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Manatees (/ ˈ m æ n ə t iː z /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West ...
Human presence in outer space began with the first launches of artificial object in the mid 20th century, and has increased to the point where Earth is orbited by a vast number of artificial objects and the far reaches of the Solar System have been visited and explored by a range of space probes.
Manatees are herbivores, have developed vocal communication abilities, and are covered in highly sensitive whiskers (called vibrissae) that are used for feeding and navigation. [10] In breeding season, several males form mating herds around an individual female; on average, one calf is born to a female manatee every two to three years. [11]
Such life might range from simple forms such as prokaryotes to intelligent beings, possibly bringing forth civilizations that might be far more, or far less, advanced than humans. [ 1 ] [ 2 ] [ 3 ] The Drake equation speculates about the existence of sapient life elsewhere in the universe.
The first space rendezvous was accomplished by Gemini 6A and Gemini 7 in 1965. Records and firsts in spaceflight are broadly divided into crewed and uncrewed categories. Records involving animal spaceflight have also been noted in earlier experimental flights, typically to establish the feasibility of sending humans to outer space.
People living billions of miles from Earth will start feeling like their own people group. It won't look like the galaxy in Star Wars, or other sci-fi universes full of human-like alien races.
Little People – various fairy/elf-like beings believed in across North America. Some are a couple inches tall and look like humans, some a couple feet and are hairy or look ugly, some take the form of human children. Different types can be mischievous, evil or beneficial. Mesingw – (Algonquian) Lenape name for the spirit of the forests.
In the 19th century, many books and articles speculated about the possible inhabitants of other planets. Many people believed that intelligent beings might live on the Moon, Mars, and/or Venus. [6] Since travel to other planets was not possible at the time, some people suggested ways to signal extraterrestrials even before radio was discovered.