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As another World UFO Day arrives, many will welcome the opportunity to reflect on advanced extraterrestrial life forms projecting through the universe into weird spaceships.
While the existence of UFOs is not a conventional subject of scientific research, no shortage of scientists in search of extraterrestrial life.
In recent months, exciting announcements have emerged from the world's largest space agencies that have provided some of the most enticing clues yet that extraterrestrial life can hide in our own solar system.
Data collected by NASA's Curiosity rover allowed scientists to identify traces of ancient organic matter on the surface of Mars. These "ingredients for life" suggest that the red planet has not always been as dead as it is today.
Meanwhile, the Encelade and Europa moons have been identified as potential targets in the search for extraterrestrial life due to deep oceans.
Scientists recently announced that they had been "washed away" by the discovery of large organic molecules on Enceladus, which revolves around the gaseous giant Saturn.
The discovery suggests that to our knowledge this distant moon is the only body outside the Earth to "simultaneously satisfy all the basic requirements of life as we know it"
The most beautiful images of NASA Space
1/30 ISS Earth
The International Space Station, Expedition 42 Flight Engineer Terry W. Virts took this picture of the Gulf of Mexico and the American Coast of the Gulf at Sunset
Nasa
2/30 The Frosted Slopes of Mars
Area on the Surfa This last of March, of about 1 , 5 to 3 kilometers, shows frosted ravines on a south-facing slope inside a crater. The picture was taken by NASA's HiRISE camera, which is mounted on its Mars Reconstruction Orbiter
Nasa
3/30 Orion Capsule Splashes
The Capsule Orion sails into space before leaving a few hours later – having proved that it can be used, one day, to transport humans to Mars
Nasa
4 / 30 The launch of the Soyuz TMA-15M rocket
The Soyuz TMA-15M rocket launches the Baikonur Cosmodrome in Kazakhstan on Monday, November 24, 2014, carrying three new astronauts to the International Space Station. He also took caviar, ready for the inhabitants of the satellite to celebrate the holidays
Nasa
5/30 Yellowstone Space
NASA astronaut Reid Wiseman shared this image of Yellowstone
Nasa
6/30 Black Hole Friday
NASA celebrated Black Friday by looking in space instead – sharing images of holes
Nasa
7/30 NuSTAR
X-rays Take a look at the sun on this image showing the observations of NASA's nuclear spectroscopic telescope network, or NuSTAR, superimposed to an image taken by the observatory of the solar dynamics of NASA
Nasa
8/30 Saturn
This near-infrared color image shows a specular reflection, or the sun, of d & # 39; 39; a hydrocarbon lake named Kivu Lacus on the moon of Saturn Titan
Nasa
9/30 Worlds Apart
Although Mimas and Pandora, shown here, both in Saturn orbit, are very different moons. Pandora, "small" by the standards of the moon (50 miles or 81 kilometers in diameter) is elongated and irregularly shaped. Mimas (246 miles or 396 kilometers in diameter), a moon of "average size", formed into a sphere due to the self-gravity imposed by its superior mass
Nasa
10/30 Solar flare
A solar flare of class X1.6 flashes in the middle of the sun in this image taken on September 10, captured by NASA's Solar Dynamics Observatory
Nasa
11/30 Solar Flare
An image of NASA's Solar Dynamics Observatory (SDO) shows a long solar filament of 200,000 miles tearing the Sun's corona in September 2013
Nasa
12/30 ] Cassiopeia A c
A fake color image of Cassiopeia A including data from the Spitzer and Hubble space telescopes and the Chandra X-Ray observatory
Nasa
13/30 Great galaxy of Magellan clouds
Image of the great galaxy of Magellan clouds seen e in infrared by the Herschel space observatory. Regions of space like this are the place where new stars are born from a mixture of elements and cosmic dust
Nasa
14/30 Mars Rover Spirit
The Nasa Mars Rover Spirit takes the first picture of the Spirit since problems with communications began a week earlier. The picture shows the robotic arm extended to the rock called Adirondack
Nasa
15/30 Morning Dawn From Space Station
NASA astronaut Scott Kelly captured this photograph of the green lights of the aurora of the International Space Station
16/30 Launch of history – Mission STS-41G in 1984
Launch of the Space Shuttle Challenger from Florida to l & # 39; dawn. During this mission, Kathryn Sullivan became the first American woman to make an outing in space and Marc Garneau became the first Canadian in space. The seven-person crew was the biggest to fly on a spacecraft at that time, and STS-41G was the first flight to include two female astronauts
17/30 A new perspective on a cluster extraordinary galaxies
Clusters of galaxies are often described by superlatives. After all, they are huge conglomerates of galaxies, hot gases and dark matter that represent the largest structures in the Universe maintained by gravity
18/30 Nebula Veil Supernova Remnant
NASA's Hubble Space Telescope unveiled in amazing detail a small section of the Veil Nebula – the expanding remains of a massive star that exploded about 8,000 years ago
19/30 Hubble sees a galactic sunflower
The arrangement of the spiral arms in the Messier galaxy 63, seen here in an image of the Nasa Hubble space telescope, recalls the motif in the center of a sunflower
20 / 30 A Hubble Cosmic Couple
The spectacular cosmic couple of star Hen 2-427 – more commonly known as WR 124 – and the nebula M1-67 that surrounds it
21 / 30 Pluto image
Four images of the recognition imager New Horizons' Long Range Scope (LORRI) was combined with Ralph's instrument color data to create fresh crater near Sirenum Fossae region of Mars
The HiRISE camera aboard Mars Reconnaissance Orbiter of the NASA has acquired this enlarged image of a "fresh" (at the geological scale, although old enough at the human scale) impact crater in the Sirenum Fossae area Of March. This impact crater appears relatively new because it has a sharp rim and well-preserved ejecta
23/30 Earth Observations of Gemini IV in 1965
This photo of the Strait of Florida and Grand Bahama Bank was taken during Gemini IV mission during orbit no. The Gemini IV team conducted scientific experiments, including photographs of the weather and terrain of the Earth, for the remainder of its four-day mission following Ed White's historic space walk on June 3 [19659069] 24/30 NASA celebrates 50 years of Spacewalking
For 50 years, NASA has "prepared" for the release into space. In this 1984 photograph of the first spacewalk, NASA astronaut Bruce McCandless is doing his first field trial of a powered backpack device at the Nitrogen called Military Maneuvering Unit (MMU)
Peers in the most crowded place of the Milky Way
This image of NASA's Hubble Space Telescope presents the cluster of arches , the densest cluster of stars in the Milky Way
26/30 NASA astronaut Reid Wiseman tweeted this photo of the International Space Station on September 2, 2014
27/30 Earth Geography on Mars
On Mars, we can observe four classes of sandy reliefs formed by wind, or aeolian bedforms: undulations, transverse aeolian ridges, dunes, and what we calls "draa"
28/30 Expedition 39 Landing
A Sok costume helmet ol can be seen against the window of the Soyuz TMA-11M capsule shortly after the spacecraft landed with Ex Commander Koichi Wakata of the Japan Aerospace Exploration Agency (JAXA), the commander of Soyuz Mikhail Tyurin of Roscosmos and flight engineer Rick Mastracchio of NASA near Zhezkazgan city in Kazakhstan
29/30 The big red spot of Jupiter by Voyager I
30 / 30 The Chandra Observatory sees a heart in the darkness
1/30 ISS Earth
From the International Space Station, Terry W. Virts, Flight Engineer of Expedition 42 took this photograph of the Gulf of Mexico and the American coast of the Gulf at sunset
Nasa
2/30 Frosted Slopes of Mars
This image of 39 an area on the surface of Mars, about 1.5 by 3 kilometers in size, shows frosted ravines on a slope o drove south into a crater. The image was taken by NASA's HiRISE camera, which climbed into its Reconstruction Orbit of Mars
Nasa
3/30 Orion Capsule Splashes
The Capsule Orion flew into space before leaving a few hours later – having proved that it can be used, one day, to transport humans to Mars
Nasa
4 / 30 The launch of the Soyuz TMA-15M rocket
The Soyuz TMA-15M rocket launches the Baikonur Cosmodrome in Kazakhstan on Monday, November 24, 2014, carrying three new astronauts to the International Space Station. He also took caviar, ready for the inhabitants of the satellite to celebrate the holidays
Nasa
5/30 Yellowstone from Space
The NASA astronaut Reid Wiseman shared this Yellowstone picture via his / her Twitter account
6/30 Black Hole Friday
NASA celebrated Black Friday by looking in space instead – sharing images of black holes
Nasa [19659097] 7/30 NuSTAR
X-rays drift from the sun on this image showing observations of NASA's spectroscopic nuclear telescope network, or NuSTAR, superimposed on an image taken by the observatory of solar dynamics of NASA
Nasa
8/30 Saturn
This near-infrared color image shows a specular reflection, or sun, of a hydrocarbon lake named Kivu Lacus on the moon of Saturn Titan
Nasa
9/30 Worlds Apart
Although Mimas and Pandora, shown here, both in Saturn orbit, they are very different moons. Pandora, "small" by the standards of the moon (50 miles or 81 kilometers in diameter) is elongated and irregularly shaped. Mimas (246 miles or 396 kilometers in diameter), a moon of "average size", formed into a sphere due to the self-gravity imposed by its superior mass
Nasa
10/30 ] Solar flare
A solar flare of class X1.6 flashes in the middle of the sun in this image taken on September 10, captured by NASA's Solar Dynamics Observatory
Nasa
11/30 Solar Flare
An image of NASA's Solar Dynamics Observatory (SDO) shows a long solar filament of 200,000 miles tearing the Sun's corona in September 2013
Nasa
12/30 ] Cassiopeia A c
A false-color image of Cassiopeia A including data from the Spitzer and Hubble space telescopes and the Chandra X-Ray observatory
Nasa
13/30 Great galaxy clouds of Magellan
An image of the great galaxy of clouds Magell an infrared view by the Herschel space observatory. The regions of space like this are those where new stars are born from a mixture of cosmic elements and dust
Nasa
14/30 Mars Rover Spirit
The Nasa Mars Rover Spirit takes the first picture of the Spirit since problems with communications began a week earlier. The picture shows the robotic arm extended to the rock called Adirondack
Nasa
15/30 Morning Dawn From Space Station
NASA astronaut Scott Kelly captured this photograph of the green lights of the aurora of the International Space Station
16/30 Launch of history – Realization of the STS-41G mission in 1984
Launch of the Space Shuttle Challenger since Florida at dawn. During this mission, Kathryn Sullivan became the first American woman to make an outing in space and Marc Garneau became the first Canadian in space. The seven-person crew was the biggest to fly on a spacecraft at that time, and STS-41G was the first flight to include two female astronauts
17/30 A new perspective on a cluster extraordinary galaxies
Clusters of galaxies are often described by superlatives. After all, they are gigantic conglomerates of galaxies, hot gases and dark matter that represent the largest structures in the Universe maintained by gravity
18/30 Veil Nebula Supernova Remnant
NASA's Hubble Space Telescope unveiled in amazing detail a small section of the nebula of the veil – the expanding remains of a massive star that exploded about 8,000 years ago
19/30 Hubble sees a galactic sunflower
The arrangement of the spiral arms in the Messier galaxy 63, seen here in an image of the Nasa Hubble Space Telescope, recalls the model in the center of a sunflower
20 / 30 A cosmic couple from Hubble
The spectacular cosmic couple of the star Hen 2-427 – more commonly referred to as WR 124 – and the nebula M1-67 that surrounds it
21 / 30 Pluto image
Four images of the imager long-range reconnaissance (LORRI) of New Horizons were combined with color data from the instrument Ralph to create fresh crater near Sirenum Fossae region of Mars
The camera HiRISE aboard Mars Reconnaissance Orbiter of the NASA has acquired this enlarged image of a "fresh" (at the geological scale, although quite old to the human scale) impact crater in the Sirenum Fossae area Of March. This impact crater appears relatively new because it has a sharp rim and well-preserved ejecta
23/30 Earth Observations of Gemini IV in 1965
This photograph of the Strait of Florida and Grand Bahama Bank was taken during Gemini IV mission during orbit no. In 1964, the Gemini IV crew conducted scientific experiments, including photographs of land time and terrain, for the remainder of their four-day mission following Ed White's historic space walk on June 3
24/30 NASA celebrates 50 years of Spacewalking
For 50 years, NASA has "prepared" for the release into space. In this 1984 photograph of the first spacewalk, NASA astronaut Bruce McCandless is doing his first field test of a powered backpack device. to the nitrogen called Manu Manuvering Unit
25/30 Hubble Peers in the most crowded place of the Milky Way
This image of NASA's Hubble Space Telescope presents the cluster of 39; arches, the densest cluster of stars in the Milky Way
26/30 NASA astronaut Reid Wiseman tweeted this photo from the International Space Station on September 2, 2014 [19659143] 27/30 Terrestrial Geography on Mars
On Mars, one can observe four classes of sandy reliefs formed by the wind, or aeolian bedforms: undulations, transverse aeolian ridges, dunes, and what we see. it is called "draa"
28/30 Expedition 39 Landing
A costu helmet Sokol's me can be seen against the window of the Soyuz TMA-11M capsule shortly after the spacecraft landed with Ex Commander Koichi Wakata of the Japan Aerospace Exploration Agency (JAXA), the commander Soyuz Mikhail Tyurin of Roscosmos and flight engineer Rick Mastracchio of NASA near the city of Zhezkazgan (Kazakhstan)
29/30 The great red spot of Jupiter by Voyager I
30/30 The Chandra Observatory sees a heart in the darkness
However, the life discussed is far from the construction and operation of his own spaceship.
Extraterrestrials in movies and literature are often portrayed as grand, malicious and much more technologically advanced than humanity.
The late, great Stephen Hawking was known to make statements about these kinds of extraterrestrials, repeatedly warning about the dangers of meeting such cosmic travelers.
He even compared the encounter between humans and aliens at the meeting of the natives. The Americans and Christopher Columbus, who in his words "did not behave very well".
A team from the University of Oxford applied evolutionary theory to "make independent predictions of the details of the Earth". to look like us.
In practice, however, experts believe that the most likely extraterrestrial life forms we will encounter are extraterrestrial microbes.
For the 2.9 billion years on 3.5 billion years that life has existed on Earth, it was tiny unicellular creatures. Modern humans have only existed for 300,000 years.
This means that the probability of finding a planet that not only supports life but houses a complex life as we are incredibly thin
Astrobiology is the name given to the branch of science that deals with hypothetical origins and the Evolution of life beyond the planet Earth. Many of his followers tend to focus on the bacteria that inhabit the most extreme environments on the planet – reasoning that the coldest, warmest, or most acidic regions are reasonable approximations of the conditions observed on planets and planet. distant moons. relatively close to Earth, scientists are using their knowledge of life on Earth to guide their search for aliens.
Missions such as the upcoming launch of ExoMars and Potential future exploration of Enceladus could build on the results of the past few months, and perhaps even the first concrete evidence of extraterrestrial life.
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