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Message: <blockquote data-quote="Greenfield" data-source="post: 6159853" data-attributes="member: 6669384">I thought that rotational irregularity was being attributed to black holes.  Learned something new today...In any case, most astronomical objects "shine" only with the light that reflects off of them.  I'm not sure how that reflectivity would be affected by the presence or absence of an electrical charge.  And as far as I know, "matter without an electrical charge" is called neutronium, another theoretical state of matter, and neutron stars aren't exactly invisible.  Even if distributed as a cloud of gas or dust, it would either block light (i.e. absorb it) or reflect it, and unless it was at absolute zero it too would have a heat signature.  (Entropy suggests that if it's absorbing light, it isn't at absolute zero.  That light energy has to go somewhere, after all. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile    :)"  data-smilie="1"data-shortname=":)" /> )In any case, theoretical physics discussions don't exactly belong in game threads.Though it is fun to wait for someone to suggest spells like Major Creation be used to produce antimatter, as a way to create an antimatter explosion.  But, like the idea of producing pure refined Thorium, there's a major flaw in this use of Major Creation:  You have to have a small sample of the material desired, as a component.  And, of course, you'd need to make one hell of a Knowledge check to even justify the attempt.  I don't know that I'd allow such a thing at all, simply because there isn't a "Knowledge - Nuclear Physics" skill in D&D. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile    :)"  data-smilie="1"data-shortname=":)" />Still, it's tempting to let someone try.  The antimatter sample would kill them before they could ever get the spell off.</blockquote>

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