Aliens under the Ice – Life on Rogue Planets

  • Published: 27 December 2018
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    Out in the vast coldness of outer space, there are planets that travel alone through darkness without the boundaries of a system. Here’s how this can happen – and why these frozen deserts might secretly harbor alien life.


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Comments • 8 881

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  • Nathan J
    Nathan J  8 hours back

    Perhaps intelligent species on a frozen planet could forge metal over a thermal vent?

    • Thanos Patrick
      Thanos Patrick  14 hours back

      They'll freeze and will become as hard as bedrock

      _Oh no_

      • Marek Halás
        Marek Halás  15 hours back

        Imagine the rouge planet beying covered in titan hippos like it would be so cool and so dangerous cuz hippos are cool! Fight me

        • Dan C
          Dan C  1 days back

          This is one of my favourite Kurzgesagt videos, I find it stark and haunting but beautiful to imagine what is being described. The music in this video is very atmospheric too for considering your own fleeting existence.

          • Evan Mckinnon
            Evan Mckinnon  1 days back

            "How does a planet become a rogue in the first place?"
            They choose their class at level 1

            • MonetizedYaY
              MonetizedYaY  2 days back

              It becomes rogue when it says the n word

              • Remer Mequiota
                Remer Mequiota  2 days back

                rogue planets are formed when they betray their solar system and if found gets murdered

                • Peter M
                  Peter M  2 days back

                  I don't think they'd have eyes like troglodytes

                  • MBIDaJetz
                    MBIDaJetz  2 days back

                    HAHA! Obama under the ice. SAD!

                    • Alec Wu
                      Alec Wu  2 days back

                      watch wandering earth

                      • Paydaywolf 2008
                        Paydaywolf 2008  2 days back

                        Why is this so interesting

                        • the vader
                          the vader  2 days back

                          Well technically you dont need water for life there at are many amonyas and liguids that could help start life some are better thin water

                          • Flamingo Boi
                            Flamingo Boi  2 days back

                            What if the whole of space is just a thing in a thing

                            • KeRen Tan
                              KeRen Tan  3 days back

                              "ignorant of the unbelievably big universe above the ice."
                              -100% human population, Birth-Now

                              • Kurtis Wade
                                Kurtis Wade  3 days back

                                Could we all pay respects to the sub-brown dwarf that got roasted in the beginning

                                • Chikoo Arin
                                  Chikoo Arin  3 days back

                                  Kurzgesagt please do a video on the principals of phi and it proportions

                                  • cammiecookies
                                    cammiecookies  3 days back

                                    rogue planets are rare dude
                                    i heard they're so rare there's not even one in the WHOLE SOLAR SYSTEM!

                                    • Zaithe
                                      Zaithe  3 days back

                                      more like this please

                                      • Umbra
                                        Umbra  3 days back

                                        I can't wait to we go from "lol aliens might be here we dont know 🤷‍♂️"

                                        To "So the aliens on this planet have red scaley skin and are presumably, a primitive hunter gather society."

                                        • Sean Hub
                                          Sean Hub  3 days back

                                          this video just gave me like 10 more things to fear about that I never thought I would've

                                          • Instant gardening
                                            Instant gardening  3 days back

                                            can we nuke ice planets?

                                            • Unknown User
                                              Unknown User  3 days back

                                              Dman your animations are better than anything in cartoon network

                                              • tamas tarczy
                                                tamas tarczy  3 days back

                                                Can we just show some respect for the animators? These videos are sooo well desinged, animated and edited. Well done guys! 🤘

                                                • Kyle From The Wood
                                                  Kyle From The Wood  3 days back

                                                  Similar to the plot of Arthur C Clarke Space Odyssey 2061, the 3rd installment of the Space Odyssey books.

                                                  • Cdj Thg
                                                    Cdj Thg  3 days back

                                                    I got a crazy thought what if there is life on Saturn and the gas that makes it up is actually there atmosphere 🤯

                                                    • Cdj Thg
                                                      Cdj Thg  1 days back

                                                      Mythic Boi the thing is we don’t even know what other life would even need

                                                    • Mythic Boi
                                                      Mythic Boi  1 days back

                                                      @Cdj Thg we know that off of scientifically evidence ummm 😅. And there are still other factors besides just oxygen

                                                    • Cdj Thg
                                                      Cdj Thg  2 days back

                                                      Mythic Boi how could we even know what aliens need maybe they don’t even need oxygen

                                                    • Mythic Boi
                                                      Mythic Boi  2 days back

                                                      Probably wouldn't work because there si no oxygen,water and is freezing cold and has crazy storms (hurricanes as large as earth"

                                                  • Vilsa-Brunnen Medium
                                                    Vilsa-Brunnen Medium  4 days back

                                                    No oil ?
                                                    *sad american noise*

                                                    • Keven Gagner
                                                      Keven Gagner  4 days back

                                                      you say we cant make fire under water but. what if it is possible all the elements we know on earth doesnt mean it is ALL the elements that exists in the universe there could be other types of under water trees other ways to start fires with materials we dont have access to and that we dont even know exists anything is possible the laws of physics we know are maybe not applied in the same way everywhere we dont know anything about our universe really other than that it is dark,cold and empty i highly doubt anyone will see this but yea you know this makes sense i think we are on earth not on neptune or on another planet in another galaxy far far farrrr away

                                                      • InspirePerfect
                                                        InspirePerfect  4 days back

                                                        Can we all just admire the animation and the narrators perfect voice and accent .. subbed

                                                        • Davis Grant
                                                          Davis Grant  4 days back

                                                          teachers better show this channel to their students

                                                          • Richie Kock
                                                            Richie Kock  4 days back

                                                            Kuzgesagt is full of scheiße!

                                                            • YourAverageAussie - youtube

                                                              As a Rimworld player, i can confirm life is harder *on* the ice sheet than it is *under* the ice sheet.

                                                              • ImELFY
                                                                ImELFY  5 days back

                                                                Ii think you have way too many reflections in your animations

                                                                • Fireflux
                                                                  Fireflux  5 days back

                                                                  If Earth became a rogue planet, life would continue to survive easily in places like the Marianus Trench. Can you imagine humans being wiped out across millions of years in the dark of space, then Earth manages to fall into orbit in the habitable zone of another star, thawing the oceans out and allowing life to spread again, where the new beings, if they gained intelligence, would uncover evidence that intelligent life existed on their world before them...And then they'd find evidence of stuff like Reddit and 4Chan and go insane.

                                                                  • LonghornJake :3
                                                                    LonghornJake :3  5 days back

                                                                    That is sad and disturbing. Dead planets may have alien life that have no idea of what is outside of their home. There is a whole universe outside and they dont even know about it. They are stuck. Alone. In empty space.

                                                                    • Massimo Catelli
                                                                      Massimo Catelli  5 days back

                                                                      2:03 with "hard as bedrock" do you mean "unbreakable"?

                                                                      • The Patayer
                                                                        The Patayer  5 days back

                                                                        I knew it, that evil snail from adventure time was here at 4:58

                                                                        • Linventor
                                                                          Linventor  5 days back

                                                                          Actually reading a series of books where the draw is that a single, incredibly intelligent organism is discovered in Enceladus's ocean. Basically, the lack of resources meant that competing was less effective than cooperation.

                                                                          • Alien
                                                                            Alien  5 days back

                                                                            Aliens 👽 Are Clever And Cracked We Also Play Fortnite Add My Epic : Alien

                                                                            • KSG
                                                                              KSG  3 days back

                                                                              Imagine playing Fortnite and actually enjoying it.

                                                                          • EvolvedTurtle
                                                                            EvolvedTurtle  5 days back

                                                                            When it happens to us "Intresting"

                                                                            • Sergio Andres Benitez Hernandez

                                                                              so we... just.... set the moon ON FIRE. YEAAAAAH!

                                                                              • hicham leto
                                                                                hicham leto  6 days back

                                                                                Is that just me or the media preparing us to the invention of aliens

                                                                                • Alexus Dreemurr Leonis

                                                                                  *Existential Dread begins*

                                                                                  • Erdi
                                                                                    Erdi  6 days back

                                                                                    Imagine what kind of religions would come up from those aliens lol.

                                                                                    • Dave Degamo
                                                                                      Dave Degamo  6 days back

                                                                                      Wow that deppresing

                                                                                      • 1212george1212
                                                                                        1212george1212  6 days back

                                                                                        3 seconds in and u hit me with Spore reference. This is bliss.

                                                                                        • Blooky the mememan.
                                                                                          Blooky the mememan.  6 days back

                                                                                          And that kids was how SCP-999 was created.

                                                                                          • MLG josh Chapman
                                                                                            MLG josh Chapman  6 days back

                                                                                            dumb mo fuk