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NASAs stunning video of the Lagoon Nebula will put your life in perspective (Original Post) Soph0571 Apr 2018 OP
Stunning! mcar Apr 2018 #1
As the good book said... JHB Apr 2018 #2
That was a really good book. edhopper Apr 2018 #4
Always know where your towel is. JHB Apr 2018 #5
I actually edhopper Apr 2018 #7
And the answer is... jeffreyi Apr 2018 #20
Sure edhopper Apr 2018 #22
What is six times nine? nt ProudLib72 Apr 2018 #41
..... paleotn Apr 2018 #15
So long raven mad Apr 2018 #25
It is one of the 5 volumes in the trilogy... Wounded Bear Apr 2018 #55
Well, heck - that Zaphod Beeblebrox is almost sTrumpet-like. raven mad Apr 2018 #57
From the actors who play Beeblebrox and Arthur Dent: muriel_volestrangler Apr 2018 #60
LOL! Perfect! I never saw the video/movie - raven mad Apr 2018 #61
I suspect you can't listen to them, but the BBC just broadcast a radio adaptation of the 6th book muriel_volestrangler Apr 2018 #62
Wow FM123 Apr 2018 #3
Millions of stars edhopper Apr 2018 #6
sins? what sins? paleotn Apr 2018 #16
A million billion stars edhopper Apr 2018 #23
But god touches everyone, right? Just friendly or perversion? erronis Apr 2018 #30
"My Stars! It's full of God!"................. lastlib Apr 2018 #43
favorite movie edhopper Apr 2018 #44
(Mine, too!) lastlib Apr 2018 #58
The Lagoon Nebula is estimated to be between 4,000-6,000 light-years from the Earth. NurseJackie Apr 2018 #8
This message was self-deleted by its author edhopper Apr 2018 #21
If a star is sending energy into the nebula. Blue_true Apr 2018 #35
Sounds logical to me. NurseJackie Apr 2018 #37
How many days does it take to walk across it :-D TheBlackAdder Apr 2018 #9
Don't know but I would onethatcares Apr 2018 #12
A light year is 5.9 trillion miles. Blue_true Apr 2018 #34
Magnificent malaise Apr 2018 #10
Kick and recommend. Beautiful. bronxiteforever Apr 2018 #11
Uh, words. dchill Apr 2018 #13
Thank you for posting this!!! LongTomH Apr 2018 #14
I just love these presentations! BobTheSubgenius Apr 2018 #17
As more and more of the universe is revealed and detailed to us Plucketeer Apr 2018 #18
The best thing that could happen to our biosphere and species misanthrope Apr 2018 #45
The universe is so beautiful. zanana1 Apr 2018 #19
This thread is a Total Perspective Vortex! muriel_volestrangler Apr 2018 #24
Douglas Adams is desperately missed. longship Apr 2018 #27
The nebula is amazing and so is it's environment, that blue-white star... Anon-C Apr 2018 #26
O, B, A, F, G, K, M are the stellar spectral classes from hottest to coolest, more massive to less. longship Apr 2018 #28
The theory is that very large stars explode into supernova Blue_true Apr 2018 #36
Probably not longship Apr 2018 #39
Not within a galaxy. Blue_true Apr 2018 #49
The large stars go supernova when their cores can no longer gain energy from fusion. longship Apr 2018 #40
Maybe I am wrong. Blue_true Apr 2018 #50
We must enjoy the Stelliferous Era while it lasts! ProudLib72 Apr 2018 #42
How about the black hole era? longship Apr 2018 #46
I will have given up by that point ProudLib72 Apr 2018 #47
We would never know what hit us. Blue_true Apr 2018 #52
Oh be a fine girl, kiss me... The_jackalope Apr 2018 #51
Or, Oh Be A Fine Guy Kiss Me. longship Apr 2018 #53
I'll take "Gremlin" for $1000, Alex... The_jackalope Apr 2018 #54
Cool video, but I could do without the entitled snarkiness of the writer at the linked site. LuvLoogie Apr 2018 #29
Ooooooooohhhhhhhhhhhhhhh, Delphinus Apr 2018 #31
Daaaaaang... calimary Apr 2018 #32
Is this a scene oswaldactedalone Apr 2018 #33
Thanks soph, this thread rates as one of the best! calikid Apr 2018 #38
Beautiful, Mahalo, Soph! Cha Apr 2018 #48
A magnificent view to start my day! Wwcd Apr 2018 #56
beautiful! Demovictory9 Apr 2018 #59

raven mad

(4,940 posts)
25. So long
Sat Apr 21, 2018, 07:09 PM
Apr 2018

and thanks for all the fish.

(May not be the right book, but I always loved that title........)

raven mad

(4,940 posts)
57. Well, heck - that Zaphod Beeblebrox is almost sTrumpet-like.
Sun Apr 22, 2018, 12:03 PM
Apr 2018

But we Dems know the answer is 42.

Don't forget your towel!

muriel_volestrangler

(101,271 posts)
60. From the actors who play Beeblebrox and Arthur Dent:
Sun Apr 22, 2018, 05:36 PM
Apr 2018
Both actors noticed similarities between the President of the Universe and another modern day president. Mark Wing-Davey points out “Zaphod has a narcissism that reminds me rather of the current guy who is the president of the United States." Simon Jones adds to this: "Douglas was a little bit of a prophet there. Little did he know there would be a real life Zaphod Beeblebrox.”

http://www.bbc.co.uk/programmes/articles/4lVZcX2xDThMtL0V4LzsW0s/the-recording-at-the-end-of-the-universe

raven mad

(4,940 posts)
61. LOL! Perfect! I never saw the video/movie -
Mon Apr 23, 2018, 12:30 AM
Apr 2018

and still love it when anyone has a comeback for Douglas Adams's novels! The movie is on IMDB now, maybe I'll take the time!

Mark Wing-Davie, YOU get the for pure insight!

OMG - and Ford Prefect.................... and that'll teach YOU to put a planet in the way of an interstellar highway..........

SEE WHAT YOU MADE ME DO??? Now I have to go dig out all the books and I don't know which box they're in (we moved recently).

muriel_volestrangler

(101,271 posts)
62. I suspect you can't listen to them, but the BBC just broadcast a radio adaptation of the 6th book
Mon Apr 23, 2018, 03:06 AM
Apr 2018

ie Eoin Colfer's "And Another Thing" (not as good as Adams, but still, it's there) which was what they were recording. And they are broadcasting the 1st 2 radio series. See if you can listen to them at this link:

https://www.bbc.co.uk/programmes/b03v379k/episodes/player

FM123

(10,053 posts)
3. Wow
Sat Apr 21, 2018, 09:04 AM
Apr 2018

I often find myself saying "Oh my stars!" about one stupid thing or another, but in this case...
Oh my stars!

edhopper

(33,483 posts)
6. Millions of stars
Sat Apr 21, 2018, 09:08 AM
Apr 2018

with millions of planets, with perhaps, untold numbers of lifeforms.
I wonder if Jesus died for there sins too?

paleotn

(17,884 posts)
16. sins? what sins?
Sat Apr 21, 2018, 11:09 AM
Apr 2018

Oh, damn! That's right! I shouldn't have had that barbecue last night. Damn those pigs! They're so tasty.

erronis

(15,183 posts)
30. But god touches everyone, right? Just friendly or perversion?
Sat Apr 21, 2018, 07:41 PM
Apr 2018

I so want to die a blasphemer against any/all religions. If someone notices that I have agreed to some "final rites", throw me in the sewer.

NurseJackie

(42,862 posts)
8. The Lagoon Nebula is estimated to be between 4,000-6,000 light-years from the Earth.
Sat Apr 21, 2018, 09:17 AM
Apr 2018
https://en.wikipedia.org/wiki/Lagoon_Nebula
Characteristics

The Lagoon Nebula is estimated to be between 4,000-6,000 light-years from the Earth. In the sky of Earth, it spans 90' by 40', which translates to an actual dimension of 110 by 50 light years. Like many nebulas, it appears pink in time-exposure color photos but is gray to the eye peering through binoculars or a telescope, human vision having poor color sensitivity at low light levels. The nebula contains a number of Bok globules (dark, collapsing clouds of protostellar material), the most prominent of which have been catalogued by E. E. Barnard as B88, B89 and B296. It also includes a funnel-like or tornado-like structure caused by a hot O-type star that emanates ultraviolet light, heating and ionizing gases on the surface of the nebula. The Lagoon Nebula also contains at its centre a structure known as the Hourglass Nebula (so named by John Herschel), which should not be confused with the better known Hourglass Nebula in the constellation of Musca. In 2006 the first four Herbig–Haro objects were detected within the Hourglass, also including HH 870. This provides the first direct evidence of active star formation by accretion within it.[2]

Response to NurseJackie (Reply #8)

Blue_true

(31,261 posts)
35. If a star is sending energy into the nebula.
Sat Apr 21, 2018, 09:16 PM
Apr 2018

Couldn't that be evidence of a high energy particle strike mechanism for triggering cloud collapse to form stars? Radiation emitted by some stars is capable of setting off cosmic particles, which in theory could strike clouds of hydrogen and dust material any induce fusion, which would subsequently draw in mass and more cosmic particles as a charge imbalance develops within the struck region of the cloud.

onethatcares

(16,162 posts)
12. Don't know but I would
Sat Apr 21, 2018, 10:31 AM
Apr 2018

thoroughly hydrate before and while on the excursion.

Take some trail mix snacking, something high in protein.

LongTomH

(8,636 posts)
14. Thank you for posting this!!!
Sat Apr 21, 2018, 11:03 AM
Apr 2018

We can get many things from viewing the lovely video: We can marvel at the wonder of the universe; we can put our Earthly problems in perspective; we can understand that even stars are born and die, which can help us accept our own mortality; or we can just enjoy the beauty of the fantastic nebula.

 

Plucketeer

(12,882 posts)
18. As more and more of the universe is revealed and detailed to us
Sat Apr 21, 2018, 11:14 AM
Apr 2018

it serves to show us just HOW insignificant we are in the grand scheme of things. And I - not having a god to park my fears with - am perfectly fine with the idea that I'm really no more, nor less, influential to the universe than the best or worst that humanity has to offer.

misanthrope

(7,410 posts)
45. The best thing that could happen to our biosphere and species
Sun Apr 22, 2018, 12:26 AM
Apr 2018

would be the ability for every human alive to leave the planet and spend a small amount of time at least in near-Earth orbit. The effects of such have been noted going back to the 1960s.

Overview Effect

muriel_volestrangler

(101,271 posts)
24. This thread is a Total Perspective Vortex!
Sat Apr 21, 2018, 01:04 PM
Apr 2018

Take it away, Douglas Adams:

The Vortex derives its picture of the whole universe on the principle of extrapolated matter analyses. To explain - since every piece of matter in the universe is in someway affected by every other piece of matter in the universe, it is, in theory, possible to extrapolate the whole of creation - every galaxy, every sun, every planet, their orbits, their composition, and their economic and social history, from, say - one small piece of fairy cake.

The man who invented the Total Perspective Vortex did so, basically, in order to annoy his wife. Trin Tragula, for that was his name, was a dreamer, a speculative thinker, or, as his wife would have it, an idiot. And she would nag him incessantly about the utterly inordinate amount of time he would spend staring out into space, or mulling over the mechanics of safety pins, or doing spectrographic analyses of pieces of fairy cake. “Have some sense of proportion,” she would say, thirty-eight times a day.

And so he built the Total Perspective Vortex - just to show her. And in one end he plugged the whole of reality, as extrapolated from a fairy cake, and in the other end he plugged his wife - so that when he turned it on she saw in one instant the whole infinity of creation and herself in relation to it. To Trin Tragula’s horror, the shock annihilated her brain. But to his satisfaction, he realised he had conclusively proved that if life is going to exist in a universe this size, the one thing it cannot afford to have, is a sense of proportion.

http://www.clivebanks.co.uk/THHGTTG/THHGTTGradio8.htm

Anon-C

(3,430 posts)
26. The nebula is amazing and so is it's environment, that blue-white star...
Sat Apr 21, 2018, 07:25 PM
Apr 2018

...not much on it...likely the brightest star of NGC 6530:

http://www.messier.seds.org/xtra/ngc/n6530.html

"Its brightest star is a 6.9 mag hot O5 star, and Eichler gives its age as 2 million years. Woldemar Götz mentions this cluster as containing one peculiar Of star, an extremely hot bright star of spectral type O with peculiar spectral lines of ionized Helium and Nitrogen."

longship

(40,416 posts)
28. O, B, A, F, G, K, M are the stellar spectral classes from hottest to coolest, more massive to less.
Sat Apr 21, 2018, 07:40 PM
Apr 2018

Sol is a G-class star. By far, most stars are small, cool M-class red dwarfs.

The lifetimes of stars is shortest the more massive and hot they are, and longest the smaller and cooler. The lifetime of a red dwarf is likely trillions of years, an O-class star only a few million years, Sol maybe 10 billion or so years.

(For people's information.)


Blue_true

(31,261 posts)
36. The theory is that very large stars explode into supernova
Sat Apr 21, 2018, 09:24 PM
Apr 2018

once they grow pass a specific mass. But the largest star and hottest ever found is around 1 million times the mass of the Sun. Is it possible that the black holes at the center of galaxies are actually hyper massive stars that have an outside galaxy origin?

longship

(40,416 posts)
39. Probably not
Sat Apr 21, 2018, 11:17 PM
Apr 2018

The super massive black holes at the center of galaxies are millions or billions of solar mass. There are no stars that massive anywhere. Stars that large are in principle not theoretically possible.


Blue_true

(31,261 posts)
49. Not within a galaxy.
Sun Apr 22, 2018, 09:22 AM
Apr 2018

But I specifically asked whether stars that are formed in the universe proper could become massive enough to be Galaxy core black holes. If you think about how star systems and galaxies work, one thing that pops out is the repeating pattern of revolution around a core, a star sits at the core of it's star system, a black hole sits at the core of galaxies. The Galaxy core regulated the formation and size of stars within a galaxy, with none being more massive than the core. Mentally extrapolating, I can envision how a universe core can produce massive stars that become Galaxy core. But, then again, maybe I am off my rocker.

longship

(40,416 posts)
40. The large stars go supernova when their cores can no longer gain energy from fusion.
Sat Apr 21, 2018, 11:31 PM
Apr 2018

That happens when their cores fuse to iron from which fusion is no longer exothermic, so to speak. Further fusion is blocked and the core gravitationally collapses producing a supernova.

Iron is the end of the fusion line.

Blue_true

(31,261 posts)
50. Maybe I am wrong.
Sun Apr 22, 2018, 09:33 AM
Apr 2018

But I think that I read where some stars were found with elements more massive that Iron. But you are right, the theory on supernova formation is that a massive star stops fusing elements at it's core and as a result, no longer creates radiation that push outward and counteracts it's inward gravitational pull, so the star collapse under the force of it's own gravity. The Sun isn't considered massive enough to go supernova because it can't fuse anything larger than Helium at some point. The theory is that the Sun will use up all Hydrogen within it and expand to become a red giant as it fuses Helium (and coincidentally, destroy the Earth and every terrestrial planet), one the Helium is spent after many billions of years, the Sun will shed mass to the Galaxy to become a white dwaft star and it cools toward nothing.

ProudLib72

(17,984 posts)
42. We must enjoy the Stelliferous Era while it lasts!
Sat Apr 21, 2018, 11:40 PM
Apr 2018

I'm so not looking forward to the Degenerate Era.

ProudLib72

(17,984 posts)
47. I will have given up by that point
Sun Apr 22, 2018, 12:58 AM
Apr 2018

On the other hand, falling into a black hole might just be the most exciting end anyone could ever hope for...at least for the first couple of days.

Blue_true

(31,261 posts)
52. We would never know what hit us.
Sun Apr 22, 2018, 09:39 AM
Apr 2018

Imagine an airplane flying trillions of miles per hour having a decompression. We would be instantaneously vaporized, before we could even recognize what is happening. Nice to give you such a joyous thought on such a beautiful Sunday morning.

 

Wwcd

(6,288 posts)
56. A magnificent view to start my day!
Sun Apr 22, 2018, 10:02 AM
Apr 2018

Thanks Soph0571

Its a perfect get-a-way to clear the mind & recenter our purpose.

I'll refer to it often, I'm sure.

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