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time > 2) What is a black hole?  Black holes are areas of intense gravitational pressure.  > 3) Does the universe continue to expand?  It continues to expand and cool to this day and we are inside of it:  > 4) Was there really a big bang?  we tend to imagine a giant explosion. Experts however say that there was no explosion;  > 5) What light elements seem to support the Big Bang Theory?  Finally, the abundance of the "light elements" Hydrogen and Helium found in the observable universe are thought to support the Big Bang model of origins.
 * 1) About how long ago did the big bang take place?  13.7 billion years ago 