Imaginez vivre sur une planète avec une gravité super élevée - tout semblerait beaucoup plus lourd ! Même des choses simples comme marcher ou lever le bras seraient un véritable exercice. Vous auriez l'impression de porter un poids supplémentaire en permanence, et sauter ? Oubliez ça ! Vos muscles devraient être extrêmement forts juste pour se déplacer, et même vos os devraient être plus solides. Les bâtiments et les voitures devraient être construits super résistants pour supporter la pression. Ce serait assurément un tout autre monde ! Animation créée par Sympa.
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Musique par Epidemic Sound https://www.epidemicsound.com
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Musique par Epidemic Sound https://www.epidemicsound.com
Pour ne rien perdre de Sympa, abonnez-vous!: https://goo.gl/6E4Xna
----------------------------------------------------------------------------------------
Nos réseaux sociaux :
Facebook: https://www.facebook.com/sympasympacom/
Instagram: https://www.instagram.com/sympa.officiel/
Stock de fichiers (photos, vidéos et autres):
https://www.depositphotos.com
https://www.shutterstock.com
https://www.eastnews.ru
----------------------------------------------------------------------------------------
Si tu en veux encore plus, fais un tour ici:
http://sympa-sympa.com
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FunTranscript
00:00Imagine a planet like Earth, but much heavier.
00:03We know that gravity is getting stronger as the mass increases.
00:06That's why giants like Jupiter in our solar system have a super-powerful gravity.
00:11Jupiter's gravity is about 25 meters per square second,
00:16which is 2.4 times higher than Earth's.
00:19It is so powerful that Jupiter attracts hundreds of asteroids towards it,
00:24which, without Jupiter's presence, would have fallen directly on Earth.
00:28However, Jupiter is a gas giant,
00:31which means it does not have a solid surface like Earth.
00:34It is literally a gas ball in the wind,
00:37with a dense core somewhere deep inside.
00:40If you tried to stand on Jupiter, you would sink until you reached it.
00:45But what would happen if we stood on a planet similar to Earth with very strong gravity?
00:51First of all, it would be much larger than our Earth, and also massive.
00:55It's a big problem, because it would affect its size and the way it loses heat.
01:00Think about it like this.
01:02As things get bigger, they lose heat more slowly,
01:06like a large pot of soup simmering on the stove.
01:08Now, I'm hungry.
01:10That means the surface there will be quite warm.
01:13You can imagine a desert or savannah planet.
01:17The landscape would be different in general.
01:19You would have shorter mountains and shallow oceans,
01:22and the planet would be flat as a whole.
01:24High gravity would melt the interior,
01:27causing a lot of geological activity and making the surface even flatter.
01:32The air on this massive planet would be extremely dense,
01:34because a stronger force would pull it down.
01:37Breathing would be like inhaling soup, as strange as it may seem.
01:41In addition, the winds and waves would be less wild and powerful.
01:45And as for flying, well, it would be difficult on planets with strong gravity.
01:50If we land our spaceship on it,
01:52it will be a real headache to leave later.
01:56On the positive side, due to the thickness of the air,
01:59the sky would have magnificent colors.
02:01Sunset and sunrise would be breathtaking.
02:04And when it comes to volcanoes,
02:06they would remain silent until the pressure reaches epic levels.
02:10This means that volcanic eruptions would be rare,
02:13but crazy when they occur.
02:15After landing, of course, you would feel an incredible heaviness.
02:20You would feel like you're being crushed down.
02:23Each step would be a physical exercise,
02:25and even lifting objects would be a challenge.
02:28And forget about jumping high or doing sophisticated acrobatics.
02:32On this planet, your jumps would be barely noticeable.
02:35Even breathing would be difficult for us.
02:38So, if we wanted to live there,
02:40we would have to adapt all our sports and games significantly.
02:43And climbing one of these little mountains
02:45would look like climbing an endless staircase.
02:48Buildings should be short and sturdy as well,
02:51like small trapdoors.
02:53High structures could easily collapse under the weight of gravity.
02:57And on a planet like this,
02:59even a small fall could be disastrous.
03:02So, the inhabitants would mainly be four-legged, sturdy creatures,
03:07ensuring their stability and proximity to the ground.
03:11Thus, the creatures living here should be sturdy.
03:14The best example is the Elkhorn of Mass Effect.
03:17It's a species from the high-gravity world of Ekuna.
03:20As far as walking is concerned,
03:22these creatures should choose between stability and energy saving.
03:27Less legs would be ideal to save energy.
03:31In this case, they would move like a swinging pendulum.
03:35But they wouldn't be very stable.
03:37More legs would have the opposite effect.
03:39These people would also need robust lungs to breathe,
03:42powerful hearts to pump blood against gravity,
03:45and super dense bones.
03:47Their veins could even have muscles like our arteries.
03:51And with so much oxygen around due to the thick atmosphere,
03:54these creatures could become really big.
03:57In other words, if we lived on such a planet,
04:00we would all look like bodybuilders.
04:02The good news is that with all the additional effort,
04:05you could enjoy more tasty food.
04:08You would need additional calories to follow the new lifestyle.
04:13This is what life on a planet with high gravity would look like.
04:17Now, what about the opposite,
04:19a planet with very low gravity?
04:21Instead of feeling anchored and heavy,
04:23you would feel remarkably light and floating.
04:26To get an idea of what a low gravity could be,
04:30think of the feeling of jumping on a trampoline.
04:33When you jump in the air,
04:35you feel a brief moment of weightlessness
04:37before gravity brings you back to the ground.
04:40Now, imagine that this feeling of weightlessness
04:43never really disappears.
04:46You would feel incredibly agile.
04:48Each step would be a bit like walking on the moon,
04:51where you can make huge jumps with little effort.
04:54One of the biggest differences on such a planet
04:57would be the climate and temperatures.
04:59Unlike the previous one,
05:01this lighter world could not be as effective in retaining heat.
05:05This could be translated by softer and more stable temperatures
05:09compared to the Earth.
05:10Imagine a world where each day looks like a pleasant spring day.
05:15Seasons could still exist,
05:17but the extremes of scorching summers and icy winters
05:20would be much less pronounced.
05:22Thus, outdoor activities would be a pleasure throughout the year.
05:26The landscape on a planet with low gravity
05:28would be breathtaking.
05:30The mountains would rise to dizzying heights,
05:33their peaks seeming to touch the sky.
05:35These majestic geological formations
05:37could exceed the layers of clouds.
05:39The valleys and canyons would be deep and extensive.
05:43Breathing there would be a child's play, literally.
05:47With a finer atmosphere,
05:48you would find it much easier to breathe.
05:51The winds would be much softer than on our planet.
05:54Storms would still occur,
05:56but they would look nothing like the ones we have on Earth.
06:00Life on a planet with low gravity would also be different.
06:04Plants could grow large and elongated,
06:06reaching the sky.
06:08Trees could stretch to incredible heights.
06:11Animals would be large and graceful,
06:14with long limbs and elongated bodies.
06:16They would move with elegance.
06:19Wings could be a common feature among them.
06:22They could also have developed specialized adaptations,
06:26like gas-filled bags.
06:28If we were born on a planet like this,
06:31we would also be large,
06:32thin,
06:33with fragile bones and very thin muscles,
06:36like this boy stretched in Charlie and the Chocolate Factory.
06:40As you can guess,
06:41this planet could be a paradise for sports enthusiasts.
06:44Traditional games like basketball, football and volleyball
06:48could become incredibly popular here,
06:51and much more fun.
06:52People would be able to jump very high,
06:55to do dangerous jumps in the air,
06:57and all kinds of cool moves.
07:00And activities like hiking, climbing and even yoga
07:03would take on new dimensions.
07:05Doing acrobatics would be as natural as walking.
07:08And all the difficult daily tasks
07:10that require lifting and carrying would be effortless.
07:14Architects and engineers would be happy
07:17to design buildings in this world.
07:19They would be able to build very high and elegant structures
07:23reaching the horizon.
07:25Our cities would be filled with immense skyscrapers
07:28and large windows.
07:29Flying and taking off from the surface would be much easier.
07:33On Earth, launching a spaceship into orbit
07:35requires a huge amount of energy.
07:38But on a planet with low gravity,
07:40escaping the atmosphere would be much less demanding,
07:43which means that humans could travel more,
07:46and exploring space would be much easier and less expensive.
07:50Of course, all this means that transport
07:52would also benefit from low gravity.
07:55Traveling by plane would be incredibly efficient.
07:58With planes flying effortlessly in the thin atmosphere,
08:01elevators in high-rise buildings
08:04would operate with minimal energy consumption.
08:07And in general,
08:08given that the planet is probably smaller than Earth,
08:11travel would be much faster.
08:14However, there could be challenges,
08:16such as fragile bodies and health problems.
08:19In addition, we would probably get tired faster
08:22due to all the muscle atrophy and other factors.
08:26And maybe the ecosystem wouldn't be as diversified as Earth's.
08:30But still, it seems that living on a planet with low gravity
08:34is much better than on a planet with high gravity.
08:37In addition, it seems that it could even be better than Earth.
08:41So maybe one day,
08:42we will find a planet that will be like a paradise for humans.
08:46In the meantime, let's take care of our beautiful Earth.