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Astronomy Question

Eregion2

Posted: September 12, 2009 06:15 pm

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New Hubble photographs, aye.

I'm total astronomy newb, so bare with me.

This reminded me of something random. I remember reading that galaxies are so sparsely spread through space that - mostly - they could "collide" but really only pass right through each other without any serious consequences. But I thought the whole idea of space was that planets/stars and whatnot are kind of held together in reference to each other by gravitational forces, so if one galaxy were to pass through another wouldn't they rip each other to shreds?

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WG_Keanu

Posted: September 12, 2009 06:26 pm

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Yeah they should. Where'd you read that?

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[05:42] <+WG_Keanu> I think I got a semi just looking at the pic
[05:42] <%kat> same

Eregion2

Posted: September 12, 2009 06:28 pm

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I don't remember. But that'd be so awesome to see.

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WG_Keanu

Posted: September 12, 2009 08:03 pm

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QUOTE (Eregion2 @ September 12, 2009 07:28 pm)

I don't remember. But that'd be so awesome to see.

Yeah. As long as it's not THIS galaxy

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[05:42] <+WG_Keanu> I think I got a semi just looking at the pic
[05:42] <%kat> same

Eregion2

Posted: September 12, 2009 08:27 pm

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I wonder how a massive, planet-to-planet collision would work out. Seconds before impact, could a massively larger object "reverse" gravity on the parallel surface of a much smaller object, actually suspending things in free orbit immediately before a smashing impact? I imagine it would all happen too fast.

In other news, Sauron has picked up his next roll in sci-fi.

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Bassism

Posted: September 12, 2009 08:47 pm

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In the 5th picture, it talks about 4 galaxies gravitationally interacting with each other, and an expert speculates that eventually they will merge together, he doesn't specify whether it'll be destructive or not, but merge doesn't sound as destructive as collide, or destroy.

The universe scares me, whenever I read about it, particularly seeing the numbers, it makes me realise how infinitesimally small I am.

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Quikdrawjoe

Posted: September 12, 2009 09:21 pm

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Think how much space there is between planets. It would be unlikely they would collide.

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July 5, 2007 - June 27, 2011

WG_Keanu

Posted: September 13, 2009 02:23 am

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QUOTE (Bassism @ September 12, 2009 09:47 pm)

The universe scares me, whenever I read about it, particularly seeing the numbers, it makes me realise how infinitesimally small I am.

Now look at your fingernail. Imagine how many billions and billions of atoms make up the cells on just that small part of your body and then ponder over how infinitesimally huge you are. Always works for me

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[05:42] <+WG_Keanu> I think I got a semi just looking at the pic
[05:42] <%kat> same

Nick

Posted: September 13, 2009 04:09 am

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The only reason I do not agree with the common views of Christianity is because of images like that. If Earth is just a planet in this solar system in this galaxy, what is outside of our galaxy and who else is out there?

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Kiwi011

Posted: September 13, 2009 04:14 am

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maybe those galaxies have already been ripped apart its just taken forever for the light to come into view.

maybe it looks like they are colliding but they are light years apart from eachother and they are behind/infront of each other by billions of miles upon miles....

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Kwaichi

Posted: September 13, 2009 05:53 am

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Our life is too short to bother with such as these things.

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Bassism

Posted: September 13, 2009 10:20 am

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QUOTE (WG_Keanu @ September 13, 2009 02:23 am)

QUOTE (Bassism @ September 12, 2009 09:47 pm)

The universe scares me, whenever I read about it, particularly seeing the numbers, it makes me realise how infinitesimally small I am.

FFFFFFFFFUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU-

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Fullmetal792

Posted: September 14, 2009 05:02 pm

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Pic 6 - Woah...

QUOTE

Albert Einstein predicted that the gravity of massive objects could actually bend light, creating an optical illusion. Hubble's newly updated Advanced Camera for Surveys (ACS) captured a dramatic example of this phenomenon, known as "gravitational lensing."

In a set of four photographs released September 9, 2009, the massive galaxy cluster Abell 370 bends the light of galaxies behind it, creating funhouse mirror-like reflections in space.

Does anyone else find this amazing, or am I the only one? That galaxy is bending light, like actually bending it, not just making it go another direction with a mirror or something, its gravity is enough to drag the light off of a straight line! That probably sounded insane when Einstein suggested it, but now... Just wow.

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Thanks Sam for an awesome job and an awesome wait!
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QUOTE	Back to Own)

I never send PMs over RSC
But you sir, are a legend

WG_Keanu

Posted: September 14, 2009 05:11 pm

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^ Also means that we can't rely on sight for accuracy in terms of the universe if light itself is being distorted but yeah it's pretty cool

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[05:42] <+WG_Keanu> I think I got a semi just looking at the pic
[05:42] <%kat> same

Samurai-JM

Posted: September 14, 2009 05:21 pm

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CRAZY IDEA THEORY: Each atom in our bodies is actually a galaxy, and each proton/neutron/electron is like a star or planet, and equally each star, planet and galaxy that we see up there is just an atomic particle in someone elses universe. mind = blown.

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-=}¤- Vi Veri Veniversum Vivus Vici -¤{=-

W I N N I N G

Abmanju

Posted: September 14, 2009 10:01 pm

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QUOTE (Samurai-JM @ September 14, 2009 05:21 pm)

Holy crap.

P.S. Holy crap

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"I may not agree with what you say but I will defend to the death your right to say it."
Wg Council & Secondary Leader - 21/10/07 to 24/12/08
Msn: [email protected]

Renegade3540

Posted: September 14, 2009 10:41 pm

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QUOTE (Abmanju @ September 14, 2009 05:01 pm)

QUOTE (Samurai-JM @ September 14, 2009 05:21 pm)

Holy crap.

P.S. Holy crap

My God, I don't even ...

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Eregion2

Posted: September 14, 2009 11:14 pm

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You guys have never thought about that before?

Jeez, I must have been a really weird kid.

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Bassism

Posted: September 14, 2009 11:50 pm

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QUOTE (Samurai-JM @ September 14, 2009 05:21 pm)

Watched Men in Black recently?

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Kiwi011

Posted: September 15, 2009 01:27 am

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QUOTE (Eregion2 @ September 14, 2009 11:14 pm)

You guys have never thought about that before?

Jeez, I must have been a really weird kid.

lol dw, ive thought the same thing before too

rofl @ mib

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Stokenut

Posted: September 15, 2009 01:37 am

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This will happen to our own galaxy in about 3 billion years.

The Milky Way and Andromeda galaxy are on a collision course. In about 3 billion years, the two galaxies will collide. Then over a span of 1 billion years or so after a very complex gravitational dance, they will merge to form an elliptical galaxy.

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Over 6 years of history and friendship, deleted over a difference in an opinion.

---

Challenge any creationist to a debate.
They'll run away and aggressively accuse you of "attacking" them and their "beliefs".
I'm sorry, please, keep teaching our kids that they'll burn in hell if they don't believe. Mutilate their genitals against their will while you're at it. Keep influencing politics and holding back vital scientific research.
I'll just keep my mouth shut to "respect" your "beliefs".

Kiwi011

Posted: September 15, 2009 02:43 am

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the real question is what is anti matter, and if you can contain it in something, wtf is it.

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Nick

Posted: September 15, 2009 03:04 am

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QUOTE (Samurai-JM @ September 14, 2009 12:21 pm)

Epic theory. Never thought of that in terms of human beings being their own galaxy, but I have thought about things that make the galaxies that we see in space.

By the way, I went through some sources and have made a Hubble Telescope image my desktop background.

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Samurai-JM

Posted: September 15, 2009 03:35 am

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QUOTE (Bassism @ September 14, 2009 06:50 pm)

QUOTE (Samurai-JM @ September 14, 2009 05:21 pm)

Watched Men in Black recently?

not really, but yea same basic principle huh

I SEEN IT FIRST *copyrights and patents idea of atomic universes*

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-=}¤- Vi Veri Veniversum Vivus Vici -¤{=-

W I N N I N G

Eregion2

Posted: September 15, 2009 03:37 am

IRC Nickname: Wayne|Eregion2
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QUOTE (Stokenut @ September 14, 2009 08:37 pm)

I'd hold my breath but... yeah.

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