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I hate the fermi paradox by Otto Struve - Sat, 30 Jan 2016 02:53:49 EST ID:Y6cuAVAn No.55979 Ignore Report Reply Quick Reply
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The Fermi paradox is not a fucking paradox. It's completely reasonable that in a universe this large and the short amount of time we have had are ears open looking for radio broadcasts AND the fact that intelligent life evolving or even evolving with the senses that would make radio waves a logical invention for them is highly unlikely. Given what we know about how many planets are in the habitable zones of stars.

It's totally reasonable that we have not heard a thing from anyone. Maybe if we listened for like I don't know 3 million years THEN we can safely say "yes fermi was right this IS a pardox" can anyone prove this idea wrong?
67 posts and 12 images omitted. Click Reply to view.
Tycho Brahe - Wed, 02 Mar 2016 07:35:46 EST ID:feK9r3AW No.56115 Ignore Report Quick Reply
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Edwin Salpeter - Mon, 14 Mar 2016 18:28:04 EST ID:CI7HCp3k No.56126 Ignore Report Quick Reply
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It boils down to the Drake Equation and imho the probability of microbiological life evolving on habitable planets.
To quote wikipedia:
And now the tremendous pitfall:
>f_i is the fraction of habitable planets where microbial life arises. Ward and Brownlee believe this fraction is unlikely to be small.

This could be incredible small for all we know. From the current understanding of microbiology cell organelles are hypothesized to have formed from random convergence. Considering the relative size of these (in terms of number of molecules) it might turn out to be incredible improbable to happen.
Joseph Taylor Jr. - Tue, 15 Mar 2016 12:34:15 EST ID:YHjXylC8 No.56127 Ignore Report Quick Reply
But evidence of life starts very soon after the earth cooled.
This implies either those molecules are incredibly likely to occur on a scale of millions of years, and certain to occur on a scale of billions of years given pre-earthlike conditions.
Joseph Taylor Jr. - Tue, 15 Mar 2016 14:51:44 EST ID:YHjXylC8 No.56128 Ignore Report Quick Reply
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*This implies those molecules are incredibly likely to occur on a scale of millions of years, and certain to occur on a scale of billions of years given pre-earthlike conditions.
Bart Bok - Thu, 17 Mar 2016 03:05:33 EST ID:3t/weoS/ No.56130 Ignore Report Quick Reply

For prokaryotes it seems the odds are in their favor, but eukaryotic life which is near required for multicellular life needed almost half the lifetime of Earth to develop. Which makes sense as they were born from symbiotic relationships between different prokaryotes, something that need specific spesializations to occur beforehand.

Is the big bang happening constanty? by John Wheeler - Sat, 12 Mar 2016 11:21:59 EST ID:D/M9znoO No.56118 Ignore Report Reply Quick Reply
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My physics teacher has a theory that if the big bang theory then why can't it happen again
Is it possible that the universe is expanding because of big bangs are happening constantly?
How does this fit with the big bounce theory?
The first issue I see is how the big bangs are being formed and in what enviroments.
Allan Sandage - Sat, 12 Mar 2016 14:24:22 EST ID:3t/weoS/ No.56119 Ignore Report Quick Reply
>Is the big bang happening constantly?

In a way, yes. There was no definite point where whatever before went boom. Rather, the Big Bang refers to the inflation of the size of the universe, right after its inception. And by inception scientists means the time when current physical laws came into existence. As the universe (read; space itself) still increases in size, you could say that the inflation(in other words the big bang) never stopped. It just reduced its speed.

In a way, you could say that the universe is the Big Bang, as the point the concept refers to set everything in motion and thus is an extended part of it.
William de Sitter - Sat, 12 Mar 2016 15:08:48 EST ID:pjhpxsvC No.56120 Ignore Report Quick Reply
I gotta add that there are hypotheses based on theoretical math that inflation is a neverending process, that is constantly spawning "universes" in different places from our universe.

I dunno man, I watched a lot of documentaries on theoretical physics when I smoked weed everyday and grew my own mushrooms and tripped every two weeks because tripping while listening to some astrophysics documentary is a fantastic way to get lost in closed-eye-visuals of space.
Kiyotsugu Hirayama - Sat, 12 Mar 2016 20:37:36 EST ID:D/M9znoO No.56121 Ignore Report Quick Reply
The universe is weird and scary.
Thanks for answering my question
Kiyotsugu Hirayama - Sat, 12 Mar 2016 23:18:33 EST ID:D/M9znoO No.56122 Ignore Report Quick Reply
whoops I should have replied to you and not the other guy lol
thought you were the same didnt check ID

Van Allen Belts Proven to be "to lethal to travel in" by Allan Sandage - Wed, 20 Jan 2016 18:13:58 EST ID:sV+7XGwN No.55944 Ignore Report Reply Quick Reply
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The Van Allen belts put out radiation that can be extremely detrimental to a persons health and could even lead to death. NASA itself has claimed it can't get through the radiation belts.


Now that NASA has tentatively acknowledged that the Van Allen Belts can't be passed, how is it we were able to land a man on the moon?

>the answer may surprise you

New evidence shows that robotic drone type machines may have been used inside the Apollo astronauts suits while the astronauts remained safely in low earth orbit. Apollo 9 tested that astronauts could survive in low earth orbit below the 1,000 km mark where the Van Allen Belts begin.

>The clunky mechanical engineering of the time combined with the human publics unawareness of how gravity on the moon effects objects differently than on Earth lead to this kind of Qausi-hoax to be implemented.

>It was implemented not for some nefarious reason but rather to protect our astronauts from dieing the minute they entered the belts, haven't you ever wondered why they keep the International Space Station so low in orbit?
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William Herschel - Wed, 27 Jan 2016 21:26:58 EST ID:NwG2VzXF No.55977 Ignore Report Quick Reply

That's true of any space mission, really. Imagine how the guys in Gemini felt.
James van Allen - Mon, 15 Feb 2016 03:32:17 EST ID:f/Tl+D5o No.56056 Ignore Report Quick Reply
>>55949 they must like their electrons fast and energetic then...
because how else are aliens going to contact us?
anyway's I was originally thinking they need clear space for experiments, and forgot about the Van Allen's.
Kiyotsugu Hirayama - Fri, 26 Feb 2016 14:57:58 EST ID:bUVcT3Vi No.56092 Ignore Report Quick Reply
The Van Allen belts would flash cook a person trying to go through them in a capsule
Margaret Burbidge - Sat, 27 Feb 2016 13:46:11 EST ID:vB+y87GU No.56099 Ignore Report Quick Reply
Then how did the Apollo astronauts get through them?
Friedrich von Struve - Sat, 27 Feb 2016 14:01:24 EST ID:pgmu6mYO No.56100 Ignore Report Quick Reply
It's called space dipshit

LIGO Detects Gravitational Waves by William Fowler - Thu, 11 Feb 2016 11:18:29 EST ID:y/fkgY/C No.56038 Ignore Report Reply Quick Reply
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>Based on the observed signals, LIGO scientists estimate that the black holes for this event were about 29 and 36 times the mass of the sun, and the event took place 1.3 billion years ago. About 3 times the mass of the sun was converted into gravitational waves in a fraction of a second — with a peak power output about 50 times that of the whole visible universe. By looking at the time of arrival of the signals — the detector in Livingston recorded the event 7 milliseconds before the detector in Hanford — scientists can say that the source was located in the Southern Hemisphere.

Get hype!
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George Airy - Tue, 16 Feb 2016 05:42:46 EST ID:f/Tl+D5o No.56060 Ignore Report Quick Reply
>>56044 Biff snucked in another trip and and we are all living in the crap time line.
Rudolph Minkowski - Wed, 17 Feb 2016 18:01:09 EST ID:QDdocS9H No.56061 Ignore Report Quick Reply
What happens if it breaks down or malfunctions in some other way? It would suck to wind up stranded in the middle of nowhere at night and unable to do anything because no one knows how to drive or repair cars anymore except for trained specialists.
Cecelia Payne-Gaposchkin - Thu, 18 Feb 2016 20:18:57 EST ID:415JX8nG No.56065 Ignore Report Quick Reply

I was thinking about that too brotha, but I guess electric cars are built with a multitude of systems to create redundancy; multiple brake systems in case the pressure gets lost it one, it just switches to another system for example.

It really emphasizes how cheap mechanics have become
William Herschel - Sat, 20 Feb 2016 17:14:58 EST ID:fDZ3h+Vd No.56072 Ignore Report Quick Reply
This, incase of malfunction the cars on the road today that have autonomous driving of some sort already have systems in place that bring the car to gentle stop and ofcourse they include/would include some kind of manual control.
Carl Seyfert - Sun, 21 Feb 2016 04:51:26 EST ID:Yyh+3hGH No.56073 Ignore Report Quick Reply
Inb4 assholes figure out that putting more mannequins in the path of an AI car than it's carrying passengers will cause it to decide to crash into a barrier rather than into the fake people on the road, and hackers reprogram your car for to deliver you and your valuables to a location conveniently absent of police and witnesses.

Planet Nine by Jacob Kapteyn - Wed, 20 Jan 2016 21:32:30 EST ID:bnm9ITDo No.55945 Ignore Report Reply Quick Reply
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Scientists have found evidence for a new, ninth planet in our solar system with a mass around ten times that of Earth. Get hype.

11 posts and 2 images omitted. Click Reply to view.
Urbain Le Verrier - Sun, 31 Jan 2016 16:29:37 EST ID:9zk8Lirz No.55993 Ignore Report Quick Reply
>Cable TV is bust.
Anders Angstrom - Sun, 31 Jan 2016 23:24:33 EST ID:oigSnnJc No.55994 Ignore Report Quick Reply
Its pretty neat in theory, but we can't fully accept it as fact until we have direct observation. Which will be incredibly hard. Think of it like this: whatever is out there is incredibly faint , even with a high albedo, due to its distance from the sun. Next, it will also be incredibly cold. If it is gaseous then its outer gas envelope will be downright frigid.

To find this object which is faint and cold, we will need very powerful infrared telescopes, which are unfortunately rather lacking right now. And also, based on the orbits of perturbed KBO's and sednoids, the object is likely at its aphelion of its orbit, meaning its at the point farthest away from the sun, making it more faint and difficult to detect.

Idk guys, people have theorized "planet nine" for quite awhile. I'll wait until they come out with a peer reviewed paper with 6σ correlations.
A Wizard - Mon, 01 Feb 2016 01:48:15 EST ID:0HhPnpAt No.55995 Ignore Report Quick Reply
It's a giant ball of shit for all I care
William de Sitter - Wed, 03 Feb 2016 14:35:11 EST ID:fDZ3h+Vd No.56010 Ignore Report Quick Reply
I've been wondering, is the Kepler powerful enough for this? If so we should find out in 2018.
John Riccioli - Mon, 08 Feb 2016 10:36:07 EST ID:8UyygmWs No.56025 Ignore Report Quick Reply
i love to hear this

Pluto is a planet again by George Herbig - Mon, 13 Oct 2014 13:08:55 EST ID:CLrN9E3V No.54501 Ignore Report Reply Quick Reply
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as of oct 2nd 2014 pluto's a planet what are your thoughts /sagan/
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Bernard-Ferdinand Lyot - Sat, 06 Feb 2016 05:48:03 EST ID:cQBIryFa No.56016 Ignore Report Quick Reply
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>Any strict border of planet/dwarf planet would be arbitrary.
Not really.
The IAU defines a planet as having enough mass so that it's gravity pulls it into a roughly spherical shape.
Pluto clearly meets this qualification (as does Ceres and many others), but fails on the second requirement: that it has cleared its orbit of similar sized bodies.
Rudolph Minkowski - Sat, 06 Feb 2016 09:35:45 EST ID:s6y07R4Z No.56018 Ignore Report Quick Reply
>fails on the second requirement: that it has cleared its orbit of similar sized bodies

I'm sure we'll find earth-sized bodies sharing the same orbit and rethink that silly notion.
Caroline Herschel - Sun, 07 Feb 2016 03:26:52 EST ID:tQX5ylFX No.56020 Ignore Report Quick Reply
How does it turn?
Henry Draper - Sun, 07 Feb 2016 04:00:14 EST ID:YHjXylC8 No.56021 Ignore Report Quick Reply
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Unless they were directly opposed, they'd collide or fling eachother into funny orbits eventually. Though smaller planets further out would take longer.
There's a reason planets tend to fall into an orbital resonance.
Thomas Henderson - Sun, 07 Feb 2016 19:40:58 EST ID:+iTpAL43 No.56022 Ignore Report Quick Reply
I love you Pluto

Cut and dry, Black and White (-Holes) by Space Shimapanzee - Thu, 21 May 2015 17:47:06 EST ID:KymFiCZg No.55338 Ignore Report Reply Quick Reply
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I'm a layperson scurrying across the floor of /sagan/, please don't annihilate me.

Is there any reason white holes would exist? From what I understand black holes just keep growing, gaining in mass and gravity magnitude in relation to their mass. Their ultra-compact density is what gives them their swag about the vacuum of space.

If white holes were real, then how would black holes continue to grow and increase their gravity? Debris, planets, stars and other space stuff 'slows' as it reaches the center of the hole as I understand it. Would that mean filling a water balloon with a tiny leak in it is a good analogy for what's theoretically happening?
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Karl Jansky - Wed, 16 Dec 2015 02:51:30 EST ID:gRBEStbH No.55881 Ignore Report Quick Reply
"A white hole is something that nothing can enter, things can only leave."

Does that then mean that nothing can leave?
Maybe the white-hole is just a firewall. It could behave like the boundry between systems that have reached maximum entropy (BH's).
Edwin Salpeter - Mon, 11 Jan 2016 20:16:03 EST ID:Kw4IREJy No.55924 Ignore Report Quick Reply

Why can't it be entered?

I hate physics.

>"you can't I enter white hole"
>"Eisenstein said so"
Walter Baade - Mon, 11 Jan 2016 23:10:45 EST ID:x7oDvr/y No.55925 Ignore Report Quick Reply
Overly simplified version: Einstine's math allows for the opposite side of gravity, repellent gravity. Instead of pushing down on the fabric of space time and making a 'dent' it is pushing up and making a 'hill', kinda. Just like the gravity of a blackhole is strong enough to keep light from escaping, the gravity of a whitehole is repellent enough that light cannot breach it.
Joseph von Fraunhofer - Tue, 12 Jan 2016 07:22:46 EST ID:fDZ3h+Vd No.55926 Ignore Report Quick Reply
Plus the fact that is one existed, the amount of energy it would be spewing out would basically make it unenterable, or even approachable.
Paul Goldsmith - Wed, 13 Jan 2016 23:38:57 EST ID:O0Ehlx70 No.55927 Ignore Report Quick Reply
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What if White Holes only exist for a fraction of a second and in the wake of their brief existence form entire universes in a multiverse.

tl;dr the Big Bang was, in fact, a White Hole and we are all (entropy, spacetime) that endlessly falling 'hill' (as opposed to a black hole's infinite depth) that will eventually tear and fizzle.

This old ass thread was very insightful. Time for another bowl.

What are WE going to see? by Maximilian Wolf - Sun, 03 Jan 2016 16:00:54 EST ID:1zawVaPa No.55910 Ignore Report Reply Quick Reply
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What's the most advanced/coolest/most interesting space related thing our generation is going to witness?
Primitive colonies? Asteroid mining? The development of a new form of space travel?
Post your predictions.
1 posts omitted. Click Reply to view.
Charles Messier - Sun, 03 Jan 2016 22:13:20 EST ID:s6y07R4Z No.55912 Ignore Report Quick Reply
We are definitely going to see the rise of sentient AI within our lifetimes.
Joseph von Fraunhofer - Sun, 03 Jan 2016 22:46:14 EST ID:feK9r3AW No.55913 Ignore Report Quick Reply
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Russel Hulse - Mon, 04 Jan 2016 21:53:11 EST ID:oigSnnJc No.55915 Ignore Report Quick Reply
We'll probably see commercial asteroid mining by robots in our later years, most likely. Hopefully they dont fuck up and drop a rock on us though, would that suck or what?
Walter Adams - Tue, 05 Jan 2016 09:43:18 EST ID:fDZ3h+Vd No.55916 Ignore Report Quick Reply
There will always be shit to fix on Earth, that can't stop us from going outwards. We've got the resources to spare.

We'll definately see atleast a man on Mars, probably the start of a colony too (never bet against Elon). Maybe a base on the moon, but my bet is that a race to Mars will be kicking off soon and the moon will be a sideshow, R&D for Mars colony tops.

Maaaaaaaaybe Skylon, not holding my breath on that one though. Ion propulsion should get much better and if we get fusion knocked down in a decade or 2 that could feasibly take us to a nifty fraction of C. Alcuibierre drive seems like a pipedream, but you never know, would require something like a fucking anti-matter power source probably, though perhaps a large enough fusion reactor would do too...

If Elon gets his MCT concept with the BFRs done & produced, space mining probably will be feasible then. 100 tons to Mars yo, could probably haul serious cargo from the asteroid belt too since it wouldn't have to fight the gravity well of Mars.

AI most likely too, don't know if superintelligent AI, depends on how fast the AGI takes off, though looking at machine & deep learning these days it'll probably take off like a rocket.

Humanity's technology is on an exponential rise, just think how much the world changed between 2005-2015 compared to 1995-2005. We probably can't even imagine the shit that will be around in 60 years.
Heinrich Olbers - Sat, 23 Jan 2016 10:21:35 EST ID:s6y07R4Z No.55964 Ignore Report Quick Reply
>What are we going to see?


i don't believe in the moon by Kiyotsugu Hirayama - Mon, 04 Jan 2016 18:53:06 EST ID:jKbCW6p+ No.55914 Locked Ignore Report Reply Quick Reply
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its just the back side of earth
Thread has been locked
Thread was locked by: SeVeNaD
Reason: another great thread.

Kill space rocks by Joseph Lockyer - Mon, 20 Jul 2015 06:32:20 EST ID:5RO7Hywq No.55532 Ignore Report Reply Quick Reply
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A huge rock is headed straight for earth

We wrap a tarp around it with a space craft
Fill the tarp with a heavy gas
Once the pressure is high enough inside the tarp
We turn on rockets compressing the gass as much as possable on one side of the tarp
Then we blow up a nuke
Changing the course of the rock enough not to kill everyone on earth

Now you tell me how im wrong and feel better about the world
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Karl Jansky - Wed, 16 Dec 2015 03:41:49 EST ID:gRBEStbH No.55883 Ignore Report Quick Reply
Karl Jansky - Wed, 16 Dec 2015 03:42:46 EST ID:gRBEStbH No.55884 Ignore Report Quick Reply
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Paul Goldsmith - Fri, 18 Dec 2015 18:11:19 EST ID:415JX8nG No.55885 Ignore Report Quick Reply
If asteroid mining became a big enough enterprise, could we wind up disturbing the orbits of asteroids in the inner solar system, increasing the rate of potential impacts?
Russel Hulse - Sat, 19 Dec 2015 21:18:09 EST ID:Y6cuAVAn No.55891 Ignore Report Quick Reply
i always love when someone HAS to mention no bumps.
Chushiro Hayashi - Sun, 20 Dec 2015 19:27:29 EST ID:vB+y87GU No.55892 Ignore Report Quick Reply
The asteroid belt is far more diffuse and spread out than we imagine it is.
Then again, all that travel and disruption is bound to knock some rocks loose.

You know what day it is... by Bart Bok - Mon, 09 Nov 2015 15:06:18 EST ID:X6E5uhNi No.55797 Ignore Report Reply Quick Reply
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Let's have a party thread.

Happy would-be 81st birthday, my friend
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Hannes Alven - Thu, 19 Nov 2015 15:55:12 EST ID:sky71Ye7 No.55824 Ignore Report Quick Reply
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Fuck Carl Sagan man.
Daniel Kirkwood - Fri, 20 Nov 2015 21:53:58 EST ID:tQX5ylFX No.55825 Ignore Report Quick Reply
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fuck you.
Walter Baade - Sat, 21 Nov 2015 12:42:53 EST ID:X6E5uhNi No.55826 Ignore Report Quick Reply
Riccardo Giacconi - Wed, 25 Nov 2015 20:31:46 EST ID:X6E5uhNi No.55830 Ignore Report Quick Reply
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Fred Whipple - Tue, 08 Dec 2015 20:19:12 EST ID:X6E5uhNi No.55874 Ignore Report Quick Reply
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y'all are gay

bow down to our lord

Floating colonies on Venus by Arthur Eddington - Sun, 06 Dec 2015 16:45:02 EST ID:vB+y87GU No.55850 Ignore Report Reply Quick Reply
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What does /sagan/ think of this?
I think it's a pretty fucking sweet idea. I wonder what sort of materials you could use that are both light weight and durable enough for a floating Venusian colony. I had an idea that could help with the buoyancy of the thing: non essential parts of the structure (floors and walls) could be made out of brick like objects that are either vacuum hollow or filled with a gas like helium at very low pressure. They would be brick like objects because many could be punctured without jepordizing the integrity of the station. one could also vent waste heat out the bottom and sides to create a bit of thrust.
The only major problem would be in getting people and materials to and from the colony. Then again, I suspect by the time we're in a position to build something like this, navigating the haze of the Venusian atmosphere safely won't be much of a challenge.
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Johannes Kepler - Tue, 08 Dec 2015 15:19:33 EST ID:IwAsVtyx No.55865 Ignore Report Quick Reply

>When you have nearly limitless energy and raw materials on hand

World's larges caveat, I didn't know we were in the Star Track anything-can-happen universe. Yes, I meant resource extraction. Lets go get asteroids made of platinum and helium-3, not play pretend.
Robert Dicke - Tue, 08 Dec 2015 15:57:33 EST ID:vB+y87GU No.55866 Ignore Report Quick Reply
Well obviously we need proper space infrastructure before we go colonizing and building shit all over the place. However, once that is established, everything becomes possible. I can try to dig up some articles I read about things like a Dyson swarm or asteroid mining having huge upfront costs, but massive returns in terms of energy and raw materials.
If you just fold your arms and say "well we can't do it tomorrow, so let's not even speculate about it." I frankly have no interest in talking to you.
Johannes Kepler - Tue, 08 Dec 2015 16:13:19 EST ID:IwAsVtyx No.55867 Ignore Report Quick Reply

Humans go places and do things to get stuff. Not just to do it, those emotions are just used to motivate people. Every great explorer was after land, gold, slaves, riches. I want riches. The asteroid belt is where its at.

I wouldn't want to go to Venus, there isn't anything there. You can't land on the surface, no moons, no nothing, bbbbooring. Even in your super-future there will be shit-holes no one will want to go to. Look at the US state of North Dakota, a giant frozen field full of self-destructive Native Americans, up until the last 10 year or so, it was fucking empty because all that was there was grass and nothing. But then fracking happened and then there was an oil boom and then 100,000s of people looking to get rich, and most of those people are blue collar folks with nothing else going for them. The blue collars go loose limbs getting the riches to pipe back to cities to be profits for rich owner of industry.

This is exaclty happening now, SpaceX, ULA, Virgin Galactic.

Given our lives now, i know in 300 years there will be a miserable dick job of 'asteroid miner'. So you didn't go to college and you are a physically capable young person, get your ass to space and go get some stuff.

I'm not folding my arms, I like realistic sci-fi. In your universe, I want magic powers like the force and shit.
Johannes Kepler - Tue, 08 Dec 2015 16:31:04 EST ID:IwAsVtyx No.55868 Ignore Report Quick Reply

Also, your energy source better be infinite because of this:

Robert Dicke - Tue, 08 Dec 2015 18:00:55 EST ID:vB+y87GU No.55873 Ignore Report Quick Reply
>The asteroid belt is where its at.
Well obviously colonization of Mars and Venus and the construction of space habitats would take place within the context of a well established and rapidly expanding space economy. I don't have to tell you that there is an incredible abundance of resources between Mercury and suburban Jupiter. In the midst of taking advantage of this tremendous windfall, it only makes sense to put habitable places where we can. If for no other reason than as a way station and a refuge. (think a stop for fuel or something at a space station orbiting Venus on your way from Earth to Mercury or something)

>I wouldn't want to go to Venus, there isn't anything there. You can't land on the surface, no moons, no nothing, bbbbooring
The most brutal hellscape in the solar system is boring to you? I don't want to insult you or anything, but whaaa? I don't know how any place in our solar system could be considered boring (well, aside from the MASSIVE expanses of literally nothing, but that goes without saying)
>you can't land on the surface
With currently existing caveman tech it's not a very good idea.

>Given our lives now, i know in 300 years there will be a miserable dick job of 'asteroid miner'. So you didn't go to college and you are a physically capable young person, get your ass to space and go get some stuff.
Frankly neither of us can imagine what human societies will look like in three centuries. If neo-liberal capitalism is still the default system, I'm not sure we'll even be around in three hundred years. Anyway, asteroid mining will likely be almost entirely automated. It makes more sense to have a bunch of durable, easy to produce machines hacking up rocks in space, not a bunch of frail bloodsacks who can't function in an irradiated, freezing, vacuum.

> I like realistic sci-fi
Me too. I love Star Wars, but the lore of franchises like Star Trek and Mass Effect is so much more interesting BECAUSE so much of it is plausible.
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