Celestial phenomena. The universe in motion ; Our solar system ; The moon ; Casting shadows ; Identification guides. Meteors ; The seasons ; The phases of the moon ; Eclipse of the moon ; Eclipse of the sun
Optical phenomena. Light from the sun ; Clear-air phenomena ; Water-droplet phenomena ; Rainbows ; Ice-crystal phenomena ; The curtains of heaven : the Aurora. Identification guides. Superior mirage ; Rainbows ; Light pillars ; Aurora
Atmospheric phenomena. And the wind doth blow ; Clouds ; Precipitation ; Humidity-based phenomena ; Frost flowers and ice ribbons ; Identification guides. Waterspouts ; Lenticular clouds ; Snowflakes
Electrical phenomena. Fire in the sky, fire at sea ; Lighting : fire thrown from the heavens ; Fire and brimstone ; Thunder : voice of the heavens ; Jets, sprites, ELVES, and trolls ; Lightning rocks! ; Will o' the wisp : the fairy lights ; Identification guide. Lightning bolts
Geological phenomena. The shaking earth ; Erosion ; Ancient remains ; Rising and falling ; Identification guides. Volcanoes ; Geysers
Aquatic phenomena. Rides ; Oceans in motion ; The ocean waves ; Biological phenomena ; Frozen waters ; Identification guide. Tides.
