Big+Bang+Theory

**1) About how long ago did the big bang take place?**
 * Our Universe came into existence around 13.7 billion years ago.

**2) What is a black hole?**
 * Black Holes are areas of intense gravitational pressure.

**3) Does the universe continue to expand?**
 * The universe does continue to expand and cool to this day.

**4) Was there really a big bang?**
 * Yes there was really a 'Big Bang'.

**5) What light elements seem to support the Big Bang Theory?**
 * The abundance of the "light elements" Hydrogen and Helium found in the observable universe are thought to support the Big Bang.