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Home / Science / Will NASA know aliens when they face them? Will NASA know aliens when they face them?

Will NASA know aliens when they face them? Will NASA know aliens when they face them?



We would probably recognize life the way we know it, how many light-years it is, but what about life as we do not know?

The Nexus of NASA for Exoplanet Systems Science (NexSS) brings together Leading astronomers, biologists and geologists are not just looking for extraterrestrials, but defining how a planet full of life could look both physical and chemical – even if it was not Earth looks similar.

Exoplanets, which are rocky and temperate like ours, are scattered all over the Milky Way. There may be some who all seem to have the right biosignatures but are hostile to life. There may be some that may seem barren and hostile until we realize that there is a hidden life on them that follows another and much more unexpected set of rules that does not necessarily include breathing oxygen or photosynthesis of certain wavelengths of light.

What does a living planet look like? "Asked NASA astrobiologist and microbiologist Mary Parenteau, who has recently authored five articles on the subject," We must be open to the possibility that life can arise in many contexts in a galaxy with so many different worlds ̵

1; perhaps purple For example, life instead of the known green dominated life forms on Earth. That's why we think about a wide range of biosignatures.

Green indicates life on Earth Could it mean death on other planets?

Parenteau and his colleagues made an inventory of the biosignatures and tried to figure out how they should be interpreted when viewed on alien worlds They also examine what instruments would be optimal for discovering all that life could be, for the emerging cosmic question is how to distinguish a living planet or moon.

Titanium lakes of methane and ethane can be toxic to us but there has been much speculation that some kind of life could be swimming in these alien waters.

Telescopes must ascend and go to zero, if we at least try to find an answer Observatories like the Giant Magellan Telescope, the Extremely Large Telescope and NASA's James Webb Space Telescope – if there is no further delay – d Analyze the atmospheric composition of some of these rocky planets. Since we will not be walking around on any of these planets soon, we have to rely on the ability of a telescope to observe the light, which reflects from them what types of gases swirl in their atmospheres.

"We will not have" yes "or" no "when it comes to finding life elsewhere," said NASA astrobiologist Shawn Domagal-Goldman. "What we will have is a high degree of confidence that a planet will come alive for reasons that can only be explained by the existence of life."

Meaning what qualifies as life elsewhere in the vastness of space, something could even be science fiction movies have never dreamed.

(via NASA)


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