Dec. 20th, 2011

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jazzy_dave: (Default)
Last night I watched a downloaded Horizon programme that postulated what happened before the Big Bang.

(I must thank [livejournal.com profile] poliphilo for alerting me to this programme.)

Everything in the universe including dropping an apple has a cause and an effect, but the problem with the Big Bang is that everything came out of nothing, an event that had an effect without a cause. This is both counter intuitive and logically abhorrent to me, and some of the theories proposed in the programme are closer to the defunct steady state hypothesis of Frederick Hoyle.

Some of the idea suggest that the singularity at the beginning of space time was in a state of constant inflation, a state of an energy vacuum without matter, and that the Big Bang is not a unique event and could even be cyclical. Our universe could be an explosion of a super massive black hole event or that the expansion of the universe will come to a tipping point and re-collapse again. However, in special relativity time is a part of space so if the universe is in flux the so is time. In that sense a past and future becomes meaningless in universal time.

The idea I most favour is a multiverse consisting of membranes and that our universe is just one membrane colliding with another membrane causing the Big Bang in the first place.

I have now added this TV programme to the fascinating list of science programmes on my secondary hard drive. I think at some point I will need to watch it again.
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jazzy_dave: (Default)
Watching this programme tonight on Channel 5 about ALMA (the Atacama Large Millimetre / Submillimetre Array) and how they transported the satellite dishes up to the site, cousin posited the notion that we would never visit the stars and that this scientific endeavour of looking into the farthest reaches of space was futile.

I disagree. We are curious creatures and we will always endeavour to unravel the unknown. We have made great strides in understanding the cosmology of the universe, and whilst we may not see man go the stars in our lifetime, I am optimistic that one day we will reach the stars.

However, because space is a hostile environment, and that space is so immense, it will not be homo sapien that will travel to the stars but our future offspring, most likely intelligent machines, or perhaps genetically engineered humans, that will take on this vast task.

Our ingenuity alone will someday see us there, or we doomed as a species.

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