What If Space Was Filled With Air?

Imagine you're out for a routine Space Walk suddenly your Helmet comes loose but instead of suffocating, you breathe in fresh Cosmic Air. How far reaching would this space atmosphere be? Why would space suddenly become so loud? And could this lead to the destruction of the whole solar system?

This is what if and here's what would happen if outer space was breathable. The atmosphere you breathe here on Earth consists of 78 nitrogen, 21 oxygen and Trace Amounts of other gases. It's that molecular oxygen that is essential for life molecular oxygen is rare beyond the 10,000 Kilometers that the atmosphere extends above the Earth's surface.

In space, oxygen atoms bind with space dust, they react with hydrogen atoms and create water ice instead of molecular oxygen. But what if we could find breathable air all the way to the edges of the heliosphere. That's the boundary where the Sun's gravity is no longer as strong as that of other stars.

Would an expansive atmosphere mean you could travel anywhere in space and breathe like you do here on Earth? Wait. You're about to explore this breathable universe.

Besides that surprising breath of fresh air, there would be some other big changes you'd hear of you'd now be able to listen to the sun and the other planets. In the vacuum of space, sound can't travel that's because there are too few molecules between the planets and the stars to carry the vibrating sound waves. But in this new space atmosphere, those sound waves could travel great distances, so you'd not be able to hear everything loud and clear. The sun is constantly vibrating at different frequencies. It would be so loud that it would seem deafening even considering the great distance between our star and the Earth's surface.

It would still reach your ears at a volume of 125 decibels. Imagine going about your daily routine to a soundtrack similar to church bells only it would be as loud as thousands of police sirens. This would be annoying but it wouldn't be your biggest problem in the vacuum of space.

There's no friction. That means all the planets and moons, orbit, the sun, without losing speed or at least losing it very very slowly but now with outer space filled with air. All the planets would be slamming into air particles at very high speeds.

The Earth would experience the same fate as the Asteroids that enter our planet's atmosphere. The friction causes them to heat up and burn so, with the Earth currently orbiting the Sun at a velocity of 30 Kilometers per second, all that friction would leave us with nothing more than scorched surfaces. And this would be far from the end of the chaos.

Eventually the moon would slow to a complete stop. Yeah, then Earth's gravity would pull the Moon closer and that would result in a devastating Collision. If you survived through the scorched Earth, this crash would be the end for the whole planet. It would tear the Earth, apart the rest of the solar system. Wouldn't fare much better with so much air in it.

Our solar system could turn into a black hole. This is because all this air would have mass and with the radius of the heliosphere spanning 90 astronomical units, that's a lot of mass. Yeah, about 5 Billion times more than the sun itself.

So, if the sun's gravitational pull made, all this Mass compressed toward it the solar system would become increasingly dense if all that air compressed into a space. About 80% of the Earth's diameter. Dude witnessed the creation of a Black hole. I mean if you were still alive at that point, that's unlikely.

That Black hole would be about 1200 times more massive than the supermassive, lack hole in the middle of the Milky way. Okay at this point, you and I would be long gone and it might be for the best because it looks like these two gravitational monsters are about to collide but that's a story for another day.

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