What could be a sgin of life that we hope to find?

Question

Same thing i need this for a project that is soon thanks

Answer 1

Close to home, we've sent instruments to Mars to look for signs of life. In this case, a good indication that life is present is to search for signs of small gaseous emissions generated by the processing of whatever food a life form takes in and processes. In other words, the instruments look for farts! No kidding. So far, no definite evidence of such emissions have been found.

Much farther from home, a number of research organizations scan the sky with radio telescopes. Our galaxy is alive with all kinds of radio signals, but they're mostly just random emissions from stars and other celestial objects. The radio telescopes are looking for a series of radio signals that could have only been generated by intelligent life.

Answer 2

There are lots of evidence of extra terrestrial life but they are mostly dismissed as fabricated, a hoax or just imagination. The only thing that would convince skeptics is if someone could present them an actual space craft or better yet an actual alien.

Answer 3

To look for life, rather than specifically intelligence, we would usually look for chemicals inexplicable through the normal chemistry of that planet's geology and atmosphere. That's the idea we used on Mars, at least.

Answer 4

That's reaction and reflexes to surrounding for survival.

Answer 5

fossilized remains, ruined habitats, fossilized tracks