Time

**1) ****About how long ago did the big bang take place? **
 * Big bang. ** **Questions: **
 * 2) What is a black hole? **
 * 3) Does the universe continue to expand? **
 * 4) Was there really a big bang? **
 * 5) What light elements seem to support the Big Bang Theory? **

** Answer s: ** **1. Universe sprang into existence as "singularity" around 13.7 billion years ago. ** **2. Black holes are areas of intense gravitational pressure. ** **3. Yes it continues to expand. ** **4. at the very beginning of our universe. **

5. hydrogen and helium were found in the observable  ____________________________________________________________________________________________________________________
 * Questions: **
 * What happened at 12 AM January 1, 2004? **
 * 2) What happened at 4:41 PM February, 25 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">3) How long of actual time happened between the event in question one and two? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">4) What happen at 3:39 PM September 3, 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">5) What happened at 7:40 PM November 21, 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">6) What happened at 1:27PM December 2, 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">7) What happened at 12:09 PM December 12, 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">8) What happened at 8:37 PM December 13, 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">9) What happened at 7:52 PM December 26, 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">10) What happened at 5:18 PM December 31, 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">11) What happened at 11:48 PM December 31, 2004? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">12) What happened at 12:00 AM January 1, 2005? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">13) How long of actual time happened between the event in question 11 and 12? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">14) How old is the Earth? **
 * <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%; margin: 0in 0in 10pt 22.5pt;">15) On the chart how many years are represented by one second. **

<span style="color: #000000; font-family: 'Verdana','sans-serif'; font-size: 16pt; line-height: 115%;">estimated at nearly 4.6 billion years
 * <span style="color: #000000; font-family: Calibri; font-size: 16pt; line-height: 115%; margin: 0in 0in 0pt 0.5in;">Answers: **
 * 1) <span style="font-family: 'Verdana','sans-serif'; font-size: 16pt; line-height: 115%;">Earth formed from planetary nebula. **
 * 2) <span style="font-family: 'Verdana','sans-serif'; font-size: 16pt; line-height: 115%;">Inferred origin of life (first cells) **
 * 3) <span style="font-family: 'Verdana','sans-serif'; font-size: 16pt; line-height: 115%;">700 million years ago **
 * 4) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">First multi-celled organisms (seaweed and algae) **
 * 5) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">First fish **
 * 6) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">First sharks **
 * 7) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">Triassic system begins **
 * 8) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">First dinosaurs (Eoraptor and Saltoposuchus) **
 * 9) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">End of Mesozoic, probably meteor or comet impact **
 * 10) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">Oldest human like ancestors (hominids) **
 * 11) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">First modern man, Homo sapiens **
 * 12) <span style="font-family: 'Arial','sans-serif'; font-size: 16pt; line-height: 115%;">World War II **
 * 13) <span style="font-family: 'Verdana','sans-serif'; font-size: 16pt; line-height: 115%;">62.9 **