-
astronomy Extraterrestrial life, or
alien life (colloquially, aliens), is life that
originates from
another world rather than on Earth. No
extraterrestrial life...
- Look up
extraterrestrial, extra-, terrestrial, or
extra in Wiktionary, the free dictionary.
Extraterrestrial may
refer to:
Extraterrestrial life, life...
-
Extraterrestrial intelligence (ETI)
refers to
hypothetical intelligent extraterrestrial life. No such life has ever been
verifiably observed to exist...
- The
search for
extraterrestrial intelligence (usually
shortened as SETI) is an
expression that
refers to the
diverse efforts and
scientific projects intended...
- The
cultural impact of
extraterrestrial contact is the
corpus of
changes to
terrestrial science, technology, religion, politics, and
ecosystems resulting...
- An
extraterrestrial or
alien is a
lifeform that did not
originate on Earth. The word
extraterrestrial means 'outside Earth'.
Extraterrestrials are a common...
- astronomy, an
extraterrestrial sky is a view of
outer space from the
surface of an
astronomical body
other than Earth. The only
extraterrestrial sky that has...
-
Ashtar (sometimes
called Ashtar Sheran) is the name
given to an
extraterrestrial being or
group of
beings that a
number of
people claim to have channeled...
- The
extraterrestrial hypothesis (ETH)
proposes that some
unidentified flying objects (UFOs) are best
explained as
being physical spacecraft occupied by...
-
probabilistic argument used to
estimate the
number of active,
communicative extraterrestrial civilizations in the
Milky Way Galaxy. The
equation was formulated...
