A Conversation for Dark Nebulae
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Peer Review: A87875194 - Dark Nebulae
Galaxy Babe - eclectic editor Started conversation Jul 17, 2016
Entry: Dark Nebulae - A87875194
Author: Galaxy Babe - eclectic editor - U128652
Fascinating stuff.
GB
A87875194 - Dark Nebulae
Gnomon - time to move on Posted Jul 17, 2016
Hi GB. Good idea to do an entry on this.
I'd put the Coalsack first, in its own section, since it is visible to the naked eye. The Coalsack was very important in Larry Niven and Jerry Pournelle's science fiction classic 'The Mote in God's Eye'. In this, there was a red supergiant Murcheson's Eye hidden in the Coalsack with a small star known as the Mote orbiting it. There were intelligent aliens living in the planetary system of the Mote.
Most or all of the other dark nebulas are only visible through high powered telescopes. The horse's head is most notable of these but it is really tiny in our sky.
In one of the HHGG books (3rd?) there was a planet called Krikkit which was in a dark nebula. As a result the inhabitants had never seen the stars. When they did, they didn't like them so they decided to eliminate all the stars in the Galaxy other than their own, causing a massive interstellar war.
A87875194 - Dark Nebulae
Galaxy Babe - eclectic editor Posted Jul 17, 2016
Hi Gnomon
Thanks for reading and your review
I've followed your advice and added your information, and given you an additional research credit.
GB
A87875194 - Dark Nebulae
Dmitri Gheorgheni, Post Editor Posted Jul 17, 2016
This is utterly delightful - informative but also amusing and likely to tickle the imagination.
I've got one request, and it's about the bit you and Gnomon have put in about the Coalsack.
>>The Coalsack was very important in Larry Niven and Jerry Pournelle's sci-fi classic The Mote in God's Eye. In this..<<
Now, I'm pretty syre the 'sci-fi classic' in question is a novel. But there are those dense readers out there, denser even than dark matter...
Could you say, 'classic sci-fi novel'?
A87875194 - Dark Nebulae
Florida Sailor All is well with the world Posted Jul 18, 2016
I am sure this is a stupid question, but your opening;
>What is a dark nebula? Basically it is a dense cloud of gas which eclipses the light from background stars...
Seems to imply there are other sorts of nebulas. If there are other types you need to tell us what they are, if not maybe your second sentence should start as 'A nebula is...
F S
A87875194 - Dark Nebulae
Galaxy Babe - eclectic editor Posted Jul 18, 2016
Thanks Dmitri added 'classic sci-fi novel'?
Hi Florida Sailor
There is no such thing as a stupid question...
I have added to the intro, linking to the Nebula Overview entry
GB
A87875194 - Dark Nebulae
minorvogonpoet Posted Jul 19, 2016
This is fascinating, with lots of lovely pictures!
I feel I'd like to know more but am put off by that word 'enigmatic'...
A87875194 - Dark Nebulae
Galaxy Babe - eclectic editor Posted Jul 20, 2016
Thanks mvp
I like that there's mystery surrounding these nebulae. I'm glad to bring their enigma to the attention of others
GB
A87875194 - Dark Nebulae
Icy North Posted Aug 5, 2016
(arriving fashionably late)
Nice entry
I know you say these are a bit of a mystery, but the entry would benefit from a bit more information on what these nebulae consist of, where they come from and how they dissipate. How quickly do they change shape? Is the Horsehead Nebula still recognisable as a horse today, for example?
If no-one's agreed on the science, then maybe quote a couple of possible theories (I'm sure there must be theories!)
Finally, you should say that 'Life The Universe And Everything' is a novel by Douglas Adams.
Icy
A87875194 - Dark Nebulae
Galaxy Babe - eclectic editor Posted Aug 12, 2016
I've added the author but I haven't been able to get back to this as yet. All hell has broken loose in my RL and I feel like I am being spaghettified. If that is even a word... if not, I just invented it.
I'll post again when I have updated the entry with your comment Icy, and thanks
GB
A87875194 - Dark Nebulae
Gnomon - time to move on Posted Sep 23, 2016
It looks good, GB. Just three tiny things:
can be seen by naked eye -->
can be seen by the naked eye
It should really "Australian Aboriginals", because the original people of any country are called the aboriginals.
The words "to the" should be in lowercase in "The Hitchhiker's Guide to the Galaxy".
A87875194 - Dark Nebulae
SashaQ - happysad Posted Oct 1, 2016
I see I bookmarked this, but hadn't yet read it, so I'm reading it now
"a kind of creeping tentacle of nothingness" - superbly evocative phrase...
"the head of Dinewan the emu, Australia's largest native bird, whose body encompasses the arm of the Milky Way."
I can't quite visualise this. I think it needs tweaking as I presume Australia's largest bird is the emu, not Dinewan, but I wonder what it means that Dinewan's body encompasses the arm of the Milky Way... Is it that the blackness of space is Dinewan, and we can see its head because that is in front of the Milky Way?
Fantastic linkage in this Entry - I've admired the Horsehead Nebula ever since its image appeared on the back of mini cereal packets in the 1990s and I didn't know it was a dark nebula, so I've learned about that, and also about Williamina Fleming too
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Bluebottle Posted Oct 7, 2016
Congratulations - Your Entry has been Recommended for the Edited Guide!
Icy North Posted Oct 7, 2016
Congratulations - Your Entry has been Recommended for the Edited Guide!
SashaQ - happysad Posted Oct 7, 2016
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Peer Review: A87875194 - Dark Nebulae
- 1: Galaxy Babe - eclectic editor (Jul 17, 2016)
- 2: Gnomon - time to move on (Jul 17, 2016)
- 3: Galaxy Babe - eclectic editor (Jul 17, 2016)
- 4: Dmitri Gheorgheni, Post Editor (Jul 17, 2016)
- 5: Florida Sailor All is well with the world (Jul 18, 2016)
- 6: Galaxy Babe - eclectic editor (Jul 18, 2016)
- 7: minorvogonpoet (Jul 19, 2016)
- 8: Galaxy Babe - eclectic editor (Jul 20, 2016)
- 9: Icy North (Aug 5, 2016)
- 10: Galaxy Babe - eclectic editor (Aug 12, 2016)
- 11: Galaxy Babe - eclectic editor (Sep 13, 2016)
- 12: Galaxy Babe - eclectic editor (Sep 22, 2016)
- 13: Gnomon - time to move on (Sep 23, 2016)
- 14: Galaxy Babe - eclectic editor (Sep 30, 2016)
- 15: SashaQ - happysad (Oct 1, 2016)
- 16: SashaQ - happysad (Oct 6, 2016)
- 17: h2g2 auto-messages (Oct 7, 2016)
- 18: Bluebottle (Oct 7, 2016)
- 19: Icy North (Oct 7, 2016)
- 20: SashaQ - happysad (Oct 7, 2016)
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