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Post by YAKMAN is ICHIBAN on Jul 12, 2022 8:48:05 GMT -5
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Post by thechase on Jul 12, 2022 9:58:32 GMT -5
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Post by karl100589 on Jul 12, 2022 12:48:55 GMT -5
That star in the middle is gonna travel to earth to stop George Bailey throwing himself off a bridge.
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Post by Cyno on Jul 12, 2022 13:12:59 GMT -5
All those little swirls are massive galaxies made up of billions upon billions of stars each. And this is just a tiny slice of how big the universe is.
Really puts into perspective how tiny and insignificant we are in the grand cosmos.
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dav
Hank Scorpio
Posts: 6,048
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Post by dav on Jul 12, 2022 13:57:36 GMT -5
All those little swirls are massive galaxies made up of billions upon billions of stars each. And this is just a tiny slice of how big the universe is. Really puts into perspective how tiny and insignificant we are in the grand cosmos.
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Post by thechase on Jul 12, 2022 14:07:32 GMT -5
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Post by Mighty Attack Tribble on Jul 12, 2022 14:20:52 GMT -5
All those little swirls are massive galaxies made up of billions upon billions of stars each. And the more red the galaxies are, the further away they are. There's galaxies in that photo that are potentially 10+ billion light years away. Here's a quick comparison between the JWST and the Hubble Telescope: Hubble needed 12 days of exposure to take that photo. The JWST needed just under 12 hours.
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Post by Cyno on Jul 12, 2022 15:02:26 GMT -5
All those little swirls are massive galaxies made up of billions upon billions of stars each. And the more red the galaxies are, the further away they are. There's galaxies in that photo that are potentially 10+ billion light years away. Here's a quick comparison between the JWST and the Hubble Telescope: Hubble needed 12 days of exposure to take that photo. The JWST needed just under 12 hours. Those red galaxies probably don't even exist as is anymore. Given how slow the speed of light is in these things, we're essentially looking at an after image from billions of years in the past.
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tirtefaa
Unicron
If you wanna know the truth, you gotta dig up Johnny Booth.
Posts: 2,941
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Post by tirtefaa on Jul 12, 2022 15:17:19 GMT -5
Were these images produced with false color?
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Post by Mighty Attack Tribble on Jul 12, 2022 15:48:12 GMT -5
Were these images produced with false color? Yes. As I understand it, the JWST operates primarily on infrared wavelengths, as opposed to Hubble's optical and UV, but both only produce monochrome images.
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Post by Cyno on Jul 12, 2022 16:45:48 GMT -5
The impressive thing is the resolution of the image. It makes the Hubble telescope image look like blurry crap.
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Post by Mighty Attack Tribble on Jul 12, 2022 23:23:18 GMT -5
The impressive thing is the resolution of the image. It makes the Hubble telescope image look like blurry crap.
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Johnny B. Decent
Patti Mayonnaise
Had one once
Everybody's Favorite Arizonian.
Posts: 31,082
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Post by Johnny B. Decent on Jul 12, 2022 23:24:16 GMT -5
And the more red the galaxies are, the further away they are. There's galaxies in that photo that are potentially 10+ billion light years away. Here's a quick comparison between the JWST and the Hubble Telescope: Hubble needed 12 days of exposure to take that photo. The JWST needed just under 12 hours. Those red galaxies probably don't even exist as is anymore. Given how slow the speed of light is in these things, we're essentially looking at an after image from billions of years in the past. How....how does that work?
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hassanchop
Grimlock
Who are you to doubt Belldandy?
Posts: 14,812
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Post by hassanchop on Jul 12, 2022 23:35:33 GMT -5
That star in the middle is gonna travel to earth to stop George Bailey throwing himself off a bridge. Correction here is what the star will do
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tirtefaa
Unicron
If you wanna know the truth, you gotta dig up Johnny Booth.
Posts: 2,941
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Post by tirtefaa on Jul 12, 2022 23:39:24 GMT -5
How....how does that work? It's just a matter of light that is so bright that it is able to travel to a distance where it can still be seen unhindered. Given that the sheer illumination is that powerful that it just can travel in finite form through the vacuum of space, then there is no reason for it not to reach us. It just goes to show you how very very large our universe is, afterall it takes over 8 minutes for light to travel from the Sun to the Earth.
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Post by Mighty Attack Tribble on Jul 13, 2022 0:06:01 GMT -5
Those red galaxies probably don't even exist as is anymore. Given how slow the speed of light is in these things, we're essentially looking at an after image from billions of years in the past. How....how does that work? Put as simply as possible, the light that the JWST saw to create that image took (according to the supplementary notes provided by NASA) 13.11 billion years to travel from where the most distant galaxy is to the lens of the telescope. Given that most stars "live" far less than that (the brighter they are the faster they "die") we are receiving light from galaxies where 50-75% stars will have been dead for billions of years, and won't see the change as a result of those stars dying for billions more years.
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Post by Hit Girl on Jul 13, 2022 0:54:52 GMT -5
The impressive thing is the resolution of the image. It makes the Hubble telescope image look like blurry crap. Hubble - "This is the thanks I get after all these years? Y'all can kiss my telescopic ass!"
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Post by Mighty Attack Tribble on Jul 13, 2022 1:23:53 GMT -5
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JIMBOB
Unicron
PLAY! REWIND! RELIVE!
Posts: 2,676
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Post by JIMBOB on Jul 14, 2022 11:59:42 GMT -5
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Johnny B. Decent
Patti Mayonnaise
Had one once
Everybody's Favorite Arizonian.
Posts: 31,082
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Post by Johnny B. Decent on Jul 14, 2022 12:44:32 GMT -5
OK, so, if there were sentient life in one of the galaxies with the red stars that are supposedly now dead, and they saw us with their own telescope, would they see us billions of years in the past, too?
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