![]() Oceans and rivers would mimic your sweat’s behaviour, but on a much grander scale. What would is the lack of air to breathe. This means your wounds would take longer to heal, and your immune system would weaken. Circulation of your red blood cells would drop. At least for a while, until your body could adjust to a new environment. Without gravity, your heart would only supply your brain and chest with blood, not your legs and stomach. To deliver blood to your brain, your heart has to push it vertically, overcoming the force of gravity. Your heart.Įvery day it pumps almost 2,000 gallons (7,200 liters) of blood. And if losing your biceps doesn’t scare you, think of the most hardworking muscle in your body. The same thing would happen to your muscles. That’s right… Astronauts lose at least 14% of their bone strength during a 6-month stay on a space station. But without it, you’d start losing your bones! Growing up on this planet, your body has adapted to pushing against the force of gravity as it constantly pulls you down. Every second you are unconsciously working against the effects of Earth’s gravity. That sweat would pool up around you, and you’d start experiencing some of the inconveniences involved with intimate physical contact in space. ![]() So grab an oxygen tank and carry on, right? At this point, you’re probably realizing living on a gravity-free Earth isn’t as much fun as you thought, and you might be getting the cold sweats. Without a stable, “in-place” atmosphere, suffocation would be unavoidable. Here’s where the life-threatening trouble starts for us – we need the atmosphere to breath. We can’t say whether our atmosphere would have the same physical sensation, but it would also be on the move.Īs you’re watching your unplugged toaster float past you and marveling at the force of electromagnetism at work to get you your morning peanut butter and toast fix, so too would the atmosphere head upwards. Instead, it would feel as though the Earth was falling out from underneath you, rather than you leaving the ground in slow motion. As gravity vanished and the Earth kept spinning, that sensation of floating always associated with Zero G scenarios wouldn’t quite play out like that. ![]() Were it to be universe-wide, the effect on our sun alone would be drastic enough to cause it to violently explode in mere minutes and shower the galaxy with super-heated gas.Īnd that just means instantaneous death for everyone, so let’s stick to our planet for now. Their worlds exist inside the nuclei of atoms, and as the saying goes: out of sight, out of mind.įirst, we’re going to limit the gravity-on-strike scenario to Earth only. Then we the two forces that never get the spotlight – strong and weak nuclear force. It’s also why planets are in motion around the sun and is the brute strength behind the formation of new planets and stars.Įlectromagnetism is put to use in many household products that require an electrical current or battery to operate, and involves how matter interacts with electricity and magnetism. Two of those forces, gravity and electromagnetism, are visibly seen at work every day.Īs mentioned, gravity keeps us in place. Gravity is the weakest sibling of the four basic forces that help make our universe what it is. While the idea of free-floating down to neighborhood pub and drinking a pint of yeasty goodness pooled together like an alcohol-filled bubble in mid-air might seem like fun, there’s much more to gravity than just stopping us from “getting the floats.” If one day this force came to an end…Zero gravity. and are gravitationally attracted to the atoms of the person sitting next to you. While bouncing off the ceiling may sound fun, there would be a lot of consequences if we lost gravity’s grip on our bodies… Gravity is an attraction that keeps us on Earth, and keeps Earth orbiting the Sun.Įven the atoms in your body exert gravity…. Would you fly off the planet? What would happen to Earth? ![]() What if one day it just stopped working and the whole world experienced zero gravity? How would your body react? Ever had a hard time climbing up a hill? Or had a bad fall? Gravity is what glues you to the ground and keeps you from floating away from it. It acts as the anchor that prevents objects from floating skyward.įor humans, it’s a leash that stops us from straying too far away from the planet’s surface. Gravity, in the literal sense, keeps everyone (and everything) on Earth grounded. ![]()
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