As far as we know, there are no black holes
anywhere near the Earth, so they effect us so
little as to nothing. In fact, nobody has
actually seen a black hole, physicists are just
pretty certain they must exist because of their
calculations of what must happen when particularly
large stars collapse. Black holes are incredible
dense collections of matter - so dense that light
cannot even escape. A black hole with the mass of
our sun would only be ~1 km across (0.6 miles).
So, if a black holes were near us, we would be
gravitational attracted to it (however, don't be
Here's a web page where you can read
about falling into a black
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