Enjoy
this adventure, but don't get lost!
This exploration, and the accompanying articles, images, and movies should take about 30 minutes to investigate. You are encouraged to follow the links you find on the following pages, but be sure to watch the time and try to complete this part of the adventure in about half an hour. If you get lost on an outside page, use your browser buttons to go back to the last Universe Adventure page and then go forward from there.
When you see this quiz
graphic, click on it to take a quick quiz. Then, return to the
source page and move on.