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EXO LIFE
NASA has some advice for how you can find aliens
by Thor Benson
Washington DC (UPI) Sep 13, 2014


disclaimer: image is for illustration purposes only

NASA believes it has figured out the best ways to identify alien life.

The agency has published new work in the Astrophysical Journal this week explaining its methods for searching for life on other planets.

By looking at what molecules one could identify on a far away planet and examining if their presence indicated life and most likely couldn't exist without it, it came up with some tips for would-be alien finders.

First of all, NASA claims oxygen, ozone and methane do not prove life by themselves. Together they may indicate life, but any one of them could be produced on their own without life present. The researchers believe an environment with oxygen and methane together would likely have life, because oxygen and methane tend to get rid of each other in atmospheres where they're not being continually reintroduced by living organisms. They also found that the range of ultraviolet light coming from starts nearby a planet can affect the ability of life to prosper. Read the original piece for more ideas.

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EXO LIFE
NASA Research Gives Guideline for Future Alien Life Search
Greenbelt MD (SPX) Sep 12, 2014
Astronomers searching the atmospheres of alien worlds for gases that might be produced by life can't rely on the detection of just one type, such as oxygen, ozone, or methane, because in some cases these gases can be produced non-biologically, according to extensive simulations by researchers in the NASA Astrobiology Institute's Virtual Planetary Laboratory. The researchers carefully simul ... read more


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