Re: Blackhole questions
- From: "cannoningeneral@xxxxxxxxx" <cannoningeneral@xxxxxxxxx>
- Date: Sun, 28 Oct 2007 20:38:53 -0000
On Oct 28, 2:54 am, Jonathan Rothenberg <jr...@xxxxxxxxxxx> wrote:
(1)
What shape would a black hole present itself as? Would it
be spherical sucking in mass from all directions equally, Or would
it be a flat disk such that one could approach it from "above" and
"below". The classic way a black hole is explained is that it
warps spacetime so that the escape velocity is greater than the
speed of light and this is often accompanied with an animation
showing a disk (the mouth of the blackhole) and the ever
narrowing cone proceeding downward into what one would presume to
be nothingness (which I'm presuming is just they way they try to
explain the effects to "laymen").
Put another way, would two objects be able to approach a blackhole
from exactly opposite directions (so that the blackhole sits
directly between the two objects)? If so, would an object have
to fall into the mouth of the blackhole to be caught in its grip
or could an object pass directly into the "cone" and suffer the
same fate? Of course, if an object could pass directly into the
cone (so to speak), that raises a whole lot of questions about
the event horizon.
(2)
Suppose there exists a blackhole with a "mouth" the size of our sun
(give or take) and of average blackhole gravitational attraction
for its size. What would happen if a star like VY Canis Majoris
(the largest known star - a hypergiant), headed straight into the
mouth of the blackhole at a velocity faster than the blackhole
could rip the star apart? Quasar level explosions? GRBs?
In order to answer that...there needs to be more funding towards
research in gravity. New data related to gravity would enlighten a
whole new period for the scientific community and this could stimulate
innovative physics.
.
- References:
- Blackhole questions
- From: Jonathan Rothenberg
- Blackhole questions
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