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Whatever speed an objet may gain while entering orbit should be lost when exiting it, right ?

That is true from the frame of reference of the planet. From the frame of a 3rd distant object that you want to accelerate towards, it appears you have gained momentum.

So I guess it’s the cinetic energy of the planet that is actually fuelling the spacecraft, isn’t it ?

Yes, but the mechanism for ‘extracting’ the kinetic energy from the planet is by using ‘gravity’, hence the name, “Gravitational Slingshot”.

While it’s true that your spacecraft would have to ‘counter that gravity’ to escape, that’s from the frame of reference of the planet. From the frame of reference of whatever distant object you want your craft to ‘accelerate’ towards, your craft will appear to have gained momentum. If it were a zero sum game- there would be no “gravitational slingshot” effect (aka gravity assist maneuver).

The way your spacecraft ‘steals’ kinetic energy from the planet it orbits is by using the “gravity” of the planet. The two objects never come into physical contact with one another, the mass of the ship and the mass of the planet effect each others path through space-time- although very slightly. That is to say they seem to ‘pull’ on each other- what we call gravity.

The Earth and the Moon likewise ‘steal’ energy from each other through ‘tidal’ interactions. This causes the Earth to rotate more slowly and the moon to recede from our planet- this is all due to ‘gravity’.

Black holes also have kinetic energy that you can ‘steal’, to boost yourself toward a third celestial body just like planets do.

Why wouldn’t it? A gravity well is a gravity well. As long as you remain outside the event horizon it should work in the same way.

ITT, a bunch of people who simultaneously admit that they don’t really know for sure arguing with the people explaining it to them.

It’s ok to not know things. It’s okay to be confused. It’s much better to ask for clarification or do your own research than to tell people who do know that they are wrong.

Why are we like this?

I was going to say I am column A and B, but I don’t cry about it.

We ARE miracles, we ARE “The Universe experiencing itself” and we are insignificant on the cosmic scale. Those things aren’t mutually exclusive.

Do funeral homes in Canada charge grieving families 10k to bury their loved ones?

It’s the same thing. The workers work, management just makes sure the workers work.

You’re the hero the company doesn’t deserve, but the one it needs right now.

When I was filling out paperwork for my last job, it had a space for ‘Country’, which I thought was odd, but I put in USA anyway. The manager who took it said to me “You were supposed to put what County you live in here.” I said “Read it again”

Apparently they had been using the same form for years and no one noticed it said ‘Country’.

I was looking at some PC’s at Best Buy and a salesman came up to try and give me the hard sell. I asked if I could buy the PC without Windows on it for a discount.

“How would you use your computer without Windows on it?”

“I’m going to install Linux”

“What’s that?”

“It’s an operating system”

Blank stare

“Like Windows or OS X…”

Blank Stare

Sigh “I already have a copy of Windows at home”

“Oh! Well I don’t think you can do that, no.”

I appreciate you taking the time to reply in detail, thanks :)

I’ve never heard of the Ruliad before- I will definitely look into that.

I appreciate your detailed answer, thank you for taking the time :D

Gracias, amigo

It’s confusing. I don’t understand what the difference is between something which is made of ‘a pure abstract concept’, specifically math, and a simulation- which is also made out of math.

I’m not saying it’s something ran on a computer somewhere, just that the abstract concepts that make up our universe, if it is “made of math”, clearly has rules that it obeys- like the speed of light in a vacuum or the other constants. Which would seem to be analogous to parameters in a more traditional simulation. If ‘math’ is something that exists independent of sentient beings, couldn’t whatever that is be the ‘thing’ that the ‘simulation’ is ran on?

I guess where I’m getting hung up is the idea that the universe can be ‘made of’ something that has no ‘reality’. Am I just misunderstanding what it’s meant by ‘made of math’? Like even if math is ‘discovered’, how would that be any different than us inventing it, if it exists ‘without any reality’?

To be fair, there is lots of stuff I don’t understand, but I am trying- go easy on me.

I was being cheeky about the ‘cheat mode’ thing (unless it’s real then I’m in).

I’ve heard that ‘our reality is made of math’ before. Does this mean that we do in fact live in a simulation, even if that simulation wasn’t necessarily programmed by ‘higher dimensional’ beings?

If that is the case, could we conceivably ‘hack’ the universal code and unlock cheat mode?

And an infinitely dense point in spacetime doesn’t necessarily exist: it’s just what general relativity predicts is at the center of a black hole.

If the singularity at the center of a black hole didn’t exist, and was just extremely dense instead, would all of the other properties that we know is true about black holes be able to exist? For example we know that Sag A* and that one other black hole we ‘imaged’ give off no light, would that still be possible without a singularity?

userface checks out

A living creature shouldn’t be turned in a commercial product for multiple reasons.

In theory, I disagree with this. Meat and other products made from animals such as leather and the trading of such products has been a big part of human culture and lifestyle since long before recorded history. There is some evidence that energy dense meat is at least party responsible for our evolution into what we are today. Leather and wool are amazing materials with properties that it’s still very difficult and expensive to replicate if its possible at all. Done humanely, it not only benefits humans but he animals in question themselves- as we are actively invested in their survival and well being. If and when we can make synthetic meat, leather, and wool, or alternatives with all the same properties and benefits as the ‘real’ thing, then I could be persuaded that is better.

In practice it becomes a big problem when we add Capitalism into the mix. Capitalism is exploitative by nature, and if it exploits human beings of course it’s going to do the same for animals. Ethics and morality are given the backseat to greed and profit. The most exploited workers can often not afford ethical alternatives when those options do exist.

I’m not saying we shouldn’t still strive to reduce meat consumption and improve conditions for livestock, but we should also recognize that capitalism is a huge part of the problem and always will be. If we want to improve the lives of humans and animals, we need to do away with it.

That was beautiful