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indigi posted:is anyone in here an astronomer or stellar physicist or w/e i know a little orbital mechanics? whats on yr mind
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Feb 22, 2018 22:58
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Jonny 290 posted:i know a little orbital mechanics? whats on yr mind what would happen if you just sorta hucked Mercury into the Sun? I'd guess nothing but maybe it would float on the surface of the plasma like a piece of wood
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Feb 22, 2018 23:00
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indigi posted:what would happen if you just sorta hucked Mercury into the Sun? I'd guess nothing but maybe it would float on the surface of the plasma like a piece of wood i'm pretty sure it would be torn into itsy-bitsy pieces by gravity before it actually hit the sun
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Feb 22, 2018 23:03
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this is the stupidest loving continuing saga in yospos
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Feb 22, 2018 23:06
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yeah the only thing in the air there is whether or not it becomes fusion fuel before it gets ripped apart by grav. im not so good on when things get hot, i like to goof with dumb rocks orbiting things
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Feb 22, 2018 23:07
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Glans Dillzig posted:this is the stupidest loving continuing saga in yospos thats exactly where i want to be
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Feb 22, 2018 23:07
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it would burn up like essentially anything you threw into the sun. the sun's a big ball of plasma so the concept of it's "surface" of it is not really comparable to like the Earth's surface. it just gets denser as you go in kinda like a gas giant
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Feb 22, 2018 23:08
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indigi posted:is anyone in here an astronomer or stellar physicist or w/e wwhaddup
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Feb 22, 2018 23:09
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prefect posted:i'm pretty sure it would be torn into itsy-bitsy pieces by gravity before it actually hit the sun no, roche radius of mercury as sun's satellite is smaller than sun's radius, and it would only decrease as mercury would evaporate at an accelerated rate on approach indigi posted:what would happen if you just sorta hucked Mercury into the Sun? I'd guess nothing but maybe it would float on the surface of the plasma like a piece of wood it would burn away on approach, alot, and the rest would burn on close contact. nothing would float - it would most certainly disintegrate. also, we would get royally hosed because orbits of everything would start readjusting and there is no way to tell if we would still remain in the inhabitable zone
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Feb 22, 2018 23:18
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^that's a great answer, I didn't think the Roche limit would come into play but I know like zero mathcinci zoo sniper posted:wwhaddup what's the diameter of a stellar gamma ray burst, like would it hit the entire Solar System or could it conceivably hit the Moon while missing the Earth
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Feb 22, 2018 23:19
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indigi posted:what's the diameter of a stellar gamma ray burst, like would it hit the entire Solar System or could it conceivably hit the Moon while missing the Earth sorry i absolutely suck at extrasolar stuff and weaboo rays/funy particles. basic geometry suggests that with conical bursts and pseudo-cylindrical jets the diameter and how much it hits depends on the distance to the source. i think we'd be gone way before if one could hit moon in a way that it doest hit earth
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Feb 22, 2018 23:24
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cinci zoo sniper posted:no, roche radius of mercury as sun's satellite is smaller than sun's radius, and it would only decrease as mercury would evaporate at an accelerated rate on approach drat, i got owned 
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Feb 22, 2018 23:29
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prefect posted:drat, i got owned dont worry, i wrote a uni thesis about comets being destroyed by sun and gravity
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Feb 22, 2018 23:32
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i got to see halley's when i was 6 and by god i'll see it again
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Feb 22, 2018 23:33
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BooLoo posted:I do! I just represented Czech Republic in the World Cup a few weeks back which was amazing. I’m good doing alright here, other than replying 6 pages too late Jonny 290 posted:i got to see halley's when i was 6 and by god i'll see it again yeah, I was 8 when it came by. still have a book they made to celebrate it passing by
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Feb 22, 2018 23:37
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how are you?
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Jonny 290 posted:i got to see halley's when i was 6 and by god i'll see it again same here i remember being told how lucky we were to be able to see it twice in one lifetime
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Feb 22, 2018 23:51
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I have (somewhere) a cassette of BBC Micro programs I mail-ordered that would let you track Halleys as it approached with some very simple graphics.
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Feb 22, 2018 23:54
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and now we can do it with a couple clicks, goddamn https://theskylive.com/halley-info
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Feb 23, 2018 00:01
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Pollyanna posted:so is it embarrassing for someone 3~4 years into their dev career to be considered a junior engineer you should not be a junior.
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Feb 23, 2018 00:04
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Jonny 290 posted:and now we can do it with a couple clicks, goddamn i still probably can calculate those from orbital elements
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Feb 23, 2018 00:05
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man if you can just figure out how big the gofundme needs to be for hams to get a bird up in Molniya orbit again, we'd be forever grateful everybody just jerks off with cheap launches and 800km high low orbit sats which are fun, and easy to work, sure, but christ they move fast and they only have like 12 mins above horizon thats what perplexes me about ole musky's plan to put 4000 birds in leo for 'the world internet' or whatever. handoffs gonna be a bish
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Feb 23, 2018 00:08
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 RIP AO-40, the finest jewel the amateur satellite community could muster ,hosed up by a lovely deployment
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Feb 23, 2018 00:09
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cinci zoo sniper posted:weaboo rays bet those bestow some really lovely superpowers.
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Feb 23, 2018 00:13
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just what we need - more space junk in the sky
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Feb 23, 2018 00:19
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Sniep posted:just what we need - more space junk in the sky https://en.wikipedia.org/wiki/Project_West_Ford quote:At the height of the Cold War, all international communications were either sent through undersea cables or bounced off the natural ionosphere. The United States Military was concerned that the Soviets might cut those cables, forcing the unpredictable ionosphere to be the only means of communication with overseas forces.[1] So, a ring of 480,000,000[3] copper dipole antennas (1.78 cm long needles, 25.4μm [1961] / 17.8μm [1963] in diameter)[4][5] was placed in orbit to facilitate global radio communication. The length was chosen because it was half the wavelength of the 8 GHz signal used in the study.[1] lmfao Clumps of them still gently caress up space navigation to this day and it is all regarded as space trash
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Feb 23, 2018 00:22
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cinci zoo sniper posted:sorry i absolutely suck at extrasolar stuff and weaboo rays/funy particles. basic geometry suggests that with conical bursts and pseudo-cylindrical jets the diameter and how much it hits depends on the distance to the source. i think we'd be gone way before if one could hit moon in a way that it doest hit earth what if a GRB hit the Sun, would there be any noticeable effect Jonny 290 posted:
I think he's just, in the technical sense, "full of poo poo"
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Feb 23, 2018 00:22
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Sniep posted:just what we need - more space junk in the sky lol @ this guy  https://www.dezeen.com/2018/01/30/rocket-lab-humanity-star-artificial-star-condemned-astronomers-space-graffiti-technology/ and the response https://twitter.com/plutokiller/status/956304964367802368
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Feb 23, 2018 00:26
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cjs demo to the team of my c sharp and VB scripting stuff went really well  looks like once i get it all back to the work network it'll integrate soundlyfirst, more experimentation time on syntax tree and semantic analysis of user scripts in situ if i can make a mini-editor that provides syntax highlighting and error squigglies for our scripting it'll be a good day for ol' ciaphas
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Feb 23, 2018 00:35
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linux is the biggest pain in the loving rear end and I'm sorry if you have to use it in any way
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Feb 23, 2018 01:03
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I guess I should say it's still a huge hunk of poo poo
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Feb 23, 2018 01:07
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SmokaDustbowl posted:I guess I should say it's still a huge hunk of poo poo hey smoka do you still wanna play SMAC PBEM? cazlab is being a dick so a spot has freed up if you wanna play as pirates: https://forums.somethingawful.com/showthread.php?threadid=3837337
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Feb 23, 2018 01:19
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cheese-cube posted:hey smoka do you still wanna play SMAC PBEM? cazlab is being a dick so a spot has freed up if you wanna play as pirates: https://forums.somethingawful.com/showthread.php?threadid=3837337 yeah probably
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Feb 23, 2018 01:22
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Jonny 290 posted:yeah the only thing in the air there is whether or not it becomes fusion fuel before it gets ripped apart by grav. im not so good on when things get hot, i like to goof with dumb rocks orbiting things mercury i guess is mostly iron and silicates. is the sun hot enough to fuse any of those things yet?
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Feb 23, 2018 01:22
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I'm going full hikikomori again. I went for a super long walk the other day and that was nice though. no I'm not a hoarder
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Feb 23, 2018 01:27
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Sagebrush posted:still have never seen that video and pretty content about it 
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Feb 23, 2018 01:29
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my office is right next to a park with a shitload of walking trails, so I’ve been trying to get into the habit of going on a half hour midday walk. i think just working straight through the day contributes to me feeling like poo poo in the evening.
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Feb 23, 2018 01:32
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President Beep posted:my office is right next to a park with a shitload of walking trails, so I’ve been trying to get into the habit of going on a half hour midday walk. make yourself a sandwich and go sit in the park for lunch
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Feb 23, 2018 01:33
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Sagebrush posted:mercury i guess is mostly iron and silicates. is the sun hot enough to fuse any of those things yet? our sun is still burning hydrogen into helium
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Feb 23, 2018 01:33
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SmokaDustbowl posted:make yourself a sandwich and go sit in the park for lunch not a bad idea.
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Feb 23, 2018 01:34
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im working at a new construction site that is requiring respirators and tyveks for an obscenely minute amount of noa tori would like it tho cause all the normal construction guys have to shave their beards in order to wear respirators and look like weird chubby man-babby faces
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Feb 23, 2018 01:41
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