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  #421  
Old 03-03-17, 09:05 AM
Possessed Possessed is offline
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Quote:
Originally Posted by Michael Bluth View Post
Why do they even call it rocket science? It should be called rocket assembly. The assemblers are the ones doing the real work
Yeah. That's it Bluth. The engineers were just "assemblers".
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  #422  
Old 03-03-17, 09:14 AM
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Jack Garman, Margret Hamilton, George Mueller... the list of engineers that enabled the moon shot is enormous. The scientists focused primarily on experiments when it came to getting to the moon and back. Not that hard to understand.
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  #423  
Old 03-03-17, 09:19 AM
ronnie mund ronnie mund is offline
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$20 says Slide just googled those names

Although I would feel bad taking $20 from him at this time
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  #424  
Old 03-03-17, 09:23 AM
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Originally Posted by ronnie mund View Post
$20 says Slide just googled those names

Although I would feel bad taking $20 from him at this time
What's that you said...

"A simple Google search..."

All engineers. I know scientists sounds sexy, but sexy didn't get the job done. The engineers did. Or if you like, we can claim the "worlds greatest contribution to humanity" can be traced back to the Nazis.
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  #425  
Old 03-03-17, 09:37 AM
Michael Bluth Michael Bluth is offline
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The atomic bomb was probably all engineers too
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  #426  
Old 03-03-17, 11:14 AM
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The engineers obviously were aware of all the variables needed to launch a rocket into space and keep the astronauts alive.
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  #427  
Old 03-05-17, 09:45 AM
lotr10 lotr10 is offline
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There is good news on the space exploration front in that it looks like the Trump administration is following the lead of the Obama administration in encouraging privately funded space exploration:

https://arstechnica.com/science/2017...nar-gold-rush/

I've always said that the best thing that came out of the Obama administration was it's support of private space exploration.

What's interesting about this article is the emphasis on first building a base on the Moon before trying to go on to Mars. I agree with that 100%. In fact the experience we get in building a permanently settled moon base will go a long way towards making a Mars mission successful. The fact that there is ample water buried on the Moon makes it's colonization much more straight forward.

The moon would also be the perfect place to launch supplies for a Mars colony from - assemble the material on the moon and launch from 1/6 the gravity well.
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  #428  
Old 03-05-17, 10:15 AM
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Quote:
Originally Posted by Michael Bluth View Post
The atomic bomb was probably all engineers too
Has zero to do with packing people in a tin can and launching them to space.
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  #429  
Old 03-05-17, 10:18 AM
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https://www.google.com/amp/www.daily...ess-ALIEN.html

Looks like the GB is all packed and transformation is almost complete. Meet your Captain for your Mars trip.
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  #430  
Old 03-05-17, 11:32 AM
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https://www.google.com/amp/www.daily...ess-ALIEN.html

Looks like the GB is all packed and transformation is almost complete. Meet your Captain for your Mars trip.
Our Captain is a genderless extra-terrestrial?

I think I can wait for the next ship...
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  #431  
Old 03-05-17, 11:47 AM
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Our Captain is a genderless extra-terrestrial?

I think I can wait for the next ship...
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  #432  
Old 03-06-17, 11:40 AM
Michael Bluth Michael Bluth is offline
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NASA talking about implementing a magnetic shield around Mars to help restore its atmosphere

https://phys.org/news/2017-03-nasa-m...tmosphere.html
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  #433  
Old 03-06-17, 12:06 PM
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Originally Posted by Michael Bluth View Post
NASA talking about implementing a magnetic shield around Mars to help restore its atmosphere

https://phys.org/news/2017-03-nasa-m...tmosphere.html
That would be an impressive scientific (engineering?) achievement.

I've read some articles on the feasibility of terraforming Mars ... the entire planet. The atmosphere would, in theory, be suitable for humans, including oxygen levels, air pressure, temperature, etc. IDK. How many hundreds of years and how many zillions of dollars would it take?
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  #434  
Old 03-06-17, 12:11 PM
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Originally Posted by BlackHawk View Post
That would be an impressive scientific (engineering?) achievement.

I've read some articles on the feasibility of terraforming Mars ... the entire planet. The atmosphere would, in theory, be suitable for humans, including oxygen levels, air pressure, temperature, etc. IDK. How many hundreds of years and how many zillions of dollars would it take?
Just like the moon landing, it would be an impressive collaborate effort among all STEM disciplines.
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  #435  
Old 03-06-17, 12:39 PM
lotr10 lotr10 is offline
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Quote:
Originally Posted by Michael Bluth View Post
NASA talking about implementing a magnetic shield around Mars to help restore its atmosphere

https://phys.org/news/2017-03-nasa-m...tmosphere.html
Great article. I like that technologists are thinking out of the box and approaching the opportunities terraforming Mars presents. Combine this with diverting a few comets and slamming them into Mars and who knows, it might make a nice place to live some day!
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  #436  
Old 03-07-17, 01:41 PM
lotr10 lotr10 is offline
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I know how much everybody loves to talk about "Dark Matter" so here you go:

http://cosmos.nautil.us/feature/137/...-a-big-mistake

It seems that some theoretical physicists are launching an assault on "Dark Matter" claiming that it may not even exist!

Here's some background:

Couple this to the other major cosmological conundrum—the nature of the dark energy that is thought to be causing the universe’s expansion to accelerate—and it’s not unreasonable to question the standard model of cosmology, which is built on Einstein’s general relativity and requires both dark matter and dark energy to explain the observed universe. And it’s not unreasonable, either, to think that answers could come from efforts to unify physics. A unified theory will deepen our understanding of gravity, which is the only fundamental force of nature that theorists have not yet reconciled with quantum mechanics. In so doing, it might conceivably account for the galactic motions that we now ascribe to dark matter and dark energy.

Okay, that sort of makes sense. Like I always say the science is never settled.

Then there's this slightly less easy to understand part:

For his theory of emergent gravity, Verlinde takes the bold leap that the entropy of spacetime has an additional component that scales with volume. His thinking is that our universe, which approximates a spatiotemporal geometry called de Sitter space, is expanding at an accelerated rate, and so has a cosmological horizon—a distance beyond which we cannot see, because galaxies are receding faster than their light can reach us. Such a horizon is very similar to the boundary of a black hole and, by Bekenstein’s and Hawking’s arguments, implies an entropy. This entropy must be counted in addition to the entropy that physicists already ascribe to spacetime, and—crucially, according to Verlinde—it is not localized at the horizon. “The entropy that we normally associate with the horizon should be thought of as entropy that is distributed throughout the de Sitter space,” he says.

To justify his assumptions about entropy, Verlinde appeals to the nature of the spacetime microstructure. The microstructure is highly patterned, so that its parts are mutually correlated. Normally physicists assume that these correlations extend over only very short distances; the properties of two nearby points are very similar, while the properties of two distant points are unrelated. This patterning leads to an area scaling law for entropy. But in de Sitter space, Verlinde argues that the microstructure also has correlations that span large distances. Two distant points may be very similar. Such a patterning implies a volume scaling law.



If you look closely you'll see a little of what JR was talking about (I think).
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  #437  
Old 03-08-17, 08:47 PM
lotr10 lotr10 is offline
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HUGE scientific breakthrough in any Mars colonization effort:

https://phys.org/news/2017-03-indica...toes-mars.html

They can grow potatoes under Mars like conditions! And where there are potatoes there are French Fries and where there are French Fries, civilization can't be far away.
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  #438  
Old 03-08-17, 09:01 PM
lotr10 lotr10 is offline
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And in case you're heading out to the Trappist 1 solar system and it's slew of planets basking in the glow of its red dwarf star sun here's a guide to what kind of aliens you might met:

http://mysteriousuniverse.org/2017/0...lly-look-like/
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  #439  
Old 03-10-17, 12:55 PM
lotr10 lotr10 is offline
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Don't look now but scientists may have found evidence of alien spaceships accelerating:

http://www.space.com/35996-fast-radi...pacecraft.html

The key part:

Bizarre flashes of cosmic light may actually be generated by advanced alien civilizations, as a way to accelerate interstellar spacecraft to tremendous speeds, a new study suggests.

Astronomers have catalogued just 20 or so of these brief, superbright flashes, which are known as fast radio bursts (FRBs), since the first one was detected in 2007. FRBs seem to be coming from galaxies billions of light-years away, but what's causing them remains a mystery.

"Fast radio bursts are exceedingly bright given their short duration and origin at great distances, and we haven't identified a possible natural source with any confidence," study co-author Avi Loeb, a theorist at the Harvard-Smithsonian Center for Astrophysics, said in a statement Thursday (March 9). "An artificial origin is worth contemplating and checking."
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  #440  
Old 03-12-17, 09:15 AM
lotr10 lotr10 is offline
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This seems widely optimistic but going through life as an optimist is better than dragging yourself around as a pessimist:

http://www.independent.co.uk/news/sc...-a7623726.html

I'm not sure about "thousands of folks living in Orbital stations within 20 years" but the article points out two HUGE advantages to space station living:

* Endless and very efficient solar energy

* You can choose to spin the station to say 0.8 earth gravity which means less wear & tear on the body and potentially much longer life spans.

Bottom line is that I've noticed a real uptick in people wanting to push out into space and a new confidence that the human race is about to explode across the Solar System. I think we may be on the edge of a major period of direct human space exploration.
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  #441  
Old 03-14-17, 09:57 PM
lotr10 lotr10 is offline
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I'm not sure whether this helps or hurts space exploration:

https://pjmedia.com/lifestyle/2017/0...e-expeditions/

Why do the Germans produce so many mad scientists? Anyway, here's some key elements of their plan:

But what if you could use the useful salts in astronaut urine to grow food? If humans are ever to live for long periods on the Moon or Mars, they will need a self-sustaining food supply. “You will need more than protein bars,” says Hauslage.

“You need a lot of calories, so you have to produce a lot of potatoes, cucumbers, tomatoes and so on and you need protein and fat,” says Hauslage. The latter food group is a particular challenge, but his team is already on the case: “We’ve also got an experiment producing fat with algae solution using our urine water.”


Who wouldn't pass up on a chance to gorge on some food fried in "fat" produced from algae solution & urine water!
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  #442  
Old 03-16-17, 07:40 AM
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I'm really liking the Trump administration's plans for NASA.

http://www.politico.com/story/2017/0...ace-war-234829

I've always thought the most effective way to go was by a public/private partnership.

A summary of the plan:

The Trump administration is considering a bold and controversial vision for the U.S. space program that calls for a "rapid and affordable" return to the moon by 2020, the construction of privately operated space stations and the redirection of NASA's mission to "the large-scale economic development of space," according to internal documents obtained by POLITICO.

This is in sharp contrast to the Obama administration's early statements along the lines that NASA's most critical mission was in Muslim outreach.
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  #443  
Old 03-18-17, 07:04 AM
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While not directly an article about space exploration this story about Lockheed Martin's ultra powerful laser being developed for the US military should remind everyone that reality catches up with science fiction pretty fast with the proper motivation:

http://www.cnbc.com/2017/03/17/lockh...-military.html

Now the motivation here is we don't want to use multi million dollar missiles to shoot down drones and other missiles. A laser gives you better options and at 60 Kilowatts power (60 KW are you kidding me!) this is way more than your fathers old school laser pointer!

Like I said, apply the right motivation and we'll have colonies on the Moon & Mars before you can blink an eye.
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  #444  
Old 03-19-17, 06:23 PM
lotr10 lotr10 is offline
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A new moon race is kicking into high gear:

http://www.telegraph.co.uk/science/2...-moon-landing/

They plan on sending a couple of rovers in a SpaceX rocket to within a couple of miles of where the last manned moon landing left the moon buggy and other equipment. Is this the first lunar scrap mission?
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  #445  
Old 03-21-17, 07:21 PM
lotr10 lotr10 is offline
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I know you guys have been waiting on the edge of your seats to hear an update on the big gravity "controversy" so here it is:

http://www.sciencealert.com/this-gig...-into-question

Here's the fun fact:

Scientists have discovered that a gigantic ring of galaxies stretching 10 million light-years wide is speeding away from our own galaxy so fast, our current physics models can't explain it.

Describing the structure as expanding rapidly like a "mini Big Bang", the team thinks it was formed by a near-miss between the Milky Way and our neighbouring galaxy, Andromeda, which created a 'sling-shot' of several smaller galaxies. The only problem is the result is at odds with the conditions predicted by Einstein's theory of relativity.


For those so inclined the article has some interesting stuff. But the bottom line is that the following always holds:

The Science is NEVER Settled!
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  #446  
Old 03-24-17, 06:55 AM
lotr10 lotr10 is offline
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The moons circling the gas giants continue to be very intriguing places:

http://www.sci-news.com/space/cassin...dus-04705.html

It looks like Saturn's moon Enceladus may have relatively warm liquid water pretty close to the surface, maybe as little as a mile or so below. Confirmation that Enceladus now joins Europa as a moon with substantial liquid water significantly increases the chances of life being present. Even if these are "dead" seas the presence of this much water bodes well for the eventual settlement of the moons of Jupiter & Saturn.

Oh and check out the picture of Enceladus - it's sublime.
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  #447  
Old 03-24-17, 08:11 AM
Michael Bluth Michael Bluth is offline
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Just gonna use this thread for anything science related. Thought this was pretty interesting..

Germany created an artificial sun to study
http://newatlas.com/dlr-artificial-sun/48579/
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  #448  
Old 03-24-17, 09:21 AM
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Originally Posted by Michael Bluth View Post
Just gonna use this thread for anything science related. Thought this was pretty interesting..

Germany created an artificial sun to study
http://newatlas.com/dlr-artificial-sun/48579/
Not only is this very cool but it actually does relate to the topic of the thread. Artificial sunlight will need to be generated in deep space colonies for two main reasons:

* Growing food

* Emotional well being. People need the mental comfort from the rich spectrum of "light" that the sun provides.

If you think about a future habitat in the asteroid belt as being a hollowed out asteroid, an artificial "sun" placed within the "cavern" will be critical.

And yea, it makes sense to post cool science stuff on this thread. The weirder & cooler the better!
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  #449  
Old 03-24-17, 06:49 PM
lotr10 lotr10 is offline
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Now this is a smart experiment to run:

https://www.thesun.co.uk/news/316865...-rock-mission/

Seeing if they can deflect an asteroid by simply ramming a spaceship into it is something we should already know will or won't work. I guess better late than never!
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  #450  
Old 03-26-17, 10:55 AM
Possessed Possessed is offline
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HUGE scientific breakthrough in any Mars colonization effort:

https://phys.org/news/2017-03-indica...toes-mars.html

They can grow potatoes under Mars like conditions! And where there are potatoes there are French Fries and where there are French Fries, civilization can't be far away.
So why can't they colonize the deserts of the earth and end starvation? Wouldn't that make more sense than wasting all these resources on POSSIBLY putting a few hundred at most on Mars?
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