Doc89891

The world will end on (fill in date) because of (fill in catastrophe)

Any way to view the entire solar system - say as an external observer?

Anyway to update the software to get images of Panstarr and Ison or other comets?

Help

Well, I fell back over a time shelf and broke both legs. Now I must get back to yesterday to avoid the accident and get back on my feet. Any ideas?

Doc

There is a limit as to how deeply we can peer into space because of the expansion of the universe - there is an event horizon - this places us, necessarily , at the center of an observable universe. Relative to us, does that event horizon also mean we cannot interact via gravity with masses beyond that horizon. Seems to me that if graviton exchange "explains" gravity that this should be the case. Comments?

Quantum theorists argue for the existence of gravitons as the gravitational field. Relativists argue for the geometry of space-time as the gravitational field. Recently dark flow has entered the picture - one way to interpret dark flow is that there is universe beyond the observable universe. If so, would that not destroy the graviton concept?

They move and interact at light speed if real. Does String theory address this issue?

the more I think about it..??? Is there any reason why the planets ecliptic is in the plane of Sol's equator? Just chance? Or, maybe I'm in error here? Frame dragging?

Yes, they are green - no they are not fireballs. They hang in the sky as a comet would on any given night. Imagine Halebopp on closest approach with a lime color. Seen rarely. Is this some kind of atmospheric phenomenon I have not heard of? They disappear after 10-20 minutes - sometimes less than that.