Ask an astronomer and find out how the orbit of the earth and moon are different and that a lunar eclipse can only happen when their orbits match up. You'll also discover that a lunar eclipse is caused by the earth's shadow. Another...

Why can't we see a solar eclipse in California when they can see it in New York? Ask a scientist and discover how solar eclipses are like shadows that can only be seen if you are very near or directly under them. After viewing this...