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...stronauts Stay In Orbit - Tele-operating Sterile Rovers - To Protect Earth And Mars From Colliding Biospheres?] using [https://foliovision.com/seo-tools/p ...e optimistic projections of Elon Musk, some NASA enthusiasts, and Bill Nye and others are fulfilled, then this encounter may happen as soon as the 2030s, ...

...of the quotations to make clear that it is the point of view of the author and not of wikipedia. In this I am following the wikipedia guideline in [[Wikip ...als for a [[Mars sample return mission]] (MSR) to bring back to Earth rock and dust samples from Mars to study. It is currently unknown whether or not [[L ...

{{Use dmy dates|date= March 2015}}<!-- publication dates use dmy but archive and access dates use ymd as allowed by MOSDATE --> ...n Earth#Water in the development of Earth|formed 4.41 billion years ago]], and not long after the [[Age of the Earth|formation of the Earth]] 4.54 billion ...

| death_date = {{Death date and age|1996|12|20|1934|11|9}} * [[B612 Foundation#Clark Chapman.2C co-founder and Board Member|Clark Chapman]]{{citation needed|date=May 2018}} ...

...nation of [[astrophysics|astrophysical]] and [[geology|geological]] events and circumstances. ...a geologist and paleontologist, and [[Donald E. Brownlee]], an astronomer and astrobiologist, both faculty members at the [[University of Washington]]. ...

...m.nasa.gov/docs/PPCCTECHREPORT3.pdf Assessment of Planetaryabou Protection and Contamination Control Technologies for Future Planetary Science Missions], ...Rummel 1989'>{{cite journal | title = Planetary protection policy overview and application to future missions | journal = Advances in Space Research | dat ...

*'''''Forward contamination''''' is the transfer of life and other forms of contamination from Earth to another celestial body. ...iosphere]]. It also covers infection of humans and human habitats in space and on other celestial bodies by extraterrestrial organisms, if such habitats e ...

...onsiders the question of whether [[extraterrestrial life]] exists, and how humans can detect it if it does.<ref name="about">{{cite web| url=http://astrobiol ...elf with interpretation of existing [[Scientific method|scientific data]], and although speculation is entertained to give context, astrobiology concerns ...

...and sample containment|MSR facility]] - [[Mars Sample Return Legal Issues and International Public Debate| Legal Issues]] - [[Discussion of science value ...als for a [[Mars sample return mission]] (MSR) to bring back to Earth rock and dust samples from Mars to study. It is currently unknown whether or not [[L ...

...4R|url= http://www.lpi.usra.edu/meetings/abscicon2010/pdf/5224.pdf}}</ref> and also by [[spacecraft]] carrying unintended [[forward-contamination|contamin .../alpha.sinp.msu.ru/~panov/LibBooks/LIFE/10972__legalreads.com.pdf ''Comets and the Origin of Life'']. World Scientific, Singapore. ch. 6 pp. 137–154. {{IS ...

...n "extraterrestrial" or "alien"), is [[life]] that occurs outside of Earth and that probably did not originate from [[Earth]]. These [[hypothesis|hypothet ...w York Times]] |accessdate=6 January 2015}}</ref> to radios used to detect and send communication signals. ...

...ed 2000 |date=September 2004 |work=NASA History Division, Office of Policy and Plans |publisher=[[NASA]] |location=Washington, D.C. |isbn=0-16-050631-X |l ...xtra [[Apollo (spacecraft)|Apollo spacecraft]] were used in the [[Skylab]] and [[Apollo–Soyuz Test Project|Apollo–Soyuz]] programs. ...

...habitability may help to reveal the frequency of [[extraterrestrial life]] and intelligence. ...al energy distribution]]s shifted to the [[infrared]] relative to the Sun, and small circumstellar habitable zones due to low light output, further reduce ...

...de]]. He has written numerous popular science works for a general audience and is also an adviser to the Microbes Mind Forum.<ref>{{cite web|url=http://mi == Life and work == ...

...search on small plants, small invertebrates, microorganisms, animal cells, and tissue cultures. It includes an incubator equipped with centrifuges in whic ...f>[http://www.esa.int/esaHS/ESA8EG0VMOC_iss_0.html ESA - Human Spaceflight and Exploration - International Space Station - Biolab<!-- Bot generated title ...