Mapping the world's opinions

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Do Aliens Exist?

It's a question humanity has pondered for centuries. Does life exist in outer space? Are aliens real?
Philosophy , Science , Technology

Yes: Life Does Exist Outside of Earth

Some people believe that there is some form of life located on other planets

Natural Panspermia

The belief that life is able to naturally spread throughout the Solar System and Galaxy Explore

Accidental Artificial Panspermia

The belief that humanity has accidentally contaminated other planets with life by sending rovers and landers to their surface that were not sufficiently decontaminated Explore

Independent Development of Simple Life

This is the belief that life is likely to have developed elsehwere in the usiverse completely independntly of other life Explore

Independent Development of Intelligent Life

Similar to the argument of the development of Simple life, but with the added step of the life becoming complex and potentially intellignet Explore

They have visited us already.

Millions of people believe that aliens exist and have visited the Earth in flying saucers. Some believe that many of the ancient civilisations were taught or assisted by aliens Explore

No: Life doesn't exist elsewhere in the Universe

People holding the belief that life does not exist elsewhere in the universe.

No simple life exists outside of Earth

Aside from Earth, no other life exists in any other regions of the Universe Explore

No other complex/intelligent life has ever or will ever exist in the Universe

Not only does life currently not exist elsewhere in the Universe, it has never existed and will likely never exist in the obervable universe Explore

Probably yes, but we don’t yet have proof of life beyond Earth

People taking this view consider that in a Universe where there are enormous numbers of worlds like ours it is likely that life has arisen many times. But until we have evidence we don’t know for sure

Several exoplanets have been discovered that might harbour life

The so-called exoplanets are planet found outside our Solar System. Some might be candidate for a life Explore

Drake equation shows a high probability of other civilisation

Detection or contact with an alien life form is mot possible

The question might be irrelevant since there a no means to identify presence of alien life

SETI project have not yielded any results for many years

The Search for Extra-Terrestrial Intelligence has been operating for long without giving any evidence Explore

Technical means does not allow detection of alien life

Our current technology does not allow detection of an alien life. Explore
This page was last edited on Sunday, 23 Feb 2020 at 16:46 UTC