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its big
check it out.
check it out.
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hah, not as big as a lot of ego's on here. 
it's still less than 100 years (just about) since the concept and reality that there is a zillion galaxies beyond what we see with the eye.
if you think IC 1101 is big? try googling the Bootes void.
it's still less than 100 years (just about) since the concept and reality that there is a zillion galaxies beyond what we see with the eye.
if you think IC 1101 is big? try googling the Bootes void.
Anyone done the maths on "Dark matter"?
I did when I was bored one day.
Basically, the proposition for dark matter, (and the 2 Nobel prizes for it) is based on the theory that the
measurements show that the universe is not only expanding (Expected if you go with the big bang) but it's
expansion is accelerating. Which kind of contradicts a big bang theory... or.... jig the maths and create
something called dark matter so as to maths add up ( Scientists like it when the maths adds up and makes a cup of tea ).
Anyway, I was curious, so I looked it all up, can't remember the exact numbers and it was in goobldy **** anyway, but
it was something like 57km/sec/megaparsec.
if you crunch all that into something half relateable……….
1 meter will increase its expansion by less than 1 millionth of a millimetre over 1 million years.
not phucking much.
Yes, I've had a drink
I did when I was bored one day.
Basically, the proposition for dark matter, (and the 2 Nobel prizes for it) is based on the theory that the
measurements show that the universe is not only expanding (Expected if you go with the big bang) but it's
expansion is accelerating. Which kind of contradicts a big bang theory... or.... jig the maths and create
something called dark matter so as to maths add up ( Scientists like it when the maths adds up and makes a cup of tea ).
Anyway, I was curious, so I looked it all up, can't remember the exact numbers and it was in goobldy **** anyway, but
it was something like 57km/sec/megaparsec.
if you crunch all that into something half relateable……….
1 meter will increase its expansion by less than 1 millionth of a millimetre over 1 million years.
not phucking much.
Yes, I've had a drink
I reckon it's a big suck not a big bang. Imagine something sucking the universe outwards rather than being blown apart from a bang. With a bang it will slow down with a suck it will accelerate.
Yes, I've had a drink as well.
Yes, I've had a drink as well.
It could still just be the equivalent of a grape in the Atlantic ocean Brassie.
100 trillion stars. I wonder if there's any life there.
The Milky Way is expected to collide with the Andromeda Galaxy in around 4 billion years.
The Milky Way is expected to collide with the Andromeda Galaxy in around 4 billion years.
I Will NOT believe any of the above crap until the Daily Mail references it with house prices! :)
I agree with nick, hope I'm not around when it happens ...
It's not a complete disaster - the two will eventually merge into a single new galaxy called Milkomeda.
From Wiki:
The Andromeda–Milky Way collision is a galactic collision predicted to occur in about 4 billion years between two galaxies in the Local Group—the Milky Way (which contains the Solar System and Earth) and the Andromeda Galaxy. The stars involved are sufficiently far apart that it is improbable that any of them will individually collide. Some stars will be ejected from the resulting galaxy, nicknamed Milkomeda or Milkdromeda
From Wiki:
The Andromeda–Milky Way collision is a galactic collision predicted to occur in about 4 billion years between two galaxies in the Local Group—the Milky Way (which contains the Solar System and Earth) and the Andromeda Galaxy. The stars involved are sufficiently far apart that it is improbable that any of them will individually collide. Some stars will be ejected from the resulting galaxy, nicknamed Milkomeda or Milkdromeda
Amazing isn't it? They can predict an event 4 billion years away but they can't predict the weather tomorrow. Go figure 
You should thank your stars they cant predict the weather accurately beyond 3 days.
If they could they could ultimately unravel chaos theory which would mean they could determine the pattern of random events.
If somebody could do that do you honestly think it wouldnt be used nefariously?
If they could they could ultimately unravel chaos theory which would mean they could determine the pattern of random events.
If somebody could do that do you honestly think it wouldnt be used nefariously?
what came first, the chicken or the egg?
eggs have been "a thing" several hundred million years longer than chickens have.
eggs have been "a thing" several hundred million years longer than chickens have.
Escapee: I understand you've had a drink, but when you say ...
1 meter will increase its expansion by less than 1 millionth of a millimetre over 1 million years.
what does 'increase its expansion' mean please? Do you mean 'increase its rate of expansion'?
If so, an increase in the rate of expansion by a factor of one billionth every million years strikes me as a big deal, bearing in mind the universe will have been doing this for 14,000 million years ... and in three dimensions too. No wonder the astrophysicists are convinced there must be something pretty hefty missing from our observations to cause that to happen.
1 meter will increase its expansion by less than 1 millionth of a millimetre over 1 million years.
what does 'increase its expansion' mean please? Do you mean 'increase its rate of expansion'?
If so, an increase in the rate of expansion by a factor of one billionth every million years strikes me as a big deal, bearing in mind the universe will have been doing this for 14,000 million years ... and in three dimensions too. No wonder the astrophysicists are convinced there must be something pretty hefty missing from our observations to cause that to happen.
It'll take ages for the galaxies to collide, a few billion years. The gravitational pulls make for a sort of long drawn out dance where they pass near to and through each other, before coalescing into one big galaxy. It can be seen all over the place at differing stages.
I remember watching some stupid US 'documentary' on one of the minor channels a few years ago, it was called "When galaxies collide!!!". A load of scaremongering rubbish.
Not only, like everything else to do with the universe, would it take ages, but it'd be barely noticeable as it happened.
I suppose if enough galaxies collide, they get to be like this big one.
Incidentally, milkdromeda is better than Andy Way.
I remember watching some stupid US 'documentary' on one of the minor channels a few years ago, it was called "When galaxies collide!!!". A load of scaremongering rubbish.
Not only, like everything else to do with the universe, would it take ages, but it'd be barely noticeable as it happened.
I suppose if enough galaxies collide, they get to be like this big one.
Incidentally, milkdromeda is better than Andy Way.
They have recently been observing the collision of two large galaxies and appear to have decided by virtue of the x-rays emitted by the event that their theories about dark matter are now incontrovertible - namely that it does exist, and that it does indeed constitute the mass required to fit their models of the Universe.
I can't remember the name of the galaxies or the researchers involved, but it was in the science news this week and should be easy to find for those interested in such things.
I can't remember the name of the galaxies or the researchers involved, but it was in the science news this week and should be easy to find for those interested in such things.
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