Interesting Space Facts.
Discussion
R E S T E C P said:
Eric Mc said:
How do you know if civilisation lasts long enough to carry out such a monumental task?
What's killing them and when will it kill us?We are very lucky to have got this far. Bt in such discussions I think "when" is often forgotten about.
jmorgan said:
R E S T E C P said:
Eric Mc said:
How do you know if civilisation lasts long enough to carry out such a monumental task?
What's killing them and when will it kill us?We are very lucky to have got this far. Bt in such discussions I think "when" is often forgotten about.
BrerRabbit said:
In incremental steps over hundreds/thousands/millions or whatever number of years it's likely not a "monumental task" at all. We went from rowing across oceans to stepping on the moon in a few hundred years. Stepping stones.
Indeed we did but are we are the only measuring stick we have. I think it would be folly to expect aliens to do exactly as we do. Maybe they did faff around with a middle ages and went nuclear early on, maybe they had a nicer life and thought "space, meh!". Maybe the same rate. Until we meet one and ask them, we do not know. Well, meet on, I expect we find evidence in the planets first, probably never meet face to face.Or, maybe they are at this moment in time, a puddle of evolutionary goo with a few million years to go yet.
R E S T E C P said:
So where are they?
I like this description http://waitbutwhy.com/2014/05/fermi-paradox.htmlBrerRabbit said:
jmorgan said:
R E S T E C P said:
Eric Mc said:
How do you know if civilisation lasts long enough to carry out such a monumental task?
What's killing them and when will it kill us?We are very lucky to have got this far. Bt in such discussions I think "when" is often forgotten about.
Anything is possible.
colin_p said:
What about those planets that may have vanished as of a result of their civilisations messing about with large hadron colliders accidentally making black holes that consumed them, their planet, the neigbouring planets and their star?
Anything is possible.
Rather what is possible as we know it. The "how gig is space" bit, underlining that appears to be physics that we can measure. I appreciate we don't know it all, however looking at the way planets are being discovered and catalogues, I think it is a matter of time before we get some definitive answers. Inside a few years I hope.Anything is possible.
I also understand that to make a black hole, system killer size, you will need more mass than a planet can give?
Speaking of black holes, how do you find them?
Watch the stars around it. (in this case of course)
https://phys.org/news/2016-06-star-black-hole.html
And a very fast star indeed next year.
https://www.eso.org/public/unitedkingdom/videos/es...
Watch the stars around it. (in this case of course)
https://phys.org/news/2016-06-star-black-hole.html
And a very fast star indeed next year.
https://www.eso.org/public/unitedkingdom/videos/es...
Eric Mc said:
BrerRabbit said:
Eric Mc said:
I don't think you truly appreciate how mind boggingly big space is - as noted by Douglas Adams.
I don't think you truly appreciate how mind boggingly long there has been to achieve it - as noted by Enrico Fermi.jmorgan said:
colin_p said:
What about those planets that may have vanished as of a result of their civilisations messing about with large hadron colliders accidentally making black holes that consumed them, their planet, the neigbouring planets and their star?
Anything is possible.
Rather what is possible as we know it. The "how gig is space" bit, underlining that appears to be physics that we can measure. I appreciate we don't know it all, however looking at the way planets are being discovered and catalogues, I think it is a matter of time before we get some definitive answers. Inside a few years I hope.Anything is possible.
I also understand that to make a black hole, system killer size, you will need more mass than a planet can give?
As for definitive answers, it could cause chaos and in a good way. Nothing would focus everyones minds more than if alien spacecraft simulateously landed in St Peters Square and close to the black cube in mecca, the aliens got out and told everyone to stop being so silly.
Sadly though, it seems that no matter how advanced anyone gets, they simply will not be able to overcome the vast distances involved in space travel. What boggles my simple mind is even travalling as fast as it is possible to go, as we understand it and that being the speed of light, it would still take three years to get to the nearest star.
But my limited understanding is that travelling at near to light speed is impossible let alone exceeding it which would have to be achieved to be of any use. And assuming it was somehow possible, despite the emptyness of space it would only take one spec of stationary dust to be in the path of such a craft would end badly.
If mankind somehow survives and makes a good show of things, our descentants will get increasingly frustrated about being stuck on this little rock and being able to do a thing about it except maybe ever more daring hadron collider type black hole making experiments, imagine what the experiments would be like in say 500 or 1,000 years time.
colin_p said:
Sadly though, it seems that no matter how advanced anyone gets, they simply will not be able to overcome the vast distances involved in space travel. What boggles my simple mind is even travalling as fast as it is possible to go, as we understand it and that being the speed of light, it would still take three years to get to the nearest star.
You can overcome vast distances it just takes time, resources and planning/forethought - hence the stepping stone analogy. Colonizing the Milky Way is doable even using fossil fuels which is why there is a paradox.The 'time' taken to traverse the milky way being an insurmountable obstacle also displays a very anthropomorphic view and almost certainly wouldn't apply to Alien civilisations. 3 years would be nothing to a species that has an average life span of say 300 years.
All that aside, why no replicating probes? That in itself cancels out most of the arguments based upon time constraints.
NASA have been streaming the ISS' journey over our planet since November last year.
https://www.youtube.com/watch?v=ddFvjfvPnqk
Or with data:
https://www.youtube.com/watch?v=qzMQza8xZCc
https://www.youtube.com/watch?v=ddFvjfvPnqk
Or with data:
https://www.youtube.com/watch?v=qzMQza8xZCc
ash73 said:
jmorgan said:
Yeah, tried to watch that
I enjoyed it, quite bizarre at first but the Brian Cox / Noel Fielding combo worked well and Hannah Waddingham was magnificent in her star outfit. I had no idea she was the "shame" nun in GoT! Never seen anything quite like it.- cringe cringe cringe
Wish I'd seen it at Christmas it was very pantomime.
It was easier to appreciate when alcoholically compromised.
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