"Where did the first DNA molecule come from? What kind of information did it carry (What for and where did it get it)? "
Content with the tag: “polar wander”
Early oceans on Mars
ROADMAP OBJECTIVES: 1.1, 2.1
Evolution of the interior and its consequences for water on Mars
ROADMAP OBJECTIVES: 1.1, 2.1
- 16srrna 17p 79 ceti 85p 1999 1999 and 2000 2000 2008 aas abiogenic abiogenic methane abiotic abiotic synthesis abscicon abundances acid mine drainage acidophile activity adaptive optics adenosine triphosphate aerobic aerosol aerosols akila akilia island algae algal-sarcodine photosymbiotic relationships algal cultures alh84001 alien earths alien life allan hills alpha centauri altiplano alvin amase american astronomical society american type culture collection amino acid amino acids ammonia ammonia formation ammonium amorphization anaerobic analog environments ancient earth ancient pathways. andes and k content anoxia biomarker permian cambrian terrestrial paleosol oxygen archean proterozoic biogeochemistry extinction euxinia hydrogen sulfide sulfur bacteria anoxic environment anoxygenic photosynthesis antarctica antarctic endolithic communities antarctic lakes antartic antartica antennas aqueous alteration archae archaea archaeoglobus archea archean arctic area 9 arid and semi-arid soils aromatic asap (astrobiology sample analysis program) aspartic acid asteroid asteroid 10537 (1991 ry16) asteroids asteroids--dynamics astid astrobiology astrobiology (journal) astrobiology drilling program astrobiology journal astrobiology magazine astrobiotechnology astrochemistry astronaut astronomical journal astrophysical journal astrophysical journal letters astrophysics atacama atacama desert atlantis atmosphere atmosphere escape atmosphere evolution atmospheric airglow atmospheric carbon dioxide atmospheric chemistry atmospheric evolution atmospheric formation atmospheric photochemistry atp-binding proteins australia australian centre for astrobiology autotrophic auv avhrr database awards axial volcano subsurface fluids axis bacteria bacterial metagenomes bacteriorhodopsin banded iron formations basaltic basaltic lava basalt tuff basalt weathering baseball binaries binaries: spectroscopic bioastronomy biochemical adaption biochemistry bioenergetics biofilms biogenic mineral structure biogenic molecules biogeochemical cycles biogeochemistry biogeography biological biomarker biomarkers biome biomimetic synthesis biopan biosignature biosignatures biosphere biosphere-atmosphere interactions biosustaining energy bodonids boethin books borehole brine britian brown dwarfs burgess shale-type ca calcite calcite nano-fibers calcium cambrian canada canyon canyons carbon carbon-13 carbonaceous chondrite carbonate carbonate rocks carbonates carbon chemistry carbon cycle carbon dioxide carbon dioxide ice cargill salt company cassini catalysis catalytic cavity ring-down spectrometer cdna celestial mechanics celestial mechanics – methods: n-body simulations – planets and satellites: general – solar system: celestial mechanics. cells chelation chemical weathering chemin (chemical and mineralogical xrd/xrf instrument) chemoautotrophy chemolithoautotrophs chemostratigraphy chemosynthetic communities chemotrophs chile chimpanzee china chip chiral chirality chlamydomonad chlorophyll concentration chondritic meteorites chrysophyte chrysophytes circumstellar disks circumstellar dust. citations climate climate change climate model climate modeling climate models clouds cnn co-evolution co3 cold environments collaborative technology colors comet cometary comet recovery comets comet wild 2 comics community community software complex life complex organics composition compound specific isotopic analysis computational chemistry conference contamination contamination control continental core accretion cork observatories cosmic rays cosmochemistry countermeasures coupled models cryptoendolith. crystalline water ice curriculum cyanobacteria cycling d/h ratio dance darwin sequence analysis data data analysis database databases data processing techniques dawn ddf decoherence deep-esp deep biosphere deep impact deep impact extended mission deep marine sediments deep subsurface biosphere deep terrestrial biosphere dehydratases dehydrogenases deinococci denitrifcation depthx desulfobulbus desulforhopalus detection methods: transit photometry deuterium deutertation devonian devon island dice dinosaurs director direct planet detection disk-averaged spectra. disk chemistry disks dissimilatory dissimilatory iron reduction distributed temperature sensor diversity dna dna. dna damage dna sequencing dolomite dolphin drilling dune dust dust flux dwarf star dynamical modeling dynamic global vegetation model dynamics e. coli ea early atmosphere early atmospheres early earth early earth geochemistry early evolution of life early life early mars early planetary system evolution early solar system earth earth’s early biosphere earth's early atmosphere earth's water earth-like planets earth and planetary science letters earth and planetary science letters (journal) earth evolution earth formation earthshine east pacific rise eclipsing ecogenomics ecosystem model edax education electric discharge electrochemistry electrocorrosion electronic arts element fractionation el ni�o embedded star formation enceladus encyclopedia of life endosymbiosis endourance endurance england environment environmental chemistry environments enzyme enzymes eoarchean epimerases epoxi erosion esa ethane eubacteria eukaryote eukaryote evolution eukaryotes eukaryotic-specific primers eukaryotic microbial community europa evaporation evaporite evolution evolution and environment exo-planetary systems exobiology exoplanet exoplanets exosolar planets expose express exremophiles extra-solar planets extrasolar life extrasolar planet extrasolar planets extraterrestrial extraterrestrial life extreme conditions extreme environment extreme environments extreme life extremeophiles extremephiles extremophiles faint companion farmer fe fe isotopes femtochemistry fiction fieldwork in april of 1999 in the tinto river located in the huelva district of southwestern spain fingerprint fischer-tropsch catalysis flood fluorescence in situ hybridization focus group formation routes 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interstellar medium interstellar molecules interviews in vitro evolution ionizing radiation ion microprobe iron iron –sulfides iron-sulfur enzymes iron-sulfur minerals iron concentrations iron formation iron isotope fractionation iron oxide iron oxidizers iron oxidizing bacteria iron reducers iron reduction kinetics irons-sulfur surfaces iron spectromicroscopy irradation irradiation ir spectroscopy isomerases isotope isotopes isotopic fractionation iss issol jack hills jakoba incarcerata jakoba libera jakobids jarosite journal:earth journal: journal of geophysical research journal of bacteriology journal of the american chemical society jpl jupiter kbo kbo size distribution kepler key nutrient metals kuiper belt kuiper belt objects laboratory laboratory investigation laboratory science lake lake bonney lakes landsat tm data laser laser desorption lassen lassen volcanic national park late accretion late bombardment late heavy bombardment ldn 673 left-handed lefty level of analysis lexen program life life and environment life elsewhere in the universe life in extreme life in our solar system life in the universe life on mars light lightning li isotopes lipids liquid liquid chromatography mass spectrometry lithic clasts lithophiles living in the microbial world: summer teacher enhancement - august 1999 lmt low-mass low-mass stars low albedo deposits lunar-like satellites lunar exploration lunar impacts m�ssbauer mafic maghemite magnesite magnet magnetic field magnetic fields magnetic fields - stars magnetite magnets main belt asteroids main belt comets maine malawimonas jakobiformis maps marco polo marine ecology marine sediments eukaryotes mars mars. mars analog mars analog. mars analogs mars analog site mars analogues mars atmosphere mars environmental chamber mars exploration mars express mars glaciers mars global surveyor mars habitability mars life mars maps mars methane mars orbiter mars reconnaissance orbiter mars rovers mars science laboratory mars time mars water martian analogues martian atmosphere martian channels martian dynamo martian meteorites martian oceans mass extinction mass extinctions mbcs mcmurdo dry valleys m dwarfs m dwarf stars media membranes mer mercury messenger metabolic chemistry metabolism first metagenome metagenomics metal isotope fractionation metal sulfides metamorphism meteor meteorite meteorites meteoritic organics meteors meterite meterorites methane methane cycle methanococcus methanogen methanogenesis methanogens methanopyrus methodology mexico micro-oxic environment microbes microbial microbial communities microbial community microbial community population structures microbial diversity microbial ecology microbial ecosystem microbial ecosystems microbial evolution microbial evolutionary processes. microbial geochemistry microbialite microbialites microbial life microbial mat microbial mats microbiology microgravity microlensing microorganisms microscopy mike russell miller-urey miller-urey experiments mineral biosignature mineralogy mirs missions mitochondria mixed cation carbonates mo model interface models mojave molecular-level computer simulations molecular beam molecular biology and evolution (journal) molecular cloud molecular clouds molecular evolution molecular hydrogen molecular mechanics molecular spectroscopy molecular weight molecules molecules of life molybdenum molybdenum isotope fractionation monocarboxylic acids monterey bay moon moon and planets moons mrna mro msl msl (mars science laboratory) m star m stars multi-realizable processes multiple-planet system murchison music mutualism mycobacterium tuberculosis mysql nad nai nai arc team nai asu team nai berkeley team nai cal team nai ciw team nai cub team nai gsfc team nai har team nai hawaii team nai iptai team nai mbl team nai minority institution research support nai mit team nai montana team nai msu team nai postdoctoral fellow nai psu team nai seti team nai ua team nai ucb team nai ucla team nai uh team nai uri 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time time-of-flight mass spectrometer timescale timetree tinto river titan titanium transiting planets tree of life tree rings tropical rainforest trunk river tubulins tweets twitter u-tube uk ultramafic ultrasmall cells uncultured archaea underwater united kingdom upsilon andromedae uv uv light uv radiation v733 cephei v1647 orionis vegetation vegetation red edge venus video viking viral metagenomes virus viruses visible-near infrared spectroscopy volatile delivery volatile elements volatile exchange volcanoes voyager vysos vysos (variable young stellar objects survey) wall street journal water water on mars water rock interaction weathering web 2.0 website websites well-skeletonized animals wet-chemistry workbook workshop workshop in molecular evolution at woods hole - august 1999 yeast yellowstone young binaries young stellar objects zircon zircons zoe
