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From whether the moon known as Enceladus honestly has the potential for life, to what we would do if it honestly has it, and more! Join us as we explore how Saturn’s moon Enceladus could have Signs of life!
As such, as we look at the various planets and even the moons that surround them, we look for anything that could give us a hint that there is indeed life out there. Which brings us to Saturn and one of its many moons.
In 2005, NASA’s Cassini Saturn orbiter discovered geysers blasting particles of water ice into space from “tiger stripe” fractures near Enceladus’ south pole. That material, which forms a plume that feeds Saturn’s E ring (the planet’s second-outermost ring), is thought to come from a huge ocean of liquid water that sloshes beneath the moon’s icy shell. This discovery on its own was special because it meant that there might just be water on this moon, and if there’s water on it, there’s a chance we can colonize the moon as it would allow us to have easy (ish) access to water. But a deeper look at the plume itself revealed things that weren’t expected.
For example, dihydrogen (H2) and a variety of carbon-containing organic compounds, including methane (CH4). The dihydrogen and methane are particularly intriguing to astrobiologists. The H2 is likely being produced by the interaction of rock and hot water on Enceladus’ seafloor, scientists have said,.
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Make room, earthling. We’re moving the other planets in our Solar System into our planetary neck of the woods. Would all the planets fit into this Goldilocks zone? What kinds of gravitational chaos would this cause? And could this mean life would exist on the other planets?
Transcript and sources:
00:00 Goldilocks Zone and all the planets of the Solar System.
00:38 Liquid water and what the habitable zone has to do with it.
03:12 How would we arrange the planets within the Goldilocks Zone?
06:15 New Solar System arrangement and ‘planet hopping’.
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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.
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From what the planets are like, to whether they could be places to find life, join me as we explore how Teegarden B Has Highest Possibility Of Alien Life!
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Very recently (like found in 2019 recently), observers from CARMENES (who are a team looking for Class-M planets for us to habitate) found two Earth-like planets just 12.5 lightyears from planet Earth.Granted, that’s still pretty far and it’d still take us a long time to travel there, but 12 lightyears is much closer than the 45,000 light years and beyond of certain other “Earth-like planets” that have ben found. Not to mention, these two planets feel like ones that could have both the necessary water and land for us to live on:
“The two planets resemble the inner planets of our solar system,” lead author Mathias Zechmeister, a research scientist at the Institute for Astrophysics at the University of Göttingen in Germany, said in a statement. “They are only slightly heavier than Earth and are located in the so-called habitable zone, where water can be present in liquid form.”
Research has obviously just begun on these two stars, but there is hope that they could be the real deal. For example, usually the fact that this is a red dwarf star (called Teegarden) would be a red-flag, as they don’t produce as much heat and light. But, the two planets are actually closer to the sun, so that actually would work in our favor.
The only truly “weird” thing about these planets is the orbits around their sun. It takes them between 1-2 weeks to do it, even less than that in fact. That’s massively quick. But, if you think about it, time is only a construct, so what would really matter is how those quick orbits help or hinder the landscape.
Even if these two twins aren’t perfectly suitable, the team at CARMENES are hopeful that other Earth-like planets could be as close as they are, and possibly in the same system as them.
But for now, let’s focus on Teegarden B, and talk about why certain people think that this is the planet that has the highest probability of being a place where alien life can be found.
Obviously, the biggest hurdle has been cleared in that the planet in is in the habitable zone of its star Teegarden. You’d be surprised by how many “potential Earths” are out there, but few of them are in a good range from their sun, which makes them either too hot or too cold, and when you’re trying to pick a planet to live on…you don’t go to a planet of extremes unless you’re in an EXTREME emergency, am I right?
Anyway, on the planet Teegarden B, you’ll find that the temperature is a suitable 82.4 degrees Fahrenheit on average. Which means it’s a semi-hot planet, but trust me when I say you’d rather have a “Summer Day” on another planet than a freezing one or one that is so hot your skin will melt.
Furthermore, as outlined earlier, there is a VERY good chance that Teegarden B has water. But not just water, oceans! A LOT of scientists feel that the oceans of Teegarden B are not unlike what we have here on Earth, and if that’s true that could be an even bigger sign that there is life on the planet. Not to mention, if there is land masses on there and not just a water world (which hasn’t been confirmed as of yet but is likely) that would mean that it could be a near copy of Earth with just different proportions of water and land.
But all of this would be moot if the star known as Teegarden wasn’t one to “cooperate” with the planet. What do I mean by that? Think about our own sun. Because of the distance to our star (93 million miles in total) we don’t get the brunt of the heat or the light or the radiation that it produces. We get just enough of it, and our atmosphere and magnetosphere deflects or absorbs all the other things that could potentially hurt us if we were to get it full blast.
There are many stars in the universe, and many of them have Earth-like planets surrounding them, including ones we truly believe could be the future home of humanity. The problem is that most times the stars do things like solar flares, massive bursts of energy and radiation that can destroy an atmosphere and cause untold damage to the surface of the planet that we’re trying to inhabit.
But in the case of Teegarden…despite it being a Red Dwarf star…it doesn’t act up at all. In fact, it’s been known to be a rather inactive and quiet star. Which is great, because given the distance of Teegarden to Teegarden B (which is much closer than the distance from the Earth to the sun), if flares were to happen, the planet would be ravaged by it. But since that’s not the case, it appears as though, Teegarden B really does have the best case scenario to produce life.
From the potential for more than one alien society to live in the Milky Way Galaxy, to the proof that they might just be out there waiting for us. Join us as we explore the fact that There may be more than 36 Alien Civilizations In The Milky Way!
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If intelligent life is out there…why haven’t they found us yet? Or why haven’t we found them yet? This is the crux of something known as the Fermi Paradox. A scientific and even philosophical question that dares to ask the question of WHY we haven’t found alien civilizations in one form or another. Granted, humanity has happily “showed” what it COULD be like to meet them via television shows, movies, cartoons, comics and novels and more. But in term of definitive proof we don’t have it…yet.
Over the course of human history there have been many “sightings” or “proof” that aliens might be out there. This is why Area 51 is such a pop culture item as well as a real-life one because we know the base is there, and yet we don’t know what’s inside it. Thus, it MUST be the place where aliens are being kept, or so some people believe.
The other thing to note here is that the sightings of aliens or alien craft is not new or even recent. If you look back at paintings going back centuries or ancient texts or drawings on caves you’ll see references to beings and craft that clearly weren’t from our world, yet someone had the image in the sights to draw about it or write it down.
But the irony, the true irony is that we may be closer to these alien civilizations than we previously believed, as they could be right here in the Milky Way Galaxy.
According to a new study, there could be more than 30 civilizations capable of long-distance communication here in the Milky Way. This work, led by researchers at the University of Nottingham, assumed that intelligent life not only exists off-Earth, but develops on other planets similarly to how it does on Earth.
“There should be at least a few dozen active civilizations in our galaxy under the assumption that it takes 5 billion years for intelligent life to form on other planets, as it did on Earth,” Christopher Conselice, an astrophysicist at the University of Nottingham who led this research, said in a statement. “The idea is looking at evolution, but on a cosmic scale.”
This is a very unique way of looking at things, and many would see this as an “evolution” of thought in regards to alien life. Various institutions, including NASA and other space agencies, have accepted that alien life COULD be out there, but obviously hadn’t found proof of it yet. But what if they were just looking at it in the wrong way? Could this study be the proof we need that aliens do exist?
Well that’s a tricky question, and it brings up the question of what this team at Nottingham did to try and figure out how many civilizations could be out there the Milky Way.
To estimate the number of intelligent civilizations in our galaxy, the team took into account two major “Astrobiological Copernican limits”, or conditions that such an “intelligent” civilization would depend on.
For one of these limiting factors, the researchers used Earth, where life began approximately 4.54 billion years ago, as an example. They assumed that intelligent life most likely forms in less than 5 billion years. Again, using Earth as a baseplate which is fair given the context of this study.
The other factor that they figured into their study was that of the stars around the planets life could be on. They estimated that a planet with intelligent life would orbit a star like our sun (again, Earth as the template). This sun-like star would have “a metal content equal to that of the sun … (the sun is relatively speaking quite metal-rich),” Tom Westby, an assistant professor at the University of Nottingham and first author on the paper said in the same statement.
In addition to these two Astrobiological Copernican limiting criteria, the scientists factored in technological capability. The researchers figured that the number of “intelligent” civilizations depends on technological prowess, specifically how long they have been sending out some sort of signal into space (anything from radio transmissions from orbiting satellites to television). So, using our civilization as an example for a potential extraterrestrial one, the researchers estimated that humans have been “technologically advanced” for about 100 years.
Which if you think about it is actually kind of fair. If you look at our world right now, we’re reveling in technology, but go back to 1920?