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Making Humans a Multiplanetary Species [video]

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Re: Making Humans a Multiplanetary Species [video]

#601
post #388

Earlier quoted context omitted.

I find it interesting that when watching old movies, few got the communications networks of the future right (edit: meaning that they are always behind the curve. We've advanced a lot more than expected). Other than perhaps "Ghost in The Shell". But on the other end, we have lots of movies expecting much more from us on the 'space' end of things. Many movies that occur in space have us already having permanent moon b…

>I find it interesting that when watching old movies, few got the communications networks of the future right There's some old video made in the mid-1960s showing "a view of the future", which basically depicts every home as having a home computer connected to some kind of communications network, where people would be able to read news, send messages, and even do shopping. While a lot of sci-fi really seemed to miss…

The space race, and lunar landings, along with Concorde were perhaps the last gasp of the post-war optimism and prestige science projects. It was still just possible to justify them for national pride rather than balance sheet.

Quite a change from the 40s and 50s and the transatlantic blur of experimental aircraft - X planes, VSTOL, supersonic, first jet airliner prototype in 1949, Concorde protoype in 1969. Nuclear power was meant to usher in an era of cheap, abundant, clean energy, and science had a pretty positive rep.

I've no doubt the effects of oil crisis and following recession put paid to an awful lot of NASA plans. As they'd proved they could do it, and did so first, I expect politicians saw less point in keep going back.

The arrival of market forces for everything with Reagan and Thatcher will have further limited, seeing plans for space stations and bases shelved and building small probes instead. This was the era of the artists impressions. Of things we'd never see.

Since then it's more about balance sheets and budgets if you want a large project. Military excepted.

Re: Making Humans a Multiplanetary Species [video]

#602
post #277

Watching live the announcement and presentation by Elon on https://www.youtube.com/watch?v=A1YxNYiyALg Where the hell did they get this audience from? Is this hosted on a frat house with some academic invites? There's a dude jokingly saying that burning man felt like mars with a lot of shit and no water, there's a guy plugging his comic book, there's a guy making a joke on how we should send Michael Cera to Mars, a g…

The guy who identified himself as the "local idiot" was Zach Anner, who has cerebral palsy. He definitely wasn't drunk, palsy makes him sound like that. Not your fault, they didn't show him on the stream.

Was going to add this. Such an awesome guy and his question was valid albeit goofy.

Re: Making Humans a Multiplanetary Species [video]

#603
post #112

Earlier quoted context omitted.

Some possible reasons; Mars has a c02 atmosphere, water ice, it has a ~24 hour day as opposed to the moons 28 day-day, Earth and Mars have similar sizes.

Dumb question: it can't be coincidence that our days are almost identical in length. Why are they?

I don't know why you got downvoted but I couldn't find anything helpful regarding your question. I found some references to the fact that mars and earth have ~24hr days but no explanation as to why they are so similar. Mars also rotates (on its axis) the opposite direction of Earth which I found interesting. So many questions about our little local solar neighborhood, so few answers!

Re: Making Humans a Multiplanetary Species [video]

#604

Earlier quoted context omitted.

You're my hero! This attitude is why I quit regularly contributing to this site. Any time any single person does something positive, some armchair "expert" comes out the woodworks to tell you how it won't work or can't work.

I would never say "it won't work", but I do think we humans have a tendency to turn to technology to solve our most basic problems, while the real solutions lie within us (where most people never look). I believe we should first learn to clean up our act on planet Earth before we export anything of our existence and what we do. To me, the real revolution that needs to happen is a spiritual one - a statement that will…

Ultimately allow us to survive on Earth...until the next major extinction event. Meditation won't allow us to survive a massive meteor impact (which is just a matter of when, not if).

Re: Making Humans a Multiplanetary Species [video]

#605

Earlier quoted context omitted.

Don't stop contributing if you're one of the good ones!

I want to, but it got to the point where the hivemind has pushed me away. I have noticed recently that HN is becoming self-aware. More than ever, I'm seeing comments by good users telling the bad ones to take their bad attitude elsewhere. The contrarianism going on really drove me away. I started to believe that there were people feeling the need to be contrarian just to appear more intelligent than the other users.

This is not new for HN at all. In fact I lurked for years because the community was so harsh. So it's nothing new.

Re: Making Humans a Multiplanetary Species [video]

#606

Earlier quoted context omitted.

Speed to Mars though is really relative speed along whatever orbit (Hohmann transfer or the moral equivalent) that you choose. Only in SF stories do we have fully powered propulsion to Mars. I am very curious what the selected family of orbits is, and even more importantly how long & how much life support for the large passenger number.

Yeah, transit time & payload mass seem to be the major missing numbers in a video that wasn't shy about including them.

There's a slide with all the numbers and even a graph:

https://youtu.be/A1YxNYiyALg?t=1h52s

Re: Making Humans a Multiplanetary Species [video]

#607
post #334
post #235

Earlier quoted context omitted.

There's a phrase I'm fond of: The man who says it can't be done needs to get out of the way of the man who's doing it.

At least in my case, I see trying to start a Mars colony as a death trap. It's the illusion of carrying on the human race, but it's really just dooming a bunch of pioneers to a grim fate in an extremely hostile environment. I think making a south pole colony would be hard enough, let alone a Mars one.

We live pretty cushy lives, so it's easy to forget just how difficult progress was at times. Read about David Thompson and what he went through to discover the northwest passage, or any of those guys who did things like that.

Doomed pioneers suffering grim fates in hostile environments is how the west was won.

Re: Making Humans a Multiplanetary Species [video]

#608
post #256

Earlier quoted context omitted.

If you don't like it, then you're free to go do whatever it is you do like. Right. And as what appears to be the loudest voice in this discussion, it's also my prerogative to advocate for what I believe to be a better allocation of resources. Lets not pretend there is not competition for attention, capital and enthusiasm for vision based projects. That I advocate for one over another - in competition - is exactly wha…

> better allocation of resources Let me argue that allocation of resources as a zero-sum game is a deeply flawed view of the situation. There is competition, but this is not a bucket-for-bucket transfer and given the figures displayed here as well as ballpark estimations, there is more than largely room for all of those to develop simultaneously. As mikeash points out, there is an untapped audience as well as boatloa…

The problem is that while what you say is true over a long period, it's not true in the time period necessary to make progress work.

This is especially biting when you go out to raise money - there is a limited pool of money out there that is looking to be allocated. Sure, some small changes open up small amounts - such as the introduction of crowdfunding - but generally speaking there are more companies seeking funds than there are funds seeking investment.

Said another way the pie grows too slowly to consider the market anything other than zero-sum over the window of time that a venture has.

Re: Making Humans a Multiplanetary Species [video]

#610
post #504

I'm all for colonizing Mars, but is it possible to do large-scale terraforming of the surface without a magnetosphere to protect it?

Zubrin and McKay seem to think so ...

Technological Requirements for Terraforming Mars

http://www.users.globalnet.co.uk/~mfogg/zubrin.htm

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