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Astronomy/Cosmology Discussion Thread

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Zimmerman
Posts: 6992 - Karma: 1,021
Use this thread for any interesting (it all is) talk about the universe(s?). Stars, galaxies, nebulae, the Big Bang, quasars, or whatever else brings out your inner Neil deGrasse Tyson or Michio Kaku. What do you think is the coolest thing you've learned about the Universe? Post pictures, videos, discussion, questions, upcoming events, and recent news/discoveries here.

I'll kick it off with that capture we all know and love: The Hubble Extreme Deep Field (XDF)
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“After all, what nobler thought can one cherish than that the universe lives within us all?”


Apr 22 2013 4:46PM
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Dirac
Posts: 1304 - Karma: 335
at least to the precision we can measure
Apr 25 2013 8:25PM
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Dirac
Posts: 1304 - Karma: 335
sorry for triple post, but I mean as you "zoom out". obviously all space is not flat. we have gravity.
Apr 25 2013 8:30PM
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cbj
Posts: 2114 - Karma: 1,136
You're a cunt, the particles are called Gravitons, and scientists have a theory that they pop in and out of existence... My theory is my own, if someone made something similar its coincidence because I thought of it by myself
Apr 26 2013 2:38PM
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PON3
Posts: 3817 - Karma: 783
Quit fighting.

This article will make you feel really small, enjoy.

http://www.slate.com/blogs/bad_astronomy/2013/04/25/betelgeuse_red_supergiant_blasts_out_arc_of_material_billions_of_miles_long.html
Apr 26 2013 4:05PM
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Dirac
Posts: 1304 - Karma: 335
if you are going to be a jerk at least get your shit straight. higgs boson is spin 0, graviton should have spin 2 if it exists
Apr 26 2013 4:06PM
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PON3
Posts: 3817 - Karma: 783
Also can we make this thread more about information about the universe via articles, books, video clips, and documentaries rather than debates? It would make the quality of this thread improved and create less shit storms.
Apr 26 2013 4:10PM
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BravoWhiskey5280
Posts: 4020 - Karma: 520
Our cultures attention towards Mars when it comes to space exploration needs to change. We should be investing the majority of the money in space exploration in the moons of Jupiter and Saturn. Tidal forces have created some extraordinary worlds out there. i.e. Titan being the only moon in our solar system with an active atmosphere..... Thats fucking crazy if you think about. Its the only terrestrial celestial body that we know of to have an atmosphere even though it is an incredibly long distance away from the sun.

The basic elements needed to support life HAVE been found there, via the Cassini spacecraft that dropped the Huygens probe onto the moon.

So yeah, fuck Mars. NASA has sent 32 spacecrafts to that geologically dead planet while they have only sent 3 to the outer planets in our atmosphere... I wanna know whats up out there. I guarantee its some crazy shit.
Apr 26 2013 6:53PM
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PON3
Posts: 3817 - Karma: 783
I totally agree. We should invest more of our resources into mission and goals that would be more realistic. I really hope they do the mission soon where they go to one of Saturn moons, and penetrate through the ice and see what that different world has to offer, rather than playing on rocks and drawing dicks on mars surface.

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Apr 26 2013 7:04PM
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Zimmerman
Posts: 6992 - Karma: 1,021
Fully agree on Mars. It really isn't that sick. It's like NASA's little foot fetish.


Also, related to that awesome article, who else really hopes they get to see Betelgeuse go supernova in their lifetime? I know it isn't very likely but it would be so damn cool.
Apr 27 2013 1:53PM
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PON3
Posts: 3817 - Karma: 783
I think it would be spectacular to witness. A year ago there was a supernova that was visable for a week or two, it was pretty cool how it flickered in the sky.

Speaking of supernovas.

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So crazy to think about all the forces involved with supernovas.
Apr 27 2013 2:31PM
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Freebird12
Posts: 114 - Karma: 295
I think people take the universe for granted and many dont realize how fucking crazy it is. Last night i was looking at the moon and just thinking "damn, we put someone on that thing" and it seems insane, even though that occured almost 50 years ago.

The Universe is also so HUGE that it baffles me. When something is "called close to us" and its like 500 million light years away i just can't handle that. How are we ever going to know even what one percent of the universe holds if our technology and exploration remain the same. We need to step it up.
Apr 27 2013 2:55PM
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PON3
Posts: 3817 - Karma: 783
Here is something that will blow your mind. With Saturn, there are moons with in the rings, and when the moons or these objects move with in the rings they create waves in the rings themselves.

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Its also crazy how many segments there are in saturns rings.
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And those rings arent as big as you think.
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Some parts of saturns rings range from 30 ft(10 meters) tall to a kilometer tall.
Apr 27 2013 3:02PM
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Zimmerman
Posts: 6992 - Karma: 1,021
I love the Crab. The fact that there's a pulsar in there is so damn cool.
Apr 27 2013 5:44PM
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Zimmerman
Posts: 6992 - Karma: 1,021
This is why I don't get what they mean when they say space is "flat." Space goes out in all directions...How can that be flat?
Apr 29 2013 7:59PM
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Zimmerman
Posts: 6992 - Karma: 1,021
http://www.sciencedaily.com/releases/2013/04/130425142250.htm

White dwarf orbiting a pulsar. Einstein's theories held true!
May 8 2013 12:00AM
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BravoWhiskey5280
Posts: 4020 - Karma: 520
My favorite astronomical phenomenon would probably have to be a binary star. Crazy to think about the physics and forces that must be involved in one of those things.
May 15 2013 1:31PM
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a_pla5tic_bag
Posts: 9217 - Karma: 5,399
you should all play kerbal space program. so much fun

May 15 2013 1:48PM
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HWW
Posts: 3084 - Karma: 3,436
what blows my mind is how disproportionately little regard is given to how important the universe around us is, and how meaningless our planet is compared to everything else around it.
May 15 2013 3:36PM
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HWW
Posts: 3084 - Karma: 3,436
and to add something relevant to this thread, here is an article about human life. it discusses how human cloning has been used to produce early embryos - this will possibly give us more insights into life in our universe.

http://www.bbc.co.uk/news/health-22540374
May 15 2013 3:38PM
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BravoWhiskey5280
Posts: 4020 - Karma: 520
For real. People don't realize that if something were to go out of sync in our solar system/galaxy/universe, than are whole world as we know it could come to an instant halt.
May 15 2013 4:11PM
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cbj
Posts: 2114 - Karma: 1,136
quality post
May 16 2013 3:15AM
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Dingo69
Posts: 1330 - Karma: -171
That meme always gets me
May 16 2013 4:11AM
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Rachy
Posts: 4355 - Karma: 2,761
Just got through reading Cosmo. Read title as astrology/Cosmetology. Amazing what a few letters can do. Think it's time to go back to Bill Bryson.
May 16 2013 4:15AM
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Dingo69
Posts: 1330 - Karma: -171
Thats interesting. Link? Or elaborate?
May 16 2013 4:23AM
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feihlination
Posts: 8356 - Karma: 1,084
also big question if there is a way for a really really really really advanced alien civilization to go up and beyond what we call "physical laws".

it seems that so much stuff if discovered each year, each decade, it seems almost silly to state a lot of things as "fact". just watched that video of michio kaku. nothing too new for me but a great summary and he put everything in relation together and that was nice.
May 16 2013 9:53AM
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BravoWhiskey5280
Posts: 4020 - Karma: 520
The little we know about space is what makes it fascinating to me. Its the ultimate question mark.
May 16 2013 8:15PM
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MatRich
Posts: 4789 - Karma: 1,813
I have been looking into getting a telescope and a canon mount to take pictures of the moon, saturn and certain galaxies.

I got really interested when I was taking this picture
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It blew my mind to see the moon moving in my camera screen as I had it on a tripod focusing. I felt so small and space felt so huge. It had me mesmerized with space since that moment and now I want to pick up a telescope and start hobbying away.
May 16 2013 8:21PM
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MatRich
Posts: 4789 - Karma: 1,813
Saturn is one of the most impressive things in our galaxy.
May 16 2013 8:22PM
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feihlination
Posts: 8356 - Karma: 1,084
unlikely
May 17 2013 7:15AM
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MatRich
Posts: 4789 - Karma: 1,813
*solar system.. my bad.
May 17 2013 6:10PM
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Algebra
Posts: 5215 - Karma: 1,677
IM GOING TO COLLEGE TO BE A COSMOTOLOGIST. Is that what this is about?
May 17 2013 6:22PM
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scrambledeggs
Posts: 380 - Karma: -1,291
better than this nerd shit.
May 17 2013 6:51PM
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scrambledeggs
Posts: 380 - Karma: -1,291
what's amazing to me is how god placed all the photons in the right place so that we know there are distant stars.

you might think this would go against the bible but actually if the scientists were right the sky would be as bright as the sun and we would not exists.
May 19 2013 7:29PM
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cbj
Posts: 2114 - Karma: 1,136
Get the fuck out.

What's amazing to me is that people still believe in that fairytale in this day and age. The bible was a book written by arabs 2000 fucking years ago, a time when they probably didn't even wipe their ass after they shit...

No the sky is not as bright as the sun you mental case. This is because only an infintesmal portion of the starlight actually is pointed in the right direction to hit earth. Also, the universe is most likely finite, and there is simply not enough stars in the observable universe to provide enough surface light to fill the entire sky. A lot of stars are very, very far away and most of their light gets picked off by gases and material floating in the vacuum. Another reason is because the universe is expanding, the frequency of the light emitted from these stars becomes more in the infrared range and not just in the visible light range.

You are stoopid
May 19 2013 9:10PM
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scrambledeggs
Posts: 380 - Karma: -1,291
o rly?
May 19 2013 9:13PM
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cbj
Posts: 2114 - Karma: 1,136
Yes. Either finite in space, time, or both. I was meaning in time.
May 19 2013 9:19PM
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scrambledeggs
Posts: 380 - Karma: -1,291
o rly?
May 19 2013 9:20PM
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anti_bunk
Posts: 2629 - Karma: 329
Neil Tyson /end thread
May 19 2013 10:40PM
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scrambledeggs
Posts: 380 - Karma: -1,291
how can something come from NOTHING ?

May 20 2013 12:31AM
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fujarome
Posts: 8630 - Karma: 1,561
aaaaaaaaaaaand downvote. Both because I always do, and because of your stupidity as displayed in this post.


without the video you actually present a valid point and question.


with the video you appear to be a piece of shit.


I'll sit here patiently awaiting my angry pm from you.
May 20 2013 12:55AM
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~bagelz~
Posts: 1105 - Karma: 1,067
Your a dipshit but this is actually valid point.
Its why I personally believe in the necessity of infinity atleast in time. Of course you could argue that if time is infinite the existence of our universe is relatively non existent but it does exist and if time was finite how would you explain the change from nothing to something and vice versa. Shits tripy
May 20 2013 6:49AM
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Zimmerman
Posts: 6992 - Karma: 1,021
"I'm only in school for cosmology that's why I act as lonely as you"
-Joey Bada$$


Will are you actually going to college to be a cosmologist? That's so damn awesome.




Also dammit get that egg fucker out of here.
May 20 2013 6:49AM
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Zimmerman
Posts: 6992 - Karma: 1,021
BOOOORING, most "stars" are actually binary systems. It's actually less typical to see a loner like our Sun.
Jul 25 2013 6:10PM
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