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Bok globules #206807
08/26/12 12:30 AM
08/26/12 12:30 AM
Joined: Mar 2000
Posts: 11,613
Louisville, Kentucky
Jackie Offline OP
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Jackie  Offline OP
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I learn something new every day: I had never heard of Bok globules. I would love to know how they got that name!
(PhysOrg.com) -- Bok globules are small interstellar clouds of very cold gas and dust that are so thick they are nearly totally opaque to visible light, although they can be studied with infrared and radio techniques. They were originally discovered as black splotches in front of dense fields of stars, and were even dubbed "holes in the heaven" because they appeared like holes in the stellar background.

Bok globules are typically less than 100 solar-masses in size, are relatively isolated, and often contain cores thought to be the embryos of new stars. It is this last feature that makes Bok globules particularly interesting to astronomers who want to use their relative simplicity to examine the very early stages of star formation under conditions much less confused than those in giant molecular cloud complexes like the Orion Nebula.

Re: Bok globules [Re: Jackie] #206810
08/26/12 04:13 AM
08/26/12 04:13 AM
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Faldage Offline
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Probably after someone's last name. Maybe the guy who figured out what they were. ICLIU (ASCY).

Re: Bok globules [Re: Jackie] #206811
08/26/12 04:15 AM
08/26/12 04:15 AM
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Faldage Offline
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Specifically Bart Bok.

Re: Bok globules [Re: Faldage] #206812
08/26/12 04:31 AM
08/26/12 04:31 AM
Joined: Apr 2000
Posts: 10,538
this too shall pass
tsuwm Offline
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this too shall pass
>(ASCY)

maybe J. still doesn't do wiki?!

Re: Bok globules [Re: tsuwm] #206817
08/26/12 11:42 AM
08/26/12 11:42 AM
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Faldage Offline
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Re: Bok globules [Re: Faldage] #206822
08/26/12 04:05 PM
08/26/12 04:05 PM
Joined: Jun 2006
Posts: 5,295
Netherlands, the Hague
BranShea Offline
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Netherlands, the Hague
But if SHLIU I would never have known about Bart Bok, an unknown to me compatriot who is now hanging out among the stars as Asteroid 83 Bok. That will make me sleep better tonight. Thank you Jackie!

Re: Bok globules [Re: Jackie] #206831
08/26/12 11:47 PM
08/26/12 11:47 PM
Joined: Mar 2000
Posts: 11,613
Louisville, Kentucky
Jackie Offline OP
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Jackie  Offline OP
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You're welcome, Branny. No, tsuwm, I still don't do wiki if it's an important LU. [grumble mumble]
Thanks, Faldage.

Re: Bok globules [Re: Jackie] #206846
08/27/12 02:18 AM
08/27/12 02:18 AM
Joined: Dec 2000
Posts: 13,803
Faldage Offline
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Faldage  Offline
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Ya gotta use some care in choosing what to rely on Wikipedia for. If you wanna know how great Justin Bieber's new CD is I wouldn't trust Wikipedia. You can also generally check the sources listed in a Wiki entry. If it doesn't have any you can probably ignore it.


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