What do we know now: macroscopic (multi-cellular) does not exist anywhere in the solar. System: microbial (bacterial) life perhaps does exist in other locations in the. Solar system: the real estate = many stars in our galaxy have planetary systems > more potential sites for life, technology provides a more thorough search for signs of life beyond. Earth = the most hospitable location to date, but other candidates do exist nearby. 1. 4: list of candidates where life may be found- mars = a (very) likely candidate- europa, ganymede, calisto (jupiter moons)- Titan, enceladus (saturn moons)- triton (neptune moon)- meteorites: could aliens be searching for us?- if life is common, then civilizations may be common - evidence for life does"t necessarily mean evidence for civilization- seti (the search for. Extraterrestrial intelligence) = ongoing since 1959: the milky way (our galaxy) = approx.
