Choose Eclipses or Cycles
Please choose an area to "explore". To find out the subject matter before you click on the image, gently rest your mouse over the photo/diagram. For information on lunar or solar eclipses, click on the respective image. For tides and what causes them, click on the "High Tide, Low Tide" image. For information on the daily cycle, click on the earth; for the monthly cycle, click on the moon; and for the yearly/seasonal cycle, click on the sun.