🚀 go-pugleaf

In article <57evo0$j6n@nntp.seflin.lib.fl.us>,
Ralph Silverman <z007400b@bcfreenet.seflin.lib.fl.us> wrote:
>Frank Crary (fcrary@rintintin.Colorado.EDU) wrote:
>: In article <57cncl$2re@nntp.seflin.lib.fl.us>,
>: Ralph Silverman <z007400b@bcfreenet.seflin.lib.fl.us> wrote:
>: >: >All indications
>: >: >> : are that they formed in weightless environments (except for martian and
>: >: >> : lunar meteorites of cources). 
>
>: >: >How do small rocks form without gravity?  
>
snip
>
>--
>****************begin r.s. response**************
>
>	re.
>		"... because of Jupiter ..."
>		(posting cited above ...)
>
>	how then,
>	were the moons of jupiter formed?

   How to explain....

   In the early solar system, you had a proto-Jupiter forming. Most of the 
material was in a disk rotating about a central point. As the center increased
in it's gravitational attraction, it pulled in more material. But, at
a certain distance out from that center, the sidewise velocity of the materials
were sufficient to keep them from getting pulled inward. Within those materials
not pulled in, there were similar mass concentrations. These in turn formed
local concentrations that grew into moons. But, going further out, you get
to the point where the Sun exerts as much, or more, influence than does 
Jupiter. Materials at that point are pulled out of the Jupiter region.

  Some of Jupiter's moons are probably captured asteroids.
 
>	(and the moons of mars)

   Probably captured asteroids.

>	(and the moons of saturn)
>	?
>

   Same way as the moons of Jupiter.

>	also ...
>	why no asteroid belt past jupiter?
>

   There are a number of belts past Jupiter. The belt we know of as the 
Asteroid belt is just one of a number of belts in the solar system.

>****************end r.s. response****************
>Ralph Silverman
>z007400b@bcfreenet.seflin.lib.fl.us
>


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