Unable to view our graphics? Click here to see them ... length usually comes a few days after the spring equinox. The sun is directly above the equator during both equinoxes.

Unable to view our graphics? Click here to see them ... After the spring equinox, the north pole continues tilting toward the sun until summer solstice, or the day when the northern hemisphere ...

Here's what you need to know: A total solar eclipse occurs when the moon passes between Earth and the sun, blocking our view of the sun. If you are standing in the moon's shadow on Earth ...