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CraigS
24-09-2010, 06:24 AM
In the NEws:

Shining starlight on the dark cocoons of star birth (http://www.physorg.com/news204477167.html)



Interesting phenomenon. I'll be thinking of it next time I look at those Deep Space Forum Nebula shots.

Cheers
renormalised
24-09-2010, 10:06 AM
Interesting...it would be interesting to find out how large the dust grains are, initially, when the clouds first form.
CraigS
24-09-2010, 02:29 PM
From the other thread .. 'Kuiper Belt, Dust & Neptune', scientists have created a simulation model relating to the movement of differing dust particles, then run their motion forwards in time, up to the present day ...



I'd say from the sound of this, that someone seems to think 1.2μm is about the right size for a dust particle 700 million years ago. (Mind you, that may be their computing limit, also).

:)

Cheers