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Extraterrestrial life, or alien life (colloquially, alien), ... the background temperature was between 373 and 273 K (100 and 0 °C; 212 and 32 °F), ...
Alien is a science fiction horror and action media franchise centered on the original film series which depicts warrant officer Ellen Ripley (Sigourney Weaver) and her battles with an extraterrestrial lifeform, commonly referred to as the Alien ("Xenomorph"), and the prequel series following the exploits of the David 8 android (Michael Fassbender) and the aliens referred to as the "Engineers".
Grey-skinned (sometimes green-skinned) humanoids, usually 1 m (3.3 ft) tall, hairless, with large heads, black almond-shaped eyes, nostrils without a nose, slits for mouths, no ears and 3–4 fingers including thumb. Greys have been the predominant extraterrestrial beings of alleged alien contact since the 1960s. [5] Hopkinsville goblin [6] [7] [8]
A lack of data does not mean aliens are the likely answer". [ 49 ] [ 41 ] [ 42 ] [ 3 ] Writing in The New York Times , author and astrophysicist Adam Frank stated that with respect to claims of "evidence of extraterrestrial technology that can defy the laws of physics", the pilot's reports and cockpit instrumentation videos "doesn't amount to ...
The dark forest hypothesis is distinct from the Berserker hypothesis in that under the former, many alien civilizations could still exist provided they keep silent. The former can be viewed as a special case of the latter, if the deadly probes are (e.g. due to resource scarcity) only sent to star systems that show signs of intelligent life. [8]
The developers created extensive background lore for the universe of Mass Effect and its alien species, with detailed explanations documenting the complex relationships between the universe's various factions and the setting's phenomena from a scientific perspective. The developers were inspired and influenced by numerous fantasy and science ...
Aliens follows Ripley as she helps a group of marines fight off extraterrestrials. Despite conflicts with cast and crew during production, and having to replace one of the lead actors — James Remar with Michael Biehn — Aliens was a box office success, generating over $130 million worldwide. [27]
Grey aliens were conceived as a result of the Barney and Betty Hill incident. The Barney and Betty Hill incident took place in 1961 when the couple claimed that they were abducted by aliens and subjected to invasive experiments. It was the first recorded claim of an alien abduction, soon followed by others. The description of the aliens made by ...