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420chan is Getting Overhauled - Changelog/Bug Report/Request Thread (Updated April 10)
WTF is this thing? Ignore Report View Thread Reply
George Gamow - Sat, 01 Oct 2016 08:29:02 EST ID:tQX5ylFX No.56502
File: 1475324942532.jpg -(77817B / 75.99KB, 1024x1024) Thumbnail displayed, click image for full size. 77817
http://www.inquisitr.com/3512502/gigantic-four-armed-ufo-sails-once-again-past-sun-nasa-still-wont-talk-about-artificial-object-spotted-in-2011-2012-and-2016-conspiracy-theorists-say-video/


>inb4 UFO hurr durr.

It does smell of the classic shit writen science journalism click bait. can post the archive.is if you guys would rather not give it clicks.

But what is that thing? remember UFO does not mean ayyy lmaos. Kinda looks like voyager probe to me. I have no idea the perspective and sizes involved here.
7 posts and 2 images omitted. Click View Thread to read.
>>
Viktor Ambartsumian - Tue, 04 Oct 2016 03:23:45 EST ID:tQX5ylFX No.56511 Ignore Report Reply
>>56510
no jolly african-american I was agreeing with you. calm your tits.
>>
Daniel Kirkwood - Wed, 05 Oct 2016 16:45:02 EST ID:SsVk1i6e No.56512 Ignore Report Reply
Whoever wrote that article should be shot.

It's a cosmic ray, if the author bothered to fucking Google it they would have known that. A cosmic ray is a charged particle which hits the detector exciting pixels when there is no light. The same thing as all the other little streaks in that image, the multiple lines are secondary particles. If you look though the SOHO archives you will find thousands. Notice their object turned up months later but was gone just an hour or two later when the next image was taken, because it's not the same thing and it's not a real object. YouTube is crammed with these videos of SOHO UFOs, of course NASA doesn't respond to the same idiots who have been ignoring the response for a decade.

https://soho.nascom.nasa.gov/hotshots/2003_01_17/
>>
William de Sitter - Thu, 06 Oct 2016 01:19:46 EST ID:qkTsbYde No.56513 Ignore Report Reply
>>56512
They're all hoaxes. The people who repeat them are either gullible morons or trolls. Now that the obvious has been stated, that's an interesting thing about the cosmic rays affecting the detectors. The Apollo astronauts experienced a similar effect with their own eyesight. After they left low earth orbit, they saw phantom flashes of light when they closed their eyes.


smoked weed and was thinking Ignore Report View Thread Reply
Subramanyan Chandrasekhar - Sat, 10 Sep 2016 08:08:34 EST ID:KRFHH0CT No.56414
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If time and space are different forms of the same thing, and space is possibly infinite, is time infinite too?
23 posts and 3 images omitted. Click View Thread to read.
>>
Stephen Hawking - Mon, 26 Sep 2016 21:43:20 EST ID:X4FAw0QG No.56478 Ignore Report Reply
>>56414

Time remains as it will be currently occuring in its form and matter in the presence under which we have sense in understanding it through our correlation with what we perceive in this istance of moments amounted, though it will always be so in a way of saying perhaps , its difficult to say properly
>>
Charles Messier - Tue, 27 Sep 2016 01:49:47 EST ID:Kz5Q207u No.56479 Ignore Report Reply
>>56478
That was some of the most confusing shit I've ever read. Work on your wording nigga, took me like 3 reads to understand what you were saying.
>>
William Hartmann - Tue, 27 Sep 2016 02:29:03 EST ID:p24Ges2t No.56480 Ignore Report Reply
>>56479

Nigga, it's Stephen Hawking. Give him a break


Submarines of Titan Ignore Report View Thread Reply
Henrietta Levitt - Sun, 28 Aug 2016 10:23:12 EST ID:Y3T9nNnZ No.56335
File: 1472394192191.gif -(872884B / 852.43KB, 200x100) Thumbnail displayed, click image for full size. 872884
Check it. NASA wants to send a submarine to Titan to go look for critters there.

Please please let this happen.
20 posts and 4 images omitted. Click View Thread to read.
>>
Daniel Kirkwood - Mon, 05 Sep 2016 02:52:24 EST ID:Jqf9zBFl No.56406 Ignore Report Reply
1473058344124.jpg -(134366B / 131.22KB, 800x1150) Thumbnail displayed, click image for full size.
>>56335
>SUBMARINES OF TITAN

DICKS. EVERYWHERE.
>>
Fred Whipple - Fri, 23 Sep 2016 13:26:47 EST ID:3t/weoS/ No.56463 Ignore Report Reply
This is a pop-sci article I know, but the work it's based on seem very interesting and def relevant to this thread.

http://ringrom.ga/2016/09/22/life-not-as-we-know-it-possible-on-saturns-moon-titan/

Essentially a team of chemical engineers and astronomers have theorized a template for an enclosed cell capable of thriving in liquid methane/ethane, rather than water as is the case for the lipid-based life on Earth. Pretty interesting read, and it offers insight into possible life on what we consider horribly cold worlds.
>>
Friedrich Bessel - Fri, 23 Sep 2016 15:52:57 EST ID:08CSyNx+ No.56468 Report Reply
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boy i shure do like critters


Osiris Rex Ignore Report View Thread Reply
Allan Sandage - Thu, 08 Sep 2016 22:02:04 EST ID:Y3T9nNnZ No.56410
File: 1473386524051.gif -(775584B / 757.41KB, 200x137) Thumbnail displayed, click image for full size. 775584
Well Osiris Rex launched today. It's supposed to scoop up some asteroid and bring it home to Earth. The mechanism is craziest thing since the skycrane. It's going to bounce off of the asteroid "Bennu" and grab a handful as it does it.

They're trying to bring back between 60g to 2kg of material. They're also going to survey Bennu for about 6 months before the pick their sample site. So it will just be riding along up there chilling with Bennu for a bit.

> the sample mechanism: https://youtu.be/T0FxDxs7lyw?t=126
> animated mission timeline: http://www.asteroidmission.org/mission/
> obligatory boring launch video: https://www.youtube.com/watch?v=qLjyLh77WNE

The intent, of course, it to learn more about asteroids to prevent future disasters
6 posts omitted. Click View Thread to read.
>>
Edward Pickering - Sun, 18 Sep 2016 06:22:50 EST ID:pjhpxsvC No.56436 Ignore Report Reply
>>56429
Err, they'd shoot you down with a Patriot missile?
>>
Henrietta Levitt - Wed, 21 Sep 2016 17:07:55 EST ID:YHjXylC8 No.56450 Ignore Report Reply
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>>56436
Depending on where you're launching from and your angle of inclination, I would be somewhat concerned about accidentally starting WWIII.
Space exploration is simply ICBM demonstrations with unique payloads.
>>
Thomas Gold - Wed, 21 Sep 2016 20:53:45 EST ID:AKPGknBR No.56452 Ignore Report Reply
Space probes are so fucking efficient, what astounding machines


Space Race vol. II Ignore Report View Thread Reply
Rudolph Minkowski - Fri, 02 Sep 2016 21:37:46 EST ID:hdztUjP6 No.56357
File: 1472866666013.jpg -(363879B / 355.35KB, 1920x1200) Thumbnail displayed, click image for full size. 363879
Some of you probably know about this already, but I was casually scrolling down the science section of Reuters, and I noticed that there seems to be some kind of race to the space going on these days. The hour is upon us.

>China to launch "core module" for space station around 2018

http://in.reuters.com/article/china-space-idINL3N17O1E8

>China shows first images of Mars rover, aims for 2020 mission

us-china-space-mars-idUSKCN10Z07B

"Advancing China's space program is a priority for Beijing, with President Xi Jinping calling for the country to establish itself as a space power."

>Luxembourg sets aside 200 million euros to fund space mining ventures

http://www.reuters.com/article/us-luxembourg-space-mining-idUSKCN0YP22H
Comment too long. Click here to view the full text.
7 posts omitted. Click View Thread to read.
>>
Fred Hoyle - Thu, 15 Sep 2016 20:30:08 EST ID:rszf0FN0 No.56433 Ignore Report Reply
>>56432
People who care about advancing space technology.
>>
Jocelyn Bell - Thu, 15 Sep 2016 21:57:09 EST ID:YHjXylC8 No.56434 Ignore Report Reply
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>>56432
Because the vehicles can be reused.
Fuel only accounts for like 1% of a rocket launch.

The Space Shuttle was supposed to have a far lower cost per launch, but then they ended up with a bunch of extra requirements and the design when through a bunch of mutations, and the end result required so much work between launches that it would have been cheaper to stick with totally-disposable rockets.
>>
Joseph-Louis Lagrange - Fri, 16 Sep 2016 02:53:13 EST ID:tQX5ylFX No.56435 Ignore Report Reply
>>56432
when it lands you don thave to buy another? sort of the key feature.


Proxima B Ignore Report View Thread Reply
Johann Bode - Tue, 30 Aug 2016 14:37:51 EST ID:Y3T9nNnZ No.56342
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So it looks like Proxima Centauri has a planet in the habitable zone. It has an earth-like mass.

Proxima Centauri is a red dwarf that's about 4 light years away, and is as close as other stars get to us. We could maybe drive a small satelite there in about 25 years without scifi tech. http://www.popularmechanics.com/space/deep-space/a22567/interstellar-travel-proxima-b/

It will make an interesting target for upcoming telescoper.
8 posts and 1 images omitted. Click View Thread to read.
>>
Tycho Brahe - Sun, 04 Sep 2016 01:39:15 EST ID:rszf0FN0 No.56402 Ignore Report Reply
>>56400
Yeah, but the ship isn't traveling at lightspeed. It takes 20 years to get there because it's only going ~20% the speed of light, Proxima is only 4 light years away.
>>
Anders Angstrom - Tue, 06 Sep 2016 17:24:16 EST ID:tQX5ylFX No.56408 Ignore Report Reply
>>56402
and it still takes a 5 second delay to talk to the moon and it's just right there.
I mean the delay alone isn't enough to derail the mission. Just look at all the Mars rovers. The delay is variable pending on the phase of the orbits of Earth and Mars yet they plan ahead and lay out a course only after surveying the area and doing at home tests. The same could be applied to this fight but the end delay is going to be huge both ways. Meaning it's going to take longer to plan and set course. But this time there is a time limit and that limit is a burn window. Miss it by even a second and the entire mission is fucked.

The challenges here are larger than any thing previously attempted. Not that it's impossible at this tech level it's just going to be really hard.
>>
John Bahcall - Tue, 06 Sep 2016 20:26:01 EST ID:rszf0FN0 No.56409 Ignore Report Reply
>>56408
Breakthrough Starshot doesn't depend on probes with the kinds of capabilities you're talking about and doesn't have the same problems. The probes are a swarm of very tiny instruments propelled by laser pulses, so the problems of small errors in vector setting or micro collisions are negated by the size of the swarm; some will get through. Likewise being so small they will probably only be capable of the most limited telemetry and so there would be no need to wait for 8 year round trip control, it would probably just transmit until it lost power.

I think spaceflight in general falls under the category of things that are 'really hard to do', but thankfully it is a field where success or failure is an entirely technical matter, so sooner or later we will get it right.


EP=EPR Ignore Report View Thread Reply
Paul Goldsmith - Wed, 17 Aug 2016 21:50:46 EST ID:rszf0FN0 No.56313
File: 1471485046285.gif -(869344B / 848.97KB, 200x200) Thumbnail displayed, click image for full size. 869344
Holy fucking shit guys, my mind is blown.
The unification of QM and GR is HERE!!?!?!

https://quantumfrontiers.com/2013/06/07/entanglement-wormholes/

tl;dr: Susskind says spooky action at a distance IS wormholes and the Copenhagen Interpretation and Many-Worlds Interpretation were the same thing all along from different perspectives. HOLY FUCK
12 posts omitted. Click View Thread to read.
>>
Johannes Kepler - Sun, 28 Aug 2016 00:08:42 EST ID:rszf0FN0 No.56333 Ignore Report Reply
>>56332
Fascinating (if a bit dry) talk. I wonder if he deliberately did not go into other properties of black holes that might negate the limitations he described, or doesn't think they are relevant. Specifically I mean that we know we ultimately can get (all of) the information out of a black hole ultimately as it evaporates due to hawking radiation, could we then not (especially if we are creating a black hole from scratch and thus can make it as small as we want) project entangled particles into the entangled black hole and thus receive information out of the entangled black hole partner in the form of the hawking radiation it emits?
>>
Johannes Kepler - Sun, 28 Aug 2016 00:31:39 EST ID:rszf0FN0 No.56334 Ignore Report Reply
>>56333
Just thinking about it some more (nb for double post) wouldn't it even be possible to get information out without hawking radiation by manipulating the size of the black hole? If the two black holes share the same singularity then putting mass into one increases the mass of the other, and so if you dumped mass into one it would alter the rate of evaporation of the other which could then be measured.
>>
Russel Hulse - Fri, 02 Sep 2016 23:49:51 EST ID:d5o+epTm No.56363 Ignore Report Reply
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>>56334

damn shit nigga thats some crazy shit, my mind is bending trying to get a full grasp on the implications


Forgive me but... Ignore Report View Thread Reply
Tadashi Nakajima - Thu, 26 May 2016 21:42:57 EST ID:VjH9pXwP No.56190
File: 1464313377750.jpg -(328323B / 320.63KB, 960x960) Thumbnail displayed, click image for full size. 328323
...I was thinking about Dark Matter. My understanding is that in analyzing the universe, they detect there should be like 3-4 times as much matter as we can account for with stars and such. It just reeks of "luminiferous ether" to me

What if though, there's no invisible matter, but the universe is actually made up of 3-4x more stuff, stuff that is just accelerating away faster than we can see it (faster than the speed of light?). Or is that what is meant by dark matter?
10 posts and 2 images omitted. Click View Thread to read.
>>
Paul Goldsmith - Thu, 18 Aug 2016 00:41:20 EST ID:rszf0FN0 No.56316 Ignore Report Reply
>>56311
But the actual value is less than the expected value, not more.
>>
Fred Hoyle - Mon, 22 Aug 2016 14:10:47 EST ID:qyc9lsem No.56324 Ignore Report Reply
There's no dark matter. It's just the opposite reaction to the universal constant.

>>
Alan Guth - Mon, 22 Aug 2016 18:20:11 EST ID:rszf0FN0 No.56325 Ignore Report Reply
>>56324
No, according to LCDM dark energy *is* the cosmological constant. Also if dark matter/energy comprise 97% of the universe, how could 3% of the universe generate an opposite reaction almost two orders of magnitude greater (and also where is the room for ordinary matter in this model?)


FIRST Ignore Report View Thread Reply
Cecelia Payne-Gaposchkin - Fri, 29 Apr 2016 10:47:51 EST ID:hnyGB63L No.56176
File: 1461941271509.jpg -(73000B / 71.29KB, 680x992) Thumbnail displayed, click image for full size. 73000
Which crime will be the first to occur in a non-Earth environment, rape or murder?
9 posts and 2 images omitted. Click View Thread to read.
>>
Johann Encke - Tue, 26 Jul 2016 20:52:13 EST ID:YHjXylC8 No.56293 Ignore Report Reply
>>56290
He's saying if you can achieve an erection on earth while doing a handstand, then you'll definitely be able to achieve an erection in space where you don't have gravity acting against your dick.
>>
Clyde Tombaugh - Wed, 27 Jul 2016 13:12:11 EST ID:3t/weoS/ No.56295 Ignore Report Reply
>>56289

I'd assume you'd loose your hand-standing erection eventually as blood flows into your upper body, though you might pass out before that. Zero-gravity is known to cause a sizable reduction of blood pressure, which is the reasoning behind the claim that getting a boner in space is difficult.

Interestingly NASA sits on data like this but refuse to reveal it thanks to their policies on funny business.
>>
Walter Adams - Sat, 13 Aug 2016 01:03:53 EST ID:KgKlYmGv No.56309 Ignore Report Reply
>>56295
It's because they send some old saggy cunts over there that have difficulty with getting a boner send me over there and show me some pussy it's gonna be the fastest space mission you'll see


Actual photo of earth ? Ignore Report View Thread Reply
Giuseppe Piazzi - Wed, 26 Aug 2015 18:40:57 EST ID:a9VttgPi No.55637
File: 1440628857139.jpg -(94020B / 91.82KB, 1280x720) Thumbnail displayed, click image for full size. 94020
Sry if this seems like tinfoil but i just cant get it.
So we have sattelites with further orbit than moon right?
Please give link to an actual photo of earth not some composed bull shit.
Something is going on and this might be the best brain wash ever. Not saying flat earth but hidden land or we just cant get further of some point. Also alot of the other NASA images ...you know, are fakes , there is documentation on this do your research. So a simple request , a photo of earth please :)

Have a nice day :) !
57 posts and 20 images omitted. Click View Thread to read.
>>
George Gamow - Fri, 05 Aug 2016 00:39:14 EST ID:tQX5ylFX No.56303 Ignore Report Reply
>>56302
doesn't showing that require near light speeds? we can't do that.... yet. wait till the hardon collider forms stable micro singularities we can use to power a warp core.
>>
Grote Reuber - Fri, 05 Aug 2016 17:10:50 EST ID:3t/weoS/ No.56304 Ignore Report Reply
>>55923

So you're claiming that spherical objects are in fact mathematically flat in our universe?

Not hanging you out here or anything, I'm genuinely curious as it's an interesting claim.
>>
. - Fri, 05 Aug 2016 21:07:05 EST ID:Q+36SNgx No.56305 Ignore Report Reply
---


I love space Ignore Report View Thread Reply
Plofressor chez - Sat, 23 Jul 2016 05:42:59 EST ID:p24Ges2t No.56286
File: 1469266979554.jpg -(3372909B / 3.22MB, 3069x3006) Thumbnail displayed, click image for full size. 3372909
I first became interested in space exploration because of this website nearly eight years ago. Over that time space has piqued my curiosity enough that my dream is to work in a large observatory, or in a lab constructing instruments for spacecraft. I've spent a lot of time learning about the universe, and have simultaneously become interested in philosophy. I'm just really interested to learn new things about reality. It's such a marvelous and incredibly complex place, teeming with things to be discovered.

I want to know whatever is possible to know. Some things we might never be able to know, but I'm most certain that curiosity, as well as necessity, will drive our species towards distant planets in search of answers and new ways to survive as we go out. I really do hope that's how it plays out. Out of all of the possibilities, I think we'll always have a desire to travel into the next greatest frontier. We might travel inwards with digital worlds and biosynthetic machinery, but I believe the physical domain will continue to hold some deeper allure.
3 posts and 1 images omitted. Click View Thread to read.
>>
Walter Baade - Thu, 28 Jul 2016 02:16:23 EST ID:ma/jJXS2 No.56297 Ignore Report Reply
>>56292
Terraforming isn't a thing yet. Besides, how can we even think about terraforming another planet when the one we were born with which already supports life is being killed by us.
>>
Hannes Alven - Thu, 28 Jul 2016 19:26:26 EST ID:73EoqW+9 No.56298 Ignore Report Reply
1469748386686.jpg -(365218B / 356.66KB, 540x2559) Thumbnail displayed, click image for full size.
>>56297
Alright take it easy green peace, the earth is more than capable of supporting life indefinitely
>>
William de Sitter - Sat, 30 Jul 2016 09:27:05 EST ID:tQX5ylFX No.56299 Ignore Report Reply
>>56298
But Venus is toted as the prime example of what could happen to our world if it got choked completely. Seems more likely a good idea to learn to live indefinitely in artificial environments like stations or Moon bases. In the long run that will be the most common living space moving forward into the cosmos.Terraforming is in the distant future and by the time we could do that we would already be able to live in orbit of every major body in this system if not leave it already.


Interstellar Ignore Report View Thread Reply
George Airy - Mon, 10 Nov 2014 18:11:01 EST ID:FWszKHrA No.54647
File: 1415661061349.jpg -(225767B / 220.48KB, 1047x1572) Thumbnail displayed, click image for full size. 225767
Thoughts on this fucking terrible movie?

its about space chill out mods
45 posts and 7 images omitted. Click View Thread to read.
>>
Joseph Taylor Jr. - Sat, 06 Jun 2015 22:19:14 EST ID:9Jg5Dok5 No.55388 Ignore Report Reply
>>55383
But it was marketed as "realistic" sci fi and people actually give it high notes on that merit alone

opinion:discarded
>>
John Riccioli - Wed, 20 Jul 2016 14:20:21 EST ID:A8umB7n3 No.56282 Ignore Report Reply
Bump
>>
Edmond Halley - Wed, 27 Jul 2016 04:39:06 EST ID:pjhpxsvC No.56294 Ignore Report Reply
>>54848
>I guess I'm just not a big fan of Nolan himself. I couldn't sit through Inception even though I tried to watch it at least 3 times. These kind of movies rely too much on short, loud, shocking, and emotional scenes to keep the audience captivated and I can't stand that shit.

Wait what? Did we see the same Inception? Inception didn't have any emotional scenes. It only had scenes where people were being emotional.

The whole film was a dry emotionless philosophical stroll through a virtual reality hidden in a virtual reality hidden in a virtual reality hidden in a virtual reality...


microscopic telescope Ignore Report View Thread Reply
Galileo Galilei - Fri, 22 Jul 2016 13:11:48 EST ID:nsJ3UhuK No.56285
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I just wondered, I have never heard of a microscopic telescope. By this I mean a device along the lines of a large nature-style camera lens or traditional telecope that is able to zoom in to the target area of a physical item and produce a 3d environment of that area through the lens? Surely theres an infinite amount of detail from a physical item We have all this advanced astronomical technology these days to look at things that lie in the distance. What would happen if technology was put into microscopic telecopes thanks everyone

TLDR: a lens of intricately layered magnifying glasses that self multiply
>>
Johann Bode - Sat, 23 Jul 2016 10:39:53 EST ID:aZptiHhB No.56287 Ignore Report Reply
>>56285
The resolution of a telescope can be limited by a few things, diffraction, the atmosphere, the quality of the optics and the sampling of the camera. You suggest adding a microscope, in optics that concept already exists as focal extenders which increase the effective focal length of the telescope increasing the magnification. The problem is more magnification will only improve the resolution of a telescope if it's resolution is sampling limited, that means the pixels are too big to capture the full resolution. The vast majority of telescopes are not sampling limited, generally they are limited by the atmosphere or by diffraction if they are in space or use adaptive optics. No matter how much you increase the magnification you will never beat those limits. There is not an infinite about of detail you can achieve, there are physical limits such as diffraction. A telescope like Hubble is diffraction limited what you suggest would not improve it's resolution. You can only improve on diffraction buy building a bigger telescope or using shorter wavelengths.

You can't use this to make a 3D map either.


First telescope..? Ignore Report View Thread Reply
Galileo Galilei - Tue, 15 Mar 2016 15:07:05 EST ID:ZvL5JrzH No.56129
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Hi guys.
When I'm high at night, I love to watch moon/stars/...
So I figured it would be nice to look at it with a telescope ...
The problem is that I know absolutely nothing in astronomy !!!
I need some advice for choosing a telescope not too expensive (Max budget: $200)
>What can I expect to see with that?

(I live in a small town without light pollution)
4 posts and 1 images omitted. Click View Thread to read.
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Edward Pickering - Mon, 06 Jun 2016 21:11:32 EST ID:qdIfo3Zb No.56218 Ignore Report Reply
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>>56129
I know it's been a few months, but maybe you'll see it if you haven't bought one yet. I have a Celestron NexStar 102GT and it is awesome. It has the capability to track objects and it has decent magnification. It was right in the $200 range iirc, but I bought it years ago. I'm able to see the rings of Saturn(though it just looks like one ring). A couple of nights ago i realized Jupiter was in the sky and I was able to actually see some of the differing colors of the cloud bands. That was really cool. Pic is a snapshot from a video I took using a mount for my phone.
>>
Edward Pickering - Mon, 06 Jun 2016 21:13:53 EST ID:qdIfo3Zb No.56219 Ignore Report Reply
>>56218

Well shit, picture looks worse on the computer than it does on my phone, but you can still make out the different colors.
>>
Joseph-Louis Lagrange - Sat, 02 Jul 2016 05:42:36 EST ID:hj23kf14 No.56259 Ignore Report Reply
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>>56219


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