Q&A: Black Holes
Q:
If it is true that the magnetic field of a black hole is so
strong that even light can't escape it ,what will happen when
one black hole comes under the influence of the magnetic
field of another black hole?
A:
It is the gravitational field, not the magnetic field, of a
black hole that is so strong that it captures light. If two
black holes collide, calculations indicate that they will
merge to form a larger, more massive black hole. Large
amounts of gravitational waves may be produced in such a
merger, which is why scientists are excited by the prospect
of gravitational wave observatories. See http://lisa.nasa.gov.
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