JohnStu

Understood. But what about another black hole?

 

 

 

Yes theortically another black hole will affect a nearby black hole.

So..that matter+energy of Universe is constant...is also an hypothesis?

Nope, that is not hypothesis. But antimatter and dark matter have not been solidly confirmed.

For me, total matter + energy of the Universe is constant, with the definition of energy being everything except matter.

Remember, everything about antimatter and darkmatter is hypothesis.

Has anybody got an insight on weather this is possible?:

 

If two black holes of a similar size were attracted to each others gravitational pull, would the effect on the light absorbed by each black hole be negated for any period of time?

 

If so, what would we gain from this knowledge? I read somewhere recently that if a human was able to reach a large black hole, one which is large enough to have its effects on passing its event horizon were slowed way down, then that human would be able to see everything that ever has or ever will be sucked into the black hole, including things from the beginning of the universe, because of the speed you are travelling and its effects on time.

 

Would there ever be a use for creating a particle with technology such as the LHC, that is that massive, that we could use it to affect a black hole?

 

Thought and opinions please.

Mankind affecting blackholes? Not possible, since the mass of any blackhole along is at least I forgot how many times that of all things made by human right now.

Why heavy particles are more difficult to change their velocity orbits than small ones ?

 

Heavy particles have much more affinity to surround something(back ground particles or field) than smaller ones.

So, To change heavy particle orbit, we must change not only heavy particle's orbit, but also many surround something' state.

 

Smaller particles have small affinity to surround something.

So small affinity particle has small mass like electron.

Agreed

Psst, we do not have enough nuclear weapons to destroy the planet. But we do have enough to bomb enough modern cities.

Big Bang eh?

Hmm, ever think that maybe we are made up of nothing? Maybe, maybe nothing is something?

just like how 0 is a number

Hi,

Im 13 and I'm wondering how I can go about learning getting into astrophysics.

What should I learn before hand? Where can I learn the aforementioned?

I'm no where near the educational year where we learn astrophysics and physics in general so I don't have a massive understanding of a lot of things and my teachers are often to lazy to help me learn this advanced stuff and they tend to suggest I 'Revise my knowledge of atomic structures' which I already know about anyway. Im just starting to do GCSE's and I'm already ahead of my class. While they're trying to comprehend the basic idea of Protons, Neutrons, Electrons etc. I have a solid knowledge of ionisation, isotopes etc. So this is why instead of spending my time revising the chemistry I already know, I want to move onto something that I have a much greater interest in.

I may of rambled on a bit, but nevertheless, I hope you can understand my position and my frustration with these limitations in school so I hope you can help!

Many thanks,

Josh.

I also faced tremendous limitations in my school though it was a pretty smart one.

To study astrophysics I recommend go to hubble telescope site to stir interests. And watch shows like NOVA to know about string theory briefly and how blackholes, light speed, and space-time, Big Bang Theory ties in together.

I've had my thoughts on that. I don't think you can reach a location where the laws are different on the same 3D plane as this one.

In short, laws are are patterns derived from examining matters. If a substance whose law is different, it wouldn't be able to react with the matters we are able to interact with.

yes the atoms that make up the bag do move away from the original center, but the volume of the inside of the closed bag has increased, and if it is not filled by atoms, then what is it filled with?

Hmm, well, the bag is filled with empty space. Space itself is a not substance. it is more like result of observing photons that our brains generate this "space".

When one makes the bag larger in a vacuum, since space is not a substance, it does not react with the bag at all, rather it stays the same (I am talking about space here not Einstein's space-time construct), so when the bag volumn is increased, we do not consider space, as it does not fill up, but rather is a grid. I think of space as a grid, we don't say did grid fill up the bag, but rather on what coordiantes are the bag's atoms at/were.

I have two questions, first i want to know if there is anything else other than atoms that can fill up empty space, for example if i have an empty bag, with nothing in it, can it be filled with photons, electrons, or something else?

 

second, if you have an empty bag, but there is a mechanical apparatus that expands the bag, what will the empty space be filled with?

When the bag is expanded, we say the atoms that made up the bag has moved its location further away from its original centre. The empty space is not expanded, it remains the same in this process.

Based on Wikipedia:

 

1. Star birth at the center of the galaxy:

"The region where the Scutum–Centaurus Arm arm connects tothe bar of the galaxy is rich in star-forming regions"

"The current hypothesisis that the bar structure acts as a type of stellar nursery,fueling star birthat their centers".

 

 

2. Older stars as move outwards from the center:

"The metallicity of anastronomical object may provide an indication of its age… older stars havelower metallicities than younger stars such as our Sun".

"Across the MilkyWay, metallicity is higher in the galactic centre anddecreases as one moves outwards".

"Population I or metal-rich stars are thoseyoung stars whose metallicity is highest. The Earth's Sun is an example of a metal-richstar. These are common in the spiralarms of the Milky Waygalaxy".

 

 

3. Very Old stars at the dwarf galaxies arround the Milky way:

"Ursa dwarf ellipticalgalaxy: By Wikipedia "The galaxy consists mainly of older stars and there appears to be little to noongoing star formation in the Ursa Minor Dwarf galaxy"

"Antlia Dwarf: ByWikipedia "The galaxy contains stars of all ages but is dominated by oldstars with the age of more than 10 billion year".

 

Question?

 

If the stars are getting older as move outwards from the galaxy center, does it mean that the stars are moving outwards?

"Older stars as move outwards from the center"

Could you rephrase that please

My view on wormholes is that wormholes do not exist in reality. It is out of inflated confidance that led to belief or such things, just like how 16th century scientists thought only Earth has moons.

There is no actual point in life. It's all lies, yet all truth.

What is the whole point of life? I want to know what people think about this. Or even if there is no point at all and we are just here. Or if there is a higher conscious level being out there with a plan? What is the Point of life?

The point of life is to either believe in the illusion and get a chance to live upto a certain time duration or not believe in the illusion and die.

That's the exact quote I have in my unpublished book about philosophy and human psychology.

1)in mathematics a⁰ =1 , when a not equal to zero. My question is how ' a multiplies 0 times is equal 1"??????

2) vector a - vector a= null vector. What would be its direction?Is that a vector?

3) parameter of a circle is equals pi r ² . why we use pi instead of a constant number 22/7?????

1)the expression a⁰ =1 does not mean a multiply 0 times, but a divides itself one time. a⁰ = a / a = 1

Having music for science would be like having music for blacksmithing. You can't do that without ending up having some comedy in the song.

Anything too specific for a song is not a good song. Songs are all broad.

the first atom was hydrogen (a proton one electron), yes, but at what temperature

How many spins around the centre of the galaxy has the solar system made in the last billion years?

Most of the genes are the same, but those genes dont give you the identity. They are reponsible for protein synthesis and other basic stuff such as forming organs.

Yes. On average. Men do often talk or think about females. But females tend to only think of males when they are arroused.

Males also have higher brain activity than females; higher IQs; bigger brain mass.

Tax should be mostly used to build/enhance factories and innovation. Factories are very profitable. They are are usually too big for individuals from society to afford to build or even want to build. State has the cash to afford and also connection with all the experts needed.

ok.. simple question... I am asking for help.

does anyone know how to isolate, EASILY.. CHEAPLY.. the isotopes of mercury???

I seek and desire Hg 196... which naturally.. is .15% of all naturally occuring mercury.

 

Any thoughts???

 

-Mosheh Thezion

Oh, what do you need it for. How come Hg 196. Is it radioactive lol.

My input would be the process would cost millions, certainly not cheap and takes weeks, minimum.

The disappearance of a specie does affect the survival of their predators, and changes populations of other related and predated.

 

What ecological bad could come if all mosquitoes cease to exist ? Less frogs and salamanders perhaps ? Would that trigger a major disruption in ecology ?

Not a lot I gotta say if all mosquitoes cease to exist. The swamps do not associate well with the other environments anyways such as forest, plains, flood plains, hills, grassland, rivers. The cloest to swamp I can think of is jungle. Which is highly inhabitable to humans and most other mammals, unless terraformed that is.

Seems to me the coporations don't want outsource to stop. They would rather pay $0.71 labor cost per unit than the whopping 19$ labor cost in US/Canada.

Labor is a bit overly cheap in China and labor cost is too high in US. I see minimum wage people here in US driving cars and buying designer clothing? Awkward.

A mixture of the labor cost of both countries would even things out more.