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If an object with mass increases in speed, and increase in mass as it reaches the speed of light, can it control gravity?

I've thought about this, and most UFO's are depicted with a spinning bottom, could it spin close enough at the speed of light to control gravity? and if there is a way to travel the speed of dark(slower than stopped), will the mass decrease, causing a forced lack of gravity, thus propulsion?

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All things in the universe with mass have gravity, however miniscule. An object the same mass as the Earth, will have the same gravity, but nothing on earth can have enough mass to even register on its own really. It is possible for a disc to have a ring shaped jet engine turbine or simply a propeller with fins if it never came from space, but perhaps inner earth, perhaps area 51. It is unlikely anything came here from outside our solar system, given the nearest one is 20 light years away.

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no

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Sorry, that's so incredibly flawed, I couldnt even begin 2 explain why.

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OK first off, those depictions are peoples' ideas they made up in their heads. There's no viable scientific reasoning behind a spinning UFO.

Secondly, there is no "speed of dark" that I'm aware of, unless it's just a coined term - dark is simply the absence of light, and light is an actual thing.

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but without light, there can be no darkness, and without darkness, there is no light.
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Without light there is no darkness, because darkness is the absence of light. Light is a thing you can measure, manipulate, create. Just like cold is not a thing, it is just the absence of heat energy.
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and yet, without one, you cannot have the other.
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Like I said, one is simply the absence of another.
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An object approaching the speed of light increases in mass, true. But as it increases in mass it takes more and more energy to move it. BEFORE it can reach the speed of light, the increase in mass is so much that you can't carry enough fuel to move that much mass because adding more fuel adds even more mass.

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True, the object would become so massive that there wouldn't be enough energy in the universe to propel it
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In a word, no. Science fiction is not the same as science!

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but science fiction is often a prelude to science fact.
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True.
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It's great to see so many people thinking about this. Interesting and imaginative. Good question.
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Every object has mass. And the speed of dark is stopped...so slower then stopped would be backwards. An object moving really fast forwards, then backwards. Hmm... If it was running away from gravity and then it moved back, it would just get in it because it's moving towards it. And if it was moving towards the gravity and moved back, then it would go up, but then gravity would get it. Unless....unless it continually did this! Then it would constantly go up, and the object of mass could be the ship! So it zooms in at the speed of light towards a planet, and once on the planet, it goes backwards, causing it to go up. How it travels at the speed of light and stops- I have no idea. It sounds a lot like the butter toast/cat idea.

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Right. Dark does not move, it can be displaced by mass. There is no speed of dark
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But if light cannot escape the pull of a black hole, and darkness goes on, doesn't that mean that darkness is faster than light?
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Black holes are stronger, but not faster. I don't see them flying faster than the speed of light all around the universe. That would be worse than a hurricane!
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Right. Mass may displace dark, but dark doesn't move. There's no speed of dark.

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