The Astronomy Thread

Chanur

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entanglement feels like something we discovered way too early and is still very obscure (at least to me). But saying something's future influence the past is on another level.
I need to read how they confirmed that because I don't see how it could be done. Any changes would by definition just be it's future.
 

Chanur

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In case anyone wonders why I never post planets with my little telescope, this is why. It's 'supposed' to be Saturn. No need to tell me, I know it looks like shit. The other pic is NGC 925 a galaxy 30 million light years away.
The galaxy looks amazing.
 
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Kajiimagi

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The galaxy looks amazing.
yeah thanks. I *may* have posted it before. I made a list of items I've shot and it wasn't on that list. However when I went to stack the photos I saw I already had a folder from a year ago with the same name.
 
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Tholan

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here's a tiny picture I took of Saturn with my DSLR and a 600mm lens (i may have posted it before also) :
saturne.png

This is really like "hey look this is Saturn, let's see if I can grab a pic of it", handheld. However, the settings of the camera are similar to a shot in a room during a day.
ISO 400
Aperture f/6.3
Duration : 1/60 s

I'm not sure how deep you can adjust the settings on your seestar ? But it's worth trying, I'm sure you could get all the moons (i didnt get any unfortunately)
 
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Kajiimagi

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here's a tiny picture I took of Saturn with my DSLR and a 600mm lens (i may have posted it before also) :
View attachment 608061
This is really like "hey look this is Saturn, let's see if I can grab a pic of it", handheld. However, the settings of the camera are similar to a shot in a room during a day.
ISO 400
Aperture f/6.3
Duration : 1/60 s

I'm not sure how deep you can adjust the settings on your seestar ? But it's worth trying, I'm sure you could get all the moons (i didnt get any unfortunately)
There are no settings unfortunately. Its a fixed unit , all the pics/images are processed via software. They keep messing with the firmware, before the one I posted it would not even let me stack images. I didn't buy it to post pics of planets.

I had the below telescope that was way too big / advanced for me. And it took me and my wife to set it up. Head weighted 80lbs. After I would get it aligned / dialed in my back would be on fire so much I would need to stop. It got to the point I sold it. I produced about the same quality of Saturn pic as you, maybe a little bit bigger, and yeah you could get some of the moons.

Attached pics of the Seestar on my camera tripod (with a balancing head) and my old Meade 12" telescope. I'm standing beside it to give you an idea of it's size.
 

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Lenardo

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yes, capsule apparently got hit by "space junk" they are evaluating the condition of the capsule to see if they can safely do re-entry.
 
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Pharazon2

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We can see 3i/atlas again. No tail is odd.
Nearly everything about it has been odd. Everybody who has been saying "Its a comet, its a comet, its a comet!" without explaining all the oddities since the start has been getting owned. Yeah maybe its still a natural object, but its not like any comet we've seen before.
 
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Julian The Apostate

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Nearly everything about it has been odd. Everybody who has been saying "Its a comet, its a comet, its a comet!" without explaining all the oddities since the start has been getting owned. Yeah maybe its still a natural object, but its not like any comet we've seen before.
But even then, how do you even get naturally occurring pure nickel? Everything about this object is defying the known laws of the universe as we know it, almost as if that’s the entire point of this object. Something our institutions and government can’t deny.
 

Pharazon2

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But even then, how do you even get naturally occurring pure nickel? Everything about this object is defying the known laws of the universe as we know it, almost as if that’s the entire point of this object. Something our institutions and government can’t deny.
Yep the nickel is a weird one, one of the many reasons you have to at least consider artificial origin.
 

Sheriff Cad

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Yep the nickel is a weird one, one of the many reasons you have to at least consider artificial origin.
If it's artificial origin then it is very, very old, right? Given it's trajectory, it appears to be in an orbit around the center of the galaxy just like the solar system, right? In the diagram below red is supposed to be 3i/Atlas and yellow is the solar system.

If it is artificial in origin, what would be the point of it? Could it just be space junk that someone just cast off? If it's launched intentionally, it was done by someone very very patient, as age estimates are 8-14 billion years old.

1762457145005.png
 
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MusicForFish

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I'm sure it's just some primordial 'soup' remnant. Hopefully all the info is shared and everyone puts aside the stigma created by all the "it's aliens" Avi Loeb people so they actually turn their instruments to it and get to recording as much as they can before it's out of range.
 
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Kharzette

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I like these objects because they show how bad our physics models are. Angry calculated that you'd need 9 starships of thrust burning for a day to account for the strange acceleration. I just think our math is wrong.

Wide binaries are always wrong, galaxy rotation is almost always wrong etc. Maybe they will sprinkle some magical dark matter fairy dust on the comet and explain the bad math away.
 
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Kiroy

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If it's artificial origin then it is very, very old, right? Given it's trajectory, it appears to be in an orbit around the center of the galaxy just like the solar system, right? In the diagram below red is supposed to be 3i/Atlas and yellow is the solar system.

If it is artificial in origin, what would be the point of it? Could it just be space junk that someone just cast off? If it's launched intentionally, it was done by someone very very patient, as age estimates are 8-14 billion years old.

View attachment 608326

Technically if it had any sort of thrust (as suggested by the original tail towards sun before it should have had one) then we wouldn't know it's orbit or age at all.

I personally think it's just a rare/new natural thing, but if it wasn't it wouldn't be that surprising given the oddities.
 

Furry

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I like these objects because they show how bad our physics models are. Angry calculated that you'd need 9 starships of thrust burning for a day to account for the strange acceleration. I just think our math is wrong.

Wide binaries are always wrong, galaxy rotation is almost always wrong etc. Maybe they will sprinkle some magical dark matter fairy dust on the comet and explain the bad math away.
This does not deviate from current physics models at all. While I wont contend that there's not lots of dark matter magic retardation that goes on with wider scale models, this is not a strong example to point to. Obviously its off-gassing a ton, but we're not seeing anything. Wracking my brain on it for a moment I came up with a simple hypothesis. Maybe its offgassing hydrogen, because its been floating in the dark void for billions of years? It'd obviously take an insanely long time for a drifting interstellar object to get coated in hydrogen. Sublimation would prevent that for any solar-system bound object. Even pluto is far too warm.

Either way its a cool object. I hope we can intercept one of these interstellar objects one day. It makes me wonder if some structures like nebula are cool enough for a traveling rock to gather hydrogen frost. I bet they are.