Did anything ever live on the moon? Today we'll look at an interesting new idea. Could the moon ever have harbored life? I'll present to you some new insights into the history and structure of the moon. These findings could bolster the idea that the moon could once have been home to life. They are definitive evidence, but it's story worth exploring. The story of the moon is written into the story of life itself. Around four and a half billion years ago, the Earth itself coalesced from a cloud of gas and dust, which would eventually go on to form the entire solar system. Earth is believed to have formed with that amount. In fact, in a sense, Earth as we know it today formed as a result of the moon. Picture this. Earth is newly formed. It's a toxic planet with vast areas of its surface covered by a magma ocean from the outer solar system that comes. An object roughly the size of Mars slams into Earth 1.0. This object has been named Thea. The impact is obviously catastrophic, essentially tearing away the outer surface of the Earth. Where does all of this cross go? Into space, forming a ring around a newly resurfaced Earth. It is this ring consisting of the fragments of both our world and Thea that will form the moon. That's the moon in a nutshell. Its influence on the course of life has been fundamental, with a critical role in climate and seasonality by the key role of plays and tides. For over four billion years, the moon has stared down upon the world, seeing the march of life with all of us ups and downs. The moon itself has been life with all this time. It's been our closest neighbor for practically forever. We have always thought of the moon as a dead hostile place. Indeed, today it certainly is, with no atmosphere to speak of, almost no water. And the lethal solar radiation constantly bombarding the surface. The consensus of opinion is that the moon is completely devoid of life. But it may not always have been like this. It may be a stretch, but several studies have suggested that at least for a time, the moon may have been at least habitable. Perhaps not an oasis of life like Earth, but a play-stake of hard-rept. Think of a piece as griffled on our ocean. How is this possible? As noted, we all know the moon is hostile to all life now. However, the moon is now an inert world, devoid of any geological activity. Once though, the moon was anything but inactive. In the period after its formation around four billion years ago, it was highly volcanically active. Intense volcanism can be a source of atmospheric gases. This is definitely the case on Earth. Many atmospheric gases, including several trace greenhouse gases, are pumped into our skies by volcanoes. Greenhouse gases are pivotal in regulating climate on Earth. On the moon, all those billions of years ago, volcanoes may have done just that. Volking up to the lunar atmosphere and enabling this tiny world to retain some heat. In addition, a thick atmosphere of water protection against solar radiation and an environment amenable to liquid water. Water is, as you know, crucial to all life on Earth. While other water is one of the essential catch-crisis of asteroid biology. Five water, the reason goes, and life may be there. This is an always a case, though. Water has to turn it out exists almost everywhere in the solar system. There is even water vapor on the Sun. There is plenty of water on the moon, locked up as ice in several craters locked in permanent darkness. How would all of this water have arrived on the moon? Provailing theory regarding the origins of Earth's water, held that much of it was delivered by commentary impacts. This is certainly reasonable. Recent discoveries, though, hint at vast reservoirs of water, locked up deeper than the Earth's crust. Water may have been replenished over the air on by outgassing from volcanoes, for example. This may have happened on the moon. Several studies of learning composition have demonstrated that there may be similarly vast amounts of water locked up within the moon's mantle. The ancient moon may have gained a thick watery atmosphere from centuries of volcanic activity, partially terraforming it. So, to put it along story short, water by itself is no guarantee of life or habitability. The moon, however, may once had been a very different place. With a thick atmosphere providing protection from coves and grays, and allowing pools of liquid water to form, life could have quite easily gone to foothold there. Most likely, though, this life was in a form of microbial organisms, which may have arrived by Litho-Panspermia. This is a process whereby, well, that close proximity can exchange life, or at least its building blocks by impact or volcanic ejector. This very concept is being applied to crowd-assistence of exoplanets such as the Trappist I system. It sure is an exciting avenue to explore. Just imagine, in such a system, the possibility of interplanetary ecosystems could exist. Now, this is, of course, very theoretical. Damn, what an interesting idea. What do you think? Was the moon ever habitable? Thank you for watching. I'd like this amazing crazy, but that's where science starts with the crazy water by theirs. Don't be afraid of asking what-if questions. Be afraid of not asking any questions at all. Don't forget to like this video, subscribe to this channel, and share it far and wide. Hit that little bell, so every time I upload, you'll be the first to know. I'll see you next time.