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Goal 1—Understand the nature and distribution of habitable environments in the Universe
Objective 1.1—Models of formation and evolution of habitable planets
Objective 1.2— Indirect and direct astronomical observations of extrasolar habitable planets
Goal 2—Explore for past or present habitable environments, prebiotic chemistry and signs of life elsewhere in our Solar System
Objective 2.1—Mars exploration
Objective 2.2—Outer Solar System exploration
Goal 3—Understand how life originates from cosmic and planetary precursors
Objective 3.1—Sources of prebiotic materials and catalysts
Objective 3.2—Origins and evolution of functional biomolecules
Objective 3.3—Origins of energy transduction
Objective 3.4—Origins of cellularity and protobiological systems
Goal 4—Understand how past life on Earth interacted with its changing planetary and Solar System environment Objective 4.1—Earth's early biosphere
Objective 4.2—Foundations of complex life
Objective 4.3—Effects of extraterrestrial events upon the biosphere
Goal 5—Understand the evolutionary mechanisms and environmental limits of life
Objective 5.1—Environment-dependent, molecular evolution in microorganisms
Objective 5.2—Co-evolution of microbial communities
Objective 5.3—Biochemical adaptation to extreme environments
Goal 6—Understand the principles that will shape the future of life, both on Earth and beyond
Objective 6.1—Environmental changes and the cycling of elements by the biota, communities, and ecosystems
Objective 6.2—Adaptation and evolution of life beyond Earth
Goal 7—Determine how to recognize signatures of life on other worlds and on early Earth
Objective 7.1— Biosignatures to be sought in Solar System materials
Objective 7.2—Biosignatures to be sought in nearby planetary systems
Objective 6.1 Environmental changes and the cycling of elements by the biota, communities, and ecosystems Conduct remote sensing, laboratory and field studies that relate the effects of environmental changes during Earth history to the cycling of key elements. Relate changes in elemental cycling to effects on the structure and functioning of organisms, populations, communities, and ecosystems. Develop predictive models that integrate biogeochemical cycles with biological evolution and environmental change (both anthropogenic and non-anthropogenic, including extraterrestrial events [see Objective 4.3]).
Example investigations Construct biogeochemical models of ecosystems and test the models with isotopic and functional genomic analyses of the constituent parts of the ecosystems. Document the ecological impact of changes in climate, habitat complexity, and nutrient availability upon the structure and function of a selected ecosystem, as a guide for understanding changes that might occur over time scales ranging from abrupt events (a few years or less) to millions of years.
Objective 6.2 Adaptation and evolution of life beyond Earth Explore the adaptation, survival and evolution of microbial life under environmental conditions that simulate conditions in space or on other potentially habitable planets. Insights into survival strategies will provide a basis for evaluating the potential for interplanetary transfer of viable microbes and also the requirements for effective planetary protection.
Example investigations Document the impact of the space environment upon microbial ecosystems that might be ejected into space by an impact event.
Examine the survival, genomic alteration, and adaptation of microbial ecosystems in a simulated martian habitable environment. Interpret the significance of the findings regarding the potential for the forward biological contamination of Mars.
Examine the effects of the space environment upon the biosynthesis and utilization of microbial biomolecules that play key roles in biogeochemical processes.
Disclosure has already begun, switch on your TV and look how many channels are showing Space, ET, UFO related material. Look at the films that are going to released over the next 12 months and you will see a pattern emerging. It is all about associating ET as friendly and not hostile IMHO we need to question everything as it is played out as everything is not always what it seems to be. Since when has NASA ever been truthful to the public, they believe that they are above us because they hold the knowledge however, everything comes to an end, whether we like it or not.
Originally posted by JayXBraun
this is really starting to get OLD.
im getting sick of every month nasa and you stupid people who belive them talking about this kind of stuff..
its all BS!
if aliens wanted to be known, trust me. they would be.