If space is a vacuum then ,what hold the galaxies up right?

Question

Space time?more space warping?

Answer 1

new research show that galaxies are held together by dark matter which until recently there was little or no evidence of,however i believe the massiveness of the entire universe is actually exerting pressure ever so slightly upon the galaxies and that force is squeezing them upon a tightly wound black hole which appears to be a gravitational force, but i compare it to all the water in a tub pressing itself gently into a whirlpool as it goes down the drain...yes it is gravity pulling it down the drain but if that same whirlpool was in space it would have more similarities to a black hole

Answer 2

Ok, if the concept of holding sumthing up is due to the fact that sumthing has to b pulling it down, then theres gravity acting on it or an outside force. Since worlds and planets are so large, they r able to hold 2gether and stay kool wit each other. Also, since theres nothing holding them down, then they simply dont fall downward, nor stay up. I guess they just sit there, floating. Simply floating and spinning till time allows them to stop, or sumthing stupid happens to us that causes us to die off. If this is confusing, then thanx 4 the 2 points...BOO-YA!!!

Answer 3

Who says the galaxies are upright maybe they are diagonal.

Gravity and centricular force holds our orbit to the sun. The sun is also moving.

Answer 4

galaxy stays up because there is nothing to pull them down.

if the question is what makes the galaxy stay in one piece and not disperse, then the answer is its own gravity. if something is large enough, its gravity is strong enough to shape itself.

it also doesnt matter if a galaxy was upright, upside down or sideways. if you are on the moon, a man on the north pole is upright, the man on the south pole is upside down. but both men are upright with respect to the centre of the earth where gravity acts towards. therefore upright and upsidedown are irrelevant to the external viewer.

what follows from here is my response to daniel C. if you are not interested, please scroll down to black_luster_soldier's response which is more or less correct.

Daniel C, which part of my explanation do you not comprehend? if there is no external force then there is no net movement. the galaxy does not "fall" because falling is a concept fundamentally linked to the force of gravity due to a larger mass. if there is no larger object then the galaxy in proximity then the galaxy does not "fall" towards that larger object. anything that was not pulled will not move. to put it simply, the galaxy stays up because there is nothing to pull it down. sorry if that was too simple for you.

my dear Daniel, when the question asks about a galaxy being "up" or not, it inherently implies a wrong understanding of what up means in outer space. up is relative; on its own, it is meaningless. also, a galaxy in a certain state stays in that state unless a force is introduced. my dear, again, the galaxy does not budge because there is not much to budge it.

the galaxy has a velocity conserved from the big bang, or whatever origin theory that floats your skirt. this doesnt change the concept of my answer because you are moving at the same velocity as this galaxy we are talking about. if you are not moving at the same velocity, then you are not in the correct(same) reference frame to compare other relative differences such as the galaxy moving "up" or "down" with respect to you.

true knowledge is knowing that one knows nothing. -Socrates. you would be one of the few who would call Socrates a fool. it means that all our earned knowledge is negligible in size compared to all the mysteries yet to be discovered. but you probably misunderstood that too. i am not surprised.

Answer 5

They are not upright. They are at angles and sideways and all that stuff. The gravity factors between objects cause an object to hold it's self in place relative to other objects.

Answer 6

Gravity holds galaxies together.

Answer 7

Greg,

What I argue is that you don't know how the galaxies came into existence, so you are committing hubris.

You don't know what you claim to know about the galaxies, you just believe you know. However, we can go on arguing about what we know and what we don't know until the cows come home.

What are you talking about? I said you were the fool.

And in case you haven't read any of Plato's dialogues, Socrates did not believe himself to be wise. Why'd you even bring up Socrates? He believed only the gods knew about the skies (which would include galaxies).

So go ahead and believe everything Socrates said. Would you go as far as saying any philosopher that disagreed with Socrates is a fool?

So saying that Socrates didn't believe himself to be wise and telling you that he didn't claim to know anything about the skies implies he is very wise. What else did I say about Socrates? Where do you make that judgement from?

You're the one who brought up Socrates' quote. I said you were unwise to use that definition and still make claims, and you inferred (somehow) that I said Socrates was not wise. You make no sense and I pity your senseless babble.

Answer 8

things dont need to move in a vacuum because there isnt gravity.

Answer 9

nothing is holding them up. they're moving so fast they don't need anything holding them up, and where would the gravity nescessary to pull them down come from?

Answer 10

Perhaps the Kirby upright has something to do with it.