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{{Redirect|Origin of life|non-scientific views on the origins of life| Creation myth}} ...1 billion years ago]], and not long after the [[Age of the Earth|formation of the Earth]] 4.54 billion years ago.<ref name="NAT-20170301" /><ref name="NY ...

TEST OF IMPORT OF PAGE FROM: [https://www.science20.com/robert_walker/will_first_mars_astrona ...tian life is independently evolved. And if the more optimistic projections of Elon Musk, some NASA enthusiasts, and Bill Nye and others are fulfilled, th ...

| alma_mater = [[University of Chicago]],<br>(BA, BS, MS, PhD) * [[Space science]] ...

...flight mission|Mars Science Laboratory|its events on Mars|Timeline of Mars Science Laboratory}} ...= {{longitem|[[Self-portrait]] of ''Curiosity'' located at the foothill of [[Mount Sharp]] (October 6, 2015)|style= padding: 3px 0; line-height: 1.3em ...

| caption = View of trailing hemisphere in natural color<ref name="caption" group="lower-alpha" ...rnal= Science|volume= 344|issue= 6179|year= 2014|pages= 78–80|doi= 10.1126/science.1250551|pmid=24700854|bibcode= 2014Sci...344...78I}}</ref> (estimate) ...

...ol, a circle with a small equal-armed cross beneath it|Astronomical symbol of Venus]] | caption = A real-colour image of Venus taken by ''[[Mariner 10]]'' processed from two filters. The surface i ...

...requirements; its implementation remains the gold standard today."}}</ref> of present-day planetary protection. ...d parts of the spacecraft, so this was enough for a million-fold reduction of the originally low population).<ref name=JPL2011/> ...

| adjectives = Titanean, Titanian<ref>"Titanian" is the adjectival form of both Titan and Uranus's moon [[Titania (moon)|Titania]]. The latter may be ...first14=J. R. | last14=Stauch| date=December 2006| title=The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Da ...

{{Needs-Attention|Soome parts - e.g. Mars mateiral are several years out of date}} ...168/launching-the-alien-debates |title=Launching the Alien Debates (part 1 of 7) | accessdate=5 May 2014 | date=8 December 2006 |work=[[Astrobiology Maga ...

{{Vetted|0}}{{about|the Mars lander|the ''[[Space: 1999]]'' spacecraft|List of Space: 1999 vehicles#Phoenix (formerly known as "Uranus Probe")|other uses| <!--image of the spacecraft/mission--> ...

...abitable planet|a list of potentially habitable planets found to date|List of potentially habitable exoplanets}} ....jpg|thumb|Understanding planetary habitability is partly an extrapolation of the conditions on Earth, as this is the only [[planet]] known to support [[ ...

...he blue areas are lakes of liquid hydrocarbons<br/>"The existence of lakes of liquid hydrocarbons on Titan opens up the possibility for solvents and ener ...arbon compounds, compounds of another element, or another solvent in place of water. ...

| image_caption = Model of ''Schiaparelli'' lander at [[ESOC]] (2016) ...nt/mars/48898-edm-science-payload/ |title=Schiaparelli science package and science investigations |publisher=European Space Agency |date=10 March 2016}}</ref> ...

| caption = Artist impression of a Viking orbiter releasing a lander descent capsule ...posed of two main parts: an [[orbiter]] designed to photograph the surface of Mars from [[orbit]], and a [[Lander (spacecraft)|lander]] designed to study ...

| names_list = Mars Surveyor '98<!--list of previous names if the spacecraft has been renamed. <!--image of the spacecraft/mission--> ...

...y believed to be an [[Annulus (mathematics)|annulus]] with an outer radius of about 10 [[kiloparsec]]s and an inner radius close to the [[Galactic Center ...ing the Spiral Waves: Implications of Stellar Migration for the Properties of Galactic Disks|doi= 10.1086/592231|date= 2008|journal= The Astrophysical Jo ...

...ere]] of [[Earth]] (~31&nbsp;km above sea level) and monitored the ability of the microorganisms to survive in extreme Martian-like conditions such as lo A test flight of the balloon and gondola was launched from New Mexico on 24 August 2014. A s ...