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New Planets in the Universe Documentary - Exoplanet Exploration: Planets Beyond our Solar System

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Exoplanets: Worlds Beyond Our Solar System - Search for Life On New Planets Documentary

Exoplanets are planets beyond our own solar system. Thousands have been discovered in the past two decades, mostly with NASA's Kepler Space Telescope.

These worlds come in a huge variety of sizes and orbits. Some are gigantic planets hugging close to their parent stars; others are icy, some rocky. NASA and other agencies are looking for a special kind of planet: one that's the same size as Earth, orbiting a sun-like star in the habitable zone.

The habitable zone is the range of distances from a star where a planet's temperature allows liquid water oceans, critical for life on Earth. The earliest definition of the zone was based on simple thermal equilibrium, but current calculations of the habitable zone include many other factors, including the greenhouse effect of a planet's atmosphere. This makes the boundaries of a habitable zone fuzzy.

Astronomers announced in August 2016 that they might have found such a planet orbiting Proxima Centauri. The newfound world, known as Proxima b, is about 1.3 times more massive than Earth, which suggests that the exoplanet is a rocky world, researchers said. The planet is also in the star's habitable zone, just 4.7 million miles (7.5 million kilometers) from its host star. It completes one orbit every 11.2 Earth-days. As a result, it's likely that the exoplanet is tidally locked, meaning it always shows the same face to its host star, just as the moon shows only one face (the near side) to Earth.

Search for Life On New Planets Documentary - Finding Other Habitable Planets in the Universe

After nine years of operation, NASA's Kepler spacecraft will be retired, but not without making an indelible imprint on humankind's understanding of the universe. Perhaps its greatest legacy is the knowledge that planets outnumber stars in the galaxy. With over 2,500 planet discoveries and another 2,000 awaiting confirmation, Kepler revealed a staggering diversity of worlds turning sci-fi fantasy into scientific reality.
It also changed our collective perspective regarding the feasibility of finding evidence of life beyond Earth and catalysed efforts across the globe to reach that goal.
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The Quest to Discover Life Beyond Earth Documentary - Explore Planet in Solar System and Beyond

It wasn’t long ago when astronomers who wanted to search for planets outside our solar system were considered daft. A couple of brave scientists began the search, found what they were looking for, and started a whole new area in astronomy. Hundreds of exoplanets have been identified and those who invest their careers in this search are no longer ridiculed. The search has led to a very respectable and fast-growing new field: astrobiology (sometimes called exobiology).

So what do astrobiologists expect to find and how do they build their models of alien life?

As far as we know, the fundamental ingredients for life are hydrogen, oxygen, nitrogen and carbon, the most common elements in the known universe. Earth life is composed principally of these four, plus sulphur and phosphorus and traces of other elements, for a total of some 26 elements. It is amazing to realize that such a small number of basic ingredients can give rise to such diversity as we find. The other essential for life seems to be water. On Earth, life exists in all climates and conditions where there is water, and in the very few areas where there is absolutely no water there is absolutely no life. Water is abundant in the universe, although more in the form of ice than liquid.

Alien Planets Discovery Documentary - Are There Other Earths?

Since the launch of NASA’s Kepler space telescope in 2009, scientists have uncovered thousands of distant exoplanets in the deep depths of space.

Scientists in California and Australia are now hoping to expand upon Kepler’s work with 121 planets potentially hosting life-supporting moons.

The key to finding a habitable exoplanet or moon is to find the stellar bodies within the so-called Goldilocks zone.

These are the ideal hotspots within a solar system where a planet’s atmospherics are neither too hot nor too cold for liquid water to exist.
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NASA Has Just Discovered a New Planet!

If you've always been interested in outer space, here's news for you: astronomers have recently found a potentially habitable planet! It's called Barnard’s Star B. It has slightly more than 24 hours in a day, and it’s always sunny there no matter what. Actually, it's really cold there, but simple lifeforms can develop and survive in these conditions!

Other videos you might like:
10 Facts About Our Planet You Didn't Learn In School
The Solar System Is Not Like You Think It Is
10 Wonderful Facts About Earth You've Never Heard Before


TIMESTAMPS:

What this planet’s sun like 0:30

Wobbles = planet? 3:18

What does it mean to be super-earth class planet? 5:07

No dawn at all 6:09

Seas of liquid methane 6:55

And another potential candidate (which is right in our neighborhood) 7:52

Music by Epidemic Sound

SUMMARY:
- Look up high into the dark sky, and you’ll see a little murky-looking circle. No, that’s not Barnard’s moon – it’s the planet’s sun. Now look down. Deep under your feet lie countless rivers, lakes, and seas of liquid methane.
- Barnard’s sun is only located 6 light-years away from us, and it’s the 4th closest star to our solar system. Try to imagine our sun 5 times smaller and much less bright.
- Though Edward Emerson Barnard wasn’t the first to discover this star, he proved in 1916 that it’s the fastest star known to us.
- Barnard’s Star is what astronomers call a red dwarf – a small, dim, and truly ancient star that’s getting pretty close to the end of its life cycle.
- The first person to assume there was a planet somewhere near this star was astronomer Peter van de Kamp. Back in the 60s, he observed “wobbles” in the star’s movement.
- Astronomers took lots of measurements with the most advanced astronomical equipment you could imagine, and they came out with 99% certainty that the planet Barnard’s Star B exists.
- “Super-earth” is just the term astronomers use to describe only the size of a planet that’s larger than Earth but considerably smaller than ice giants like Neptune.
- This planet is a huge ball of rock and ice that lies beyond the habitable zone of its star. Even though it’s closer to Barnard’s Star than our Earth is to the Sun, its star provides only 3% of the light that our Sun does.
- According to a 2015 study at Cornell University, chances are that simple methane-based lifeforms can develop and survive in these conditions.
- The existence of such lifeforms is pure theory. So the idea that this newly found Barnard’s Star B planet is habitable for us humans is really far-fetched for now.

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Explore Planet in Solar System and Beyond - The Quest to Discover Life Beyond Earth Documentary

It wasn’t long ago when astronomers who wanted to search for planets outside our solar system were considered daft. A couple of brave scientists began the search, found what they were looking for, and started a whole new area in astronomy. Hundreds of exoplanets have been identified and those who invest their careers in this search are no longer ridiculed. The search has led to a very respectable and fast-growing new field: astrobiology (sometimes called exobiology).

So what do astrobiologists expect to find and how do they build their models of alien life?

As far as we know, the fundamental ingredients for life are hydrogen, oxygen, nitrogen and carbon, the most common elements in the known universe. Earth life is composed principally of these four, plus sulphur and phosphorus and traces of other elements, for a total of some 26 elements. It is amazing to realize that such a small number of basic ingredients can give rise to such diversity as we find. The other essential for life seems to be water. On Earth, life exists in all climates and conditions where there is water, and in the very few areas where there is absolutely no water there is absolutely no life. Water is abundant in the universe, although more in the form of ice than liquid.
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The Science of Exoplanet Discovery - Searching for Alien Life on other Planets

Since the launch of NASA’s Kepler space telescope in 2009, scientists have uncovered thousands of distant exoplanets in the deep depths of space.

Scientists in California and Australia are now hoping to expand upon Kepler’s work with 121 planets potentially hosting life-supporting moons.

The key to finding a habitable exoplanet or moon is to find the stellar bodies within the so-called Goldilocks zone.

These are the ideal hotspots within a solar system where a planet’s atmospherics are neither too hot nor too cold for liquid water to exist.

Can there be Life on other Planets of our Universe? The Discovery of Alien Life Documentary

Since the beginning of civilization, humanity has wondered whether we are alone in the universe. As NASA has explored our solar system and beyond, it has developed increasingly sophisticated tools to address this fundamental question. Within our solar system, NASA’s missions have searched for signs of both ancient and current life, especially on Mars and soon, Jupiter’s moon Europa. Beyond our solar system, missions, such as Kepler and TESS, are revealing thousands of planets orbiting other stars. The explosion of knowledge of planets orbiting other stars, called exoplanets, and the results of decades of research on signatures of life - what scientists call biosignatures - have encouraged NASA to address, in a scientifically rigorous way, whether humanity is alone. Beyond searching for evidence of just microbial life, NASA now is exploring ways to search for life advanced enough to create technology.

The Earth is Not Alone - Space Documentary HD

People began traveling in space in 1961 in tiny spacecraft called capsules, which were launched from Earth by powerful rockets. Russian crews still travel in this kind of craft, in Soyuz capsules, but Americans now travel into space in shuttles, which are rocket-powered space planes.

HOW DO HUMANS SURVIVE IN SPACE?
There is no oxygen in space, so all crewed spacecraft carry a life-support system. This supplies air for people to breathe. The system also includes equipment to keep the air at a comfortable temperature and pressure and to remove carbon dioxide and odors.

HOW DOES SPACE TRAVEL AFFECT PEOPLE?
Gravity in space is much weaker than it is on Earth. When people travel in space, they seem to become weightless. This often makes them feel sick. Their bodies do not have to work as hard, because they are not fighting gravity to sit or stand up. If they stay in space for a long time, the lack of gravity makes their muscles start to waste away. Exercise and a special diet help to combat these effects.

WHAT IS THE FARTHEST ANYONE HAS TRAVELED IN SPACE?
Astronauts on the APOLLO PROJECT traveled to the Moon, about 239,000 miles (385,000 km) away. Russian cosmonaut Valeri Poliakov traveled a distance of about 174 million miles (280 million km) around Earth while in the Mir space station.

APOLLO PROJECT
In the space race of the 1960s, the US Apollo Project beat the Soviet Union by landing the first astronauts on the Moon. The first Moon landing, by Apollo 11, took place on July 20, 1969, when Neil Armstrong and Buzz Aldrin became the first humans to set foot on another world.

WHAT WAS THE APOLLO SPACECRAFT LIKE?
The Apollo spacecraft was launched from Earth by the Saturn V rocket. On the launch pad, the whole assembly stood 365 ft (111 m) tall. The spacecraft itself weighed 50 tons (45 metric tons). It was made from three main modules (sections). The command module for flight control housed the three-person crew. The service module carried equipment, fuel, and a rocket motor. The lunar module detached from the craft and landed two astronauts on the Moon’s surface.

HOW MANY APOLLO LANDINGS WERE THERE?
There were six Moon landings, beginning with Apollo 11 in July 1969 and ending with Apollo 17 in December 1972. During the missions, 12 astronauts explored the lunar surface for a total of over 80 hours and brought back nearly 880 lb (400 kg) of Moon rock and dust for examination on Earth.

#documentary #astronomy #science

ANOTHER EARTH | KEPLER 186F - Full Documentary

If Alien exist where do they live and how do they live?
Scientists say a world that's 490 light-years away qualifies as the first confirmed Earth-sized exoplanet that could sustain life as we know it — but in an environment like nothing we've ever seen.
The planet, known as Kepler-186f, is more of an Earth cousin than an Earth twin, Elisa Quintana, an astronomer at the SETI Institute at NASA Ames Research Center, told the journal Science. Quintana is the lead author of a report on the planet published by Science this week.
This discovery does confirm that Earth-sized planets do exist in the habitable zones of other stars, Quintana said during a Thursday news briefing at NASA Headquarters.
Kepler-186f goes around an M-type dwarf star that's smaller and cooler than our sun. But it orbits much closer to its parent star than Earth does, within what would be Mercury's orbit in our own solar system. Those two factors combine to produce an environment that could allow for liquid water on the surface, assuming that the planet had a heat-trapping atmosphere.

The star, to our eyes, would look slightly orange-y, about a third again as big as our sun but only a third as bright, said co-author Thomas Barclay, a staff scientist for NASA's Kepler mission who is also affiliated with NASA and the Bay Area Environmental Research Institute. At midday, Kepler-186f's landscape might look similar to what we see on Earth an hour before sunset, he told NBC News.
Or it might not: If the planet lacked an atmosphere to retain and redistribute its sun's warmth, it would be a cold, dry, lifeless world.

Kepler-186f probably rates as the most potentially Earthlike planet discovered so far, said Jim Kasting, a geoscientist at Penn State University who did not play a role in the Science study. But he told NBC News that it's still less likely to be habitable than planets around more sunlike stars. Even better prospects for alien habitability might well be identified in the months and years to come.

How the world was found

Kepler-186f is just the latest discovery to be pulled out of terabytes' worth of data collected by the Kepler mission. Before it went on the fritz last year, the Kepler space telescope stared at more than 150,000 stars in a patch of sky, looking for the telltale dimming of starlight as planets passed over the stars' disks. Nearly 1,000 exoplanets have been confirmed using Kepler data, and almost 3,000 more candidates are still awaiting confirmation.

It takes years of observation to confirm the pattern of dimming and brightening that's associated with alien planets, particularly if the planets are small and far from their parent stars. In February, astronomers reported that at least four worlds circled the dwarf star known as Kepler-186 or KOI-571. In this week's Science paper, Quintana and her colleagues confirm the existence of Kepler-186f as the fifth and outermost world.
They report that Kepler-186f is about 10 percent wider than Earth, tracing a 130-day orbit around its sun at a mean distance of 0.35 astronomical units. (An astronomical unit is the distance between Earth and our sun, which is 93 million miles or 150 million kilometers.) That would put Kepler-186f on the cooler, outer side of the star's habitable zone — the range of orbital distances where liquid water could exist on a planet's surface.

Astronomers have confirmed the existence of other planets in their stars' habitable zone, but those prospects are super-Earth-size. Smaller habitable-zone candidates also have been found, but they have yet to be confirmed as planets.

Barclay said Kepler-186f was particularly promising because it's less than 1.5 times the size of Earth. Planets in that size range are more likely to be rocky with a thinner atmosphere, like Earth, Mars and Venus. But worlds exceeding that size stand a better chance of retaining a thick atmosphere of hydrogen and helium, like the giant planet Neptune.

While those planets also could be rocky, they don't remind us of home, Barclay said.
Could we actually detect signs of life on Kepler-186f? That's a tough one. The astronomers behind the discovery acknowledge that the planet might be just too far away for follow-up studies. The SETI Institute has been searching for radio signals from the Kepler-186 system over a wide frequency range (1 to 10 GHz), but so far nothing has been detected.

(Advexon)
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Living Universe | Journey To Another Stars - Documentary 4K

The Earth is Not Alone:
LIVING UNIVERSE is an interstellar adventure that seeks to answer the most profound question of all: are we alone? Based on the latest scientific knowledge, we will take a journey to a planet beyond our solar system in search of life.

We ask the world's leading space scientists what we might find if we travel to a neighboring star system. Recent breakthroughs have proven that every star we see in the sky is orbited by at least one planet, many similar to our own Earth. How do we get to these exoplanets? Once there, what will we find? And what will it mean for humanity when we discover we are not alone?

Our speculative journey through space is set a hundred years in the future - when we have the technology to journey well beyond our solar system. On this first expedition, our star ship Aurora will be piloted not by astronauts, but by the artificial intelligence (A.I.) we call Artemis. We imagine how Artemis travels through space, on its 25-year journey, at one fifth of the speed of light. Its objective is Minerva B, a planet much like our own, with an atmosphere, temperature and liquid water that appears a likely candidate to contain life.

With spectacular special effects we will reach and explore a new planet as we seek to answer the most profound question of all: are we alone in the universe? Our guides on this journey are narrator Dr Karl Kruszelnicki and as the voice of our AI, Artemis, real-life astrophysicist, Professor Tamara Davis.

Inspired and informed by our rapidly developing knowledge of far-off worlds, our best scientists - including NASA engineers, astrophysicists and astronomers - we will discover that this amazing journey is not only possible, it is inevitable. To venture into distant space is our destiny.

LIVING UNIVERSE captures a pivotal moment in the human story. A film full of insight and inspiration certain to thrill anyone who dreams of distant worlds, or have ever wondered why are we here?

Have you ever wondered that someone like you, sitting less than a mile away, in some other universe, exists? The possibility in itself seems frightening as well as astonishing.

From breaking news and intriguing historical documentaries to conspiracy theories, classified NASA files and UFO's. We provide you with material that the government doesn't want you to see. The Insomnia team comes up with a promise. To keep up with the same, the team now brings to us a documentary that aims to change your perspective Of another existence, of another possibility, as today, the scientists now believe there may really be the presence of a parallel universe - and in fact, also believe that there may be an infinite number of parallel universes, and where we live today just happens to be only one of them and many of these other parallel universes come with different laws of physics as well.

These other universes that we are talking about not only contain space, time and strange forms of exotic matter but to surprise you, Some of them may even contain you, only maybe in a slightly different form. The thought itself is quite intriguing and scary on the same hand. The basis of this theory is as we know it the idea that parallel universes are constantly spinning off from reality that we humans know of. Though generally ignored at the time, that theory has gone on to become not just a popular topic of study among respected physicists, but the inspiration for such popular films, television shows, and books as Star Trek and The Golden Compass. according to the sources.

The video soon progresses into the Wilkinson Microwave Anisotropy Probe (WMAP), that is now changing everything, as some say that the remarkable images reveal the true shape of the universe through baby pictures of the same from the time when it was 4 hundred thousand years old, looking so back in time, when there wasn't even the formation of galaxies yet. The WMAP is catching the very first signs of creation as it is officially tagged with measuring radiation that is left over from Big Bang. And now scientists have devised an experiment to find the overall true shape of the universe. The WMAP hence shows that the universe is flat. From here arises the possibility of more mind boggling parallel universe that are of the level-2 type and is made up of giant cosmic soap bubbles that float in hyperspace. Each of these bubbles within it has a whole universe. Now, the question that arises is that - Do we all live in a giant cosmic bubble?

Journey to another stars
finding lives on other planets

Exoplanets - Planets beyond our Solar System

One of the most exciting developments in Astronomy over the last few years has been the discovery of “extra-solar planets” or exoplanets; i.e., planets around other stars in our galaxy. Numerous exoplanets have been discovered through various techniques; they vary from objects much bigger than Jupiter down to Earth-size bodies. A combination of four videos, courtesy of ESA:
1. Hot Jupiters - discovery of large exoplanets;
2. Fomalhaut B;
3. Earth-like planets;
4. Extra galactic exoplanet
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Alien Planets Discovery Documentary - Alien Stom - Space Science

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At the centre of some black holes is 'an area where space and time exists' Colonies of aliens living on planets within black holes may not be as far-fetched as it sounds. Some black holes have a complex internal structure that allows photons, particles and planets to orbit a central singularity, according to one scientist. A singularity is the region in a black hole when space and time become infinite. However, Professor Vyacheslav Dokuchaev claims that at the centre of certain black holes, and under the right conditions, is an area where the fabric of space and time exists once more. If a charged and rotating black hole is large enough, he said, it can weaken the tidal forces that are beyond the event horizon - the point where nothing, not even light, can escape a black hole's gravity.

Discover Distant Realms of our Solar System - Are There Other Planets Like Earth?

Titan, one among the 62 moons that orbit the planet Saturn is also its largest. Measuring in at 5,149.4 kilometers in diameters, Titan is about half as big as the earth and double the size of the earth’s moon.

However, we cannot just stop the comparison between the Titan and the earth just there, let us delve a little deeper because Titan is very special!

Titan was discovered on March 25, 1655, by Christiaan Huygens and was given the name by John Herschel after the mythological Greek gods. Even though Titan is a Moon, its atmosphere is strikingly similar to that of the early earth.

Michio Kaku - Trappist-1 Solar System & Listener Questions

Michio Kaku - Trappist-1 Solar System & Listener Questions
March 4, 2017 33:54, 1:05:38
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Alien Life Could Be Hiding Out on Far Fewer Planets Than We Thought Universe Documentary

Planets in the hundreds of billions are likely caught up in the vast whirlpool of the Milky Way galaxy. From Earth, a lonely outpost on one of its spiral arms, we’ve begun to peer across the void. We can already make out, dimly, the light from planets orbiting distant stars. We’ve even tasted a few of their atmospheres by dissecting those faint traces of light.

But the ultimate goal of NASA's exoplanet program is to find unmistakable signs of current life. How soon that can happen depends on two unknowns: the prevalence of life in the galaxy and how lucky we get as we take those first, tentative, exploratory steps.

Our early planet finding missions, such as NASA’s Kepler and its new incarnation, K2, or the soon-to-be-launched James Webb Space Telescope, could yield bare bones evidence of the potentially habitable worlds. Perhaps K2’s examination of nearer, brighter stars will stumble across an Earth-sized planet in its star’s habitable zone, close enough for follow ups by other instruments to reveal oceans, blue skies and continents. Or James Webb, designed in part to investigate gas giants and super Earths, might find an outsized version of our planet. With a possible launch in the mid 2020s, WFIRST, or the Wide-Field Infrared Survey Telescope, could zero in on a distant planet’s reflected light to detect the signatures of oxygen, water vapor, or some other powerful indication of possible life.

But unless we get lucky, the search for signs of life could take decades. Discovering another blue-white marble hidden in the star field, like a sand grain on the beach, will probably require an even larger imaging telescope. Designs are already underway for that next-generation planet finder, to be sent aloft in the 2030s or 2040s.

Explore Secrets of the Universe Documentary - Formation and Evolution of Planets in Solar System

How likely is it that a black hole could enter the Solar System? Well, you’d have to define likely; it is more likely that the Earth will get swallowed by a black hole than, say, winning the lottery ten times in a row, but less likely than being struck by lightning. In fact the odds of a black hole devouring our planet are estimated at one in a trillion.

There are two predominant types of black hole in the universe. The first are supermassive black holes found churning at the centre of galaxies. These don’t really pose any threat to us, until our galaxy collides with another like the Andromeda galaxy in a few billion years.

Discovery Science Channel SOLAR SYSTEM SPACE & STARS Universe Documentary

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Exoplanets From Hell - Life In Other Planets In The Universe (Documentary)

In this Space and universe video documentary, we are going to present you the exoplanets which are not suitable for living in our world i.e., exoplanets from hell. Watch this space and universe documentary to understand about hot or planets which are not suitable for sustaining life.

Watch this Planets from hell video documentary to learn everything about the different planets in the universe, life in other planets in the universe, is life exist only on earth, etc.

Watch Exoplanets From Hell - Life In Other Planets In The Universe (Documentary) here.

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Finding a New Earth: Exoplanets and the Habitable Zone

May 11, 2016
Dr. Stephen Kane (San Francisco State University)
Over 1500 new planetary systems have been discovered, many of which include planets quite different from those in our own Solar System. A key step towards finding “Earth 2.0” will be to identify rocky planets that occupy the “Habitable Zone” of their stars. Dr. Kane describes what the idea of a Habitable Zone means and shows examples of planets that lie in their star’s Habitable Zone (even if the star is not like our Sun.)

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