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Black holes
Message
De
13/01/2008 20:42:59
Neil Mc Donald
Cencom Systems P/L
The Sun, Australie
 
 
À
12/01/2008 19:57:00
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
Information générale
Forum:
Space
Catégorie:
Galaxies
Titre:
Divers
Thread ID:
01281383
Message ID:
01281516
Vues:
8
Hi,

If the big bang or big crunch formed the universe, what could be causing the universe to accelerate in its expansion, Newtonian physics states that this can't happen.

Also at what point does the acceleration stop, when we reach C, or do we just go trans warp and disappear into another dimension.

Also there is a great deal of energy being expended in this acceleration, where does it come from.

>>>Recently there were two interesting pieces of news, in the BBC, on the subject of supermassive black holes. Note: Every major galaxy is expected to have a supermassive black hole (millions or billions of Sun masses) in its center; the larger the galaxy, the larger the black hole.
>>>
>>>1. The largest black hole discovered so far - 16 billion Sun masses, 6 times the previous record: http://news.bbc.co.uk/2/hi/science/nature/7181877.stm
>>>
>>>2. Supermassive black holes are expected to rotate extremely fast: http://news.bbc.co.uk/2/hi/science/nature/7184526.stm
>>
>>Eventually and in spite of the expansion of the universe, black holes will come together and crush themselves into a singularity. Then another big bang. Then, a billion or so years later, I could be typing this nonsense again :) . . . . or not.
>>(Take that, Hawking!!)
>
>Please note that a billion years (American billion, or "short scale" billion - 1e9) is only a fraction of the current age of the Universe. From Wikipedia, article "Universe": "Based on experimental observations, the universe is 13.7±0.2 billion years old..."
>
>Also, it is now believed that the Universe expands at an ever-increasing rate. That is to say, strangely enough, the speed of expansion is increasing, not decreasing as was believed in the past.
Regards N Mc Donald
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