SH Archive Quasars and Space Gibberish

SH.org OP Username
KorbenDallas
SH.org OP Date
2019-07-24 14:40:45
SH.org Reaction Score
5
SH.org Reply Count
11

KD Archive

Not actually KorbenDallas
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Am I the only one who thinks that science and science fiction switched places? This dude in the video is hilarious due to all the unverifiable BS he delivers. With millions of views and subscribers, individuals like this contribute to the numbing and dumbing of the world population. That is my opinion, of course.

Check it out. Without them quasars we might not even be here...

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Username: zxcv0
Date: 2019-07-24 14:56:51
Reaction Score: 6
I’d click on it if I knew that Youtube wasnt going to spam my recommendations with space fairy tales for the next week!

In all seriousness, once you know that we’ve likely never been beyond the atmosphere of earth, space becomes like reality TV. It can be interesting to theorise about space in the same way that it might be interesting to think up of new dinosaurs as a mental exercise to kill 20 minutes. Fairy tales for adults.
 
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Username: Banta
Date: 2019-07-24 16:55:59
Reaction Score: 6
There has always been a powerful synergy between the two, but the blurring of the lines has gotten worse with the advent and promotion of astrophysics and related fields. It really seems to be mostly mythology about the sky, which has existed forever, through a lens of strict materialism. How true it is depends on whether you want to turn it into a religion too.

So "quasar" per Wiki: "A quasar (/ˈkweɪzɑːr/) (also known as a quasi-stellar object abbreviated QSO)".

Right, from quasi. Which means?

"seemingly; apparently but not really."

Oh.
 
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Username: Obertryn
Date: 2019-07-25 03:45:13
Reaction Score: 1
I'm always confused by how black holes can simultaneously be powerful enough that nothing can escape its gravitational pull, yet weak enough that there's a whole heap of gas, light, radiation and all kinds of other garbage just floating around it for prolonged periods of time. How strong are these things? Why do these science channels always skip over that part of the deal? Let's summarize:

1. A quasar is a supermassive black hole that has a gaseous accretion disk formed around it. As the gravitational and frictional forces at play compress and raise the temperature of the gas during its long fall into the black hole, energy is released in the form of electromagnetic radiation that can be observed by us. The power radiated by quasars is enormous, with the most powerful ones having a luminosity thousands of times greater than that of the Milky Way galaxy. Mind you, they also say there's a black hole in the center of the Milky Way galaxy, even though no-one has proved it.

There's even a recent comment on the video calling nonsense on the notion that we can even observe any of that stuff happening.
 
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Username: f3nt0n
Date: 2019-07-25 09:47:41
Reaction Score: 3
LOL, 'space gibberish' - my sentiments, exactly.

It's as though High Priest Newton planted a sapling with a rotten stem to begin with - then, as it grew and branched out, increasingly bizarre and ridulous reasons have been conjured from the imagination of acolytes to prop up the rotting edifice. Literally, anything goes.
It's a masterclass in group-think induced bullshittery.

The current 'Face of Space' - NDeGT - watched too much Star Trek as a kid. The names of some of his research papers:

"On the possibility of Gas-Rich Dwarf Galaxies in the Lyman-alpha Forest"
"uvby Photometry of Blue Stragglers in NGC 7789"
"Radial Velocity Distribution and Line Strengths of 33 Carbon Stars in the Galactic Bulge"
"The Expanding Photosphere Method Applied to SN1992am at cz = 14600 km/s"

and here, he explains 'what is gravity?'


Or... not.

In my lifetime, I haven't seen any coherent or believable explanation of what is just a few scant miles above our heads. That's either because we haven't figured it out yet, or that it suits someone, somewhere, that we don't.

 
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