· Get a Cloudy Nights T-Shirt · Submit a Review / Article Click here if you are having trouble logging into the forums Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu… uh, User You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Speciality Forums >> Science! Astronomy & Space Exploration, and Others Previous   Index   Next   Threaded   Pages: 1 PhilCo126 Carpal Tunnel Reged: 01/14/05 Loc: coastline of Belgium Amazing Galaxies       #5466671 - 10/12/12 10:57 AM Edit   Reply   Quote Quick Reply   We all know that IC1101 in the constellation Serpens is the largest galaxy (over 5 million light years across) astronomers have discovered so far... Galaxies have always intrigued astronomers and the picture showing Galaxies NGC3314A and NGC3314B is amazing as it looks like these are colliding but in fact there're millions of lightyears separating them: http://www.astro-photo.nl/deepsky/galaxies/ngc-3314-hst Post Extras:       rockethead26 Carpal Tunnel Reged: 10/21/09 Loc: Indiana, USA Re: Amazing Galaxies [Re: PhilCo126]       #5466690 - 10/12/12 11:08 AM Edit   Reply   Quote Quick Reply   Stunning photograph! Post Extras:       deSitter Still in Old School Reged: 12/09/04 Re: Amazing Galaxies [Re: rockethead26]       #5467376 - 10/12/12 08:39 PM Edit   Reply   Quote Quick Reply   It isn't at all clear that these galaxies are far away from each other. Look at the star-forming knots (blue) in each - the same basic size more or less. That alone implies relative proximity. Look at the yellowish mid-regions and dust lanes - the same. Ignore the spiral behind and follow the lines of that in front - misshapen. These galaxies are clearly interacting - and yet none are so blind as those who WILL not see. Tell me the galaxy in front is anything like normal! http://apod.nasa.gov/apod/image/0505/ngc3314_keel_big.jpg Here is one of the grand spectacles of nature, two galaxies with differing redshift that are clearly interacting, and yet the priestly class must genuflect. Put the telescope away Galileo, we refuse to look! -drl Post Extras:       deSitter Still in Old School Reged: 12/09/04 Re: Amazing Galaxies [Re: deSitter]       #5467410 - 10/12/12 09:10 PM Edit   Reply   Quote Quick Reply   Look here: http://cseligman.com/text/atlas/ngc33.htm#3314 Notice the small arcuate feature at 11 o'clock with three star-forming knots which bends backward against the grain of BOTH galaxies. Look at the jumbled mess at the right edge. Look at the opposite ends of the "rear" object, at 2 and 8 o'clock. Does that look like the opposite ends of a grand design spiral? NO. WHY is something like this ignored? Why do science when you refuse to believe your own eyes?? My favorite stupidity in reference to this galaxy goes like this - indeed the foreground galaxy is disturbed, but this came from another galaxy. now nowhere is sight - not of course the one visible right next to it!! Can you believe anyone could say something like this?? The fact is - these galaxies have dramatically different redshifts and yet are next to each other, and that can never, ever be admitted. There is no difference in principle, or in effect, than the Inquisitors demanding that Galileo repent his errors. -drl Edited by llanitedave (10/12/12 10:52 PM) Post Extras:       llanitedave Humble Megalomaniac Reged: 09/26/05 Loc: Amargosa Valley, NV, USA Re: Amazing Galaxies [Re: deSitter]       #5467516 - 10/12/12 10:55 PM Edit   Reply   Quote Quick Reply   Your link was broken, Danny. It's fixed now. Maybe it's just me, but it doesn't look to me like the star forming regions of the two galaxies are the same size, nor do the brightest individual stars (at least the ones that recognizably belong to one galaxy or the other) appear to me to be equivalent in brightness. The background galaxy appears to me to have fainter features, although overall, being more condensed, it's brighter. Post Extras:       deSitter Still in Old School Reged: 12/09/04 Re: Amazing Galaxies [Re: llanitedave]       #5467732 - 10/13/12 04:17 AM Edit   Reply   Quote Quick Reply   What is the chance that two galaxies of similar size overlap in such a way that their centers are coincident? This morphology is seen elsewhere, to a lesser degree - see Arp's catalog, e.g. Arp 299, 280 following. -drl Post Extras:       deSitter Still in Old School Reged: 12/09/04 Re: Amazing Galaxies [Re: deSitter]       #5467825 - 10/13/12 07:48 AM Attachment (15 downloads) Edit   Reply   Quote Quick Reply   Well if you want a smoking gun, I found the smoke. This is so patently obvious that I find it astounding that it hasn't been mentioned. Look where the arrow is pointing in the image below. The star swirls of the "rear" galaxy pass right over the dark gas/dust clouds of the "front" one, interrupting it. -drl Post Extras:       russell23 Post Laureate Reged: 05/31/09 Loc: Upstate NY Re: Amazing Galaxies [Re: deSitter]       #5470757 - 10/14/12 11:20 PM Edit   Reply   Quote Quick Reply   In this case I think there is no interaction. Here is a better example of what you are talking about: http://es.wikipedia.org/wiki/Archivo:NGC1275.jpg The dusty filaments in front of NGC 1275 have a redshift 3000 km s-1 greater than the Seyfert galaxy NGC 1275. There can be no disputing this one because absorption lines have been detected which place the object in the foreground of NGC 1275. Dave Post Extras:       russell23 Post Laureate Reged: 05/31/09 Loc: Upstate NY Re: Amazing Galaxies [Re: russell23]       #5470760 - 10/14/12 11:24 PM Edit   Reply   Quote Quick Reply   There is also NGC 1232 and NGC 1232a. The smaller companion to the lower left is NGC 1232A and it has a redshift ~ 4000 km s-1 greater than NGC 1232. In this instance it seems very clear that the resolution of features is of the same scale. Dave Post Extras:       Pages: 1 Previous   Index   Next   Threaded   Extra information 0 registered and 3 anonymous users are browsing this forum. 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