On Fri, Nov 29, 2013 at 6:18 AM, Telmo Menezes <[email protected]>wrote:
> why is it assumed that this phenomena is caused by some type of matter? > [...] and I'm worrying too much about the word "matter"... > Observations of the Bullet Cluster indicate that whatever this dark stuff is it has inertia and moves much more slowly than light, so it must have a rest mass and it must both produce gravity and be effected by it. To a physicist anything that has those properties is matter even if it's dark, that is to say you can't see it because it is not effected by electromagnetic waves. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
