What If Earth Was the Only Planet in the Solar System?
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Imagine never being able to dream of landing on Mars or traveling to Saturn.
Not because it’s impossible to get there, but because they didn’t exist. Because Earth was the only planet in our solar system. What would the night sky look like? Where would Earth be located? And how would humanity evolve?
Watch more what-if scenarios:
Planet Earth: https://www.youtube.com/watch?v=_-HhCwYD7rc&list=PLZdXRHYAVxTJCzxwmCq0NNpYq9N9wyb2l
The Cosmos: https://www.youtube.com/watch?v=gfuJyVkMH_g&list=PLZdXRHYAVxTJno6oFF9nLGuwXNGYHmE8U
Technology: https://www.youtube.com/watch?v=CS3bBO05fpU&list=PLZdXRHYAVxTIeRY3JtgXgoGqSEB7kDdKO
Your Body: https://www.youtube.com/watch?v=QmXR46TrbA8&list=PLZdXRHYAVxTJNsV9FFeNAKl2ySsHj8GZO
Humanity: https://www.youtube.com/watch?v=fdCDQIyXGnw&list=PLZdXRHYAVxTIFnvmOeWbv-Mt8zFxSCSvZ
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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 — grounded in scientific theory — through time, space and chance, as we ask what if some of the most fundamental aspects of our existence were different.

@discworldfan
October 17, 2025 at 5:10 am
All planets and you did include moons and dwarf planets. you also need to include asteroids as well since they are sort of "corpses" of planets. so no danger from them.. but we got surely alot of other things to worry about.
@EBOOG814
October 17, 2025 at 5:10 am
If this was plutos reprisal: Earth: No! My friends! WAAAAAA
@alexo6046
October 17, 2025 at 5:10 am
Idc I still call Pluto a planet he was my fav planet too
@ChristopherKeillor-m9d
October 17, 2025 at 5:10 am
It's almost like the solar system was designed with some form of intelligence
@minthanghk2582
October 17, 2025 at 5:10 am
That's why GOD exist😊
@---Dr._Eggman---
October 17, 2025 at 5:10 am
The Last Planet on Milky Way
@tamaraewing5764
October 17, 2025 at 5:10 am
Ahhhhhhhh
@GodzillaGk-o8k
October 17, 2025 at 5:10 am
What if Goku real 😊
@Trollwarrior-z8z
October 17, 2025 at 5:10 am
If earth is the only planet it would turn into a gas giant since there is gas around the solor system
@anicetune
October 17, 2025 at 5:10 am
At least we'd still have Pluto.
@SouravSingh-m2m
October 17, 2025 at 5:10 am
Slightest inconvenience*
Life on Earth – Ceases to exist..
@WrestlingUltimateWars
October 17, 2025 at 5:10 am
THANK YOU JUPITER AND SATURN
@mospeada1152
October 17, 2025 at 5:10 am
Actually, the waters wouldn't be totally still, as they would be affected by the Sun.
Also, we could have still had the Moon to explore, but other than that, local space would be pretty boring!
@Zahnermc_formerlyMikeMotor
October 17, 2025 at 5:10 am
WHO WOULD COME UP WITH THE NAME JUPITER, SATURN, URANUS, NEPTUNE, MARS, VENUS, PLUTO, X, AND MERCURY?!
@mariluzcaban244
October 17, 2025 at 5:10 am
Dinosaurs: “Jupiter and Saturn are getting beat up by millions of astroids” so did we. Are we a joke to you?
@jcs1025
October 17, 2025 at 5:10 am
There are a lot of factual inconsistencies in this video. For example, the Goldilocks zone only refers to the presence of liquid water. It does not mean that the planet could have life.
@miracle269
October 17, 2025 at 5:10 am
That whole story about asteroid hitting earth and killing all dinosaurs is just so not true lol
@nusratahmed3993
October 17, 2025 at 5:10 am
SUBHANALLAH
@thuphuongnguyen6331
October 17, 2025 at 5:10 am
Earth would be in the same place. You're being silly just like my mom. My mom would be a kid. You would be a kid genius. My mom knows nothing about geo facts. I'm used to teach her geo facts.
@sbattle4787
October 17, 2025 at 5:10 am
God is soo amazing. He created everything with us in his ❤
@dustinpfarr1601
October 17, 2025 at 5:10 am
Jupiter and Saturn, you da real MVPs.
@CazerOri
October 17, 2025 at 5:10 am
Ima find a way to get a ton of comments ( if this works )
Alright, here it is:
🥵 <–Man
/| | __
| -|__ | 👧
| |
@f.i.cssynkmoreno4347
October 17, 2025 at 5:10 am
ggfgfrdrdrtrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrddddddddddddddddddddddddddddddddddddddddd
@MoumenMahmoud-ok5lb
October 17, 2025 at 5:10 am
shows mercury is bigger than earth
@aswinas7352
October 17, 2025 at 5:10 am
Amazing 👌
@Zingg-e1s
October 17, 2025 at 5:10 am
1:55
@mdimrankabir8690
October 17, 2025 at 5:10 am
Jupiter & Saturn are those big sisters who sacrifice their lives so their only goldilocked sister 'The Earth' could become the mother of uncountable living organisms.
@kamrujjamanmithu3091
October 17, 2025 at 5:10 am
Every single planet is important for every pnet,if Mercury didn't exists,then we could even burn
If Jupiter didn't exists,the asteroids will hit us very badly
@sarahouis
October 17, 2025 at 5:10 am
Now I understand what * taking the hit * really meant.
Shoutout to Jupiter and Saturn
@kaliaveryangeldogs5380
October 17, 2025 at 5:10 am
That was so sad
@المرابط-ل2خ
October 17, 2025 at 5:10 am
The Earth is alone, even in the presence of other planets, because the distances that separate the planets are very vast. The Earth may think that it is the only one in this space.
@TommyM-bg8gp
October 17, 2025 at 5:10 am
So what about the moon that thanos threw at the avengers how did its absence affect titan
@golden2662
October 17, 2025 at 5:10 am
Creation is by intelligent devine design. We are not here by "luck" or "accident". Genesis 1:1 In the beginning God created the heavens and the earth.
@jashinrosedelaynon1366
October 17, 2025 at 5:10 am
Solar system is the best planet
@definitionofepic
October 17, 2025 at 5:10 am
1:55
@definitionofepic
October 17, 2025 at 5:10 am
help why r we identifying planets as male or women 😭
@matthewbittenbender9191
October 17, 2025 at 5:10 am
It's an interesting thought experiment that has very quantifiable consequences as all planets and the moon affect life on Earth. However, this video sort of mixes the effects of no other celestial bodies both at the beginning and today if they all just disappeared. These are 2 totally different things as life today would likely cease but also may never have formed in either scenario. It also doesn't account for Theia which was hypothesized to have been absorbed by Earth in the solar system's wait years giving rose to the active core AND the Moon which is proposed to have been the coalesced debris from that collision. But without Theia Earth my have stayed a lifeless rock devoid of enough resources to keep any intelligent lifeform in the stone age.
But for the sake of argument, suppose the earth was in the Goldilocks zone all by itself in the configuration it is to have the possibility to sustain life. Without the moon there would be no tides. In fact, there is evidence that even Venus and Mars affect our deep currents. All land formations would be different even if the active core was present. Lifeforms would have had to evolve differently and may have had better living conditions in the oceans. Chances are it would be totally synchronous tidally locked without Theia which caused the spin. Assuming it Theia did hit causing spin and not the moon, life could still form but it would be different. Nights would be darker and no organizing would have that light (like sea turtles) to use for mating or migration.
Other planets still exert gravity. Without them we wouldn't have the shielding from meteors and comets. Earth's chances of being hit dramatically go up though it is still a tiny target. There have been a few extinction level events from the big ones that aren't diverted or absorbed by our gas giants. On the either hand if nothing else existed in the solar system then, neither does the asteroid ring and perhaps even the Oort Cloud which then makes Earth much safer. So while it's chances of an interstellar object colliding with it goes up which is infinitesimal or it greatly increases if all the planetary material instead is situated at a minimum of 2000AUs away.
There is much more to add but I'll leave it here. It would be a vastly different world if it started that way and life would likely have formed very differently if ever at all and less likely not forming into intelligent beings.
@thomasboyey
October 17, 2025 at 5:10 am
If Lonely Earth Then 2007 Uk126 Would Still Be In Solar System
@EARLSANORIA-v2m
October 17, 2025 at 5:10 am
What if earth was shaped like a donut
@RogueKnight-s2l
October 17, 2025 at 5:10 am
Sun and asteroids i still going to be here
@ilyatsukanov8707
October 17, 2025 at 5:10 am
5 minute video that could have shrunken down to 1 minute. The entire first minute is literally about nothing.
@Mr.Michaelsnotes-ce1og
October 17, 2025 at 5:10 am
Then Elon Musk and bezos be out of job
@Gupsanjay07
October 17, 2025 at 5:10 am
This channel is a lifesaver. It calms my anxiety.
@PacoOtis
October 17, 2025 at 5:10 am
GRAMMAR! Quit making astronomers look stupid and uneducated! It is "What if the earth WERE the " Go apologize to your English teacher.
@MrCmather
October 17, 2025 at 5:10 am
Then it wouldn't be called a solar system. Maybe solo system. LOL
@FewVidsJustComments
October 17, 2025 at 5:10 am
0:37 “The other eight planets”
Pluto: * happy planet noises *
@sydboyle6965
October 17, 2025 at 5:10 am
That was an awkward segue into 'that sounds like a story for another whatif.'
@LA.mushroom
October 17, 2025 at 5:10 am
Omg is earth suced
Comments are closed.