ASTRON 2B03 Lecture Notes - Lecture 21: Stephen Hawking, Earth Mass, Globular Cluster
2 Dec 2016
School
Department
Course
Professor
Document Summary
Hst recently observed plumes of water as europea passed (transited) infront of. Jupitar there is for sure that contains water. Missions to europa or titan short-term: orbiter mission (not lander) to euripea planned to map its surface (2020s) long term: land on europa, drill down through the ice land on titan, test the lakes. Life depends on 2 necessary components: liquid water need for chemical reactions for life, organic molecules, source of energy that can be used by living things on earth, they"re volcanos and sun. What do you look for: oxygen over time, earth"s atmosphere was changed by having more oxygen, water, intelligent signals. Looking for life on extra-solar planets study atmospheres on esp and look for biosignatures e. g. dominant biosignitures gasses on earth only from existence of life on. James webb telescope able to measure spectra for esps and search for.
