04/01/19 Why is the Sky Blue?
04/03/19 Water Cohesion: A Sticky Situation
04/05/19 Terrella and the Northern Lights
04/08/19 Fragilaria
04/09/19 Spruce Knob Summits
04/13/19 Encore - The Wave
04/15/19 El Rostro Maya Sunrise
04/18/19 The Tatev Monastery
04/20/19 Encore - Alpine Thunderstorm
04/21/19 Archive - Accretionary Lapilli
04/22/19 Rainbow Fragment Over Paris, France
04/25/19 Tamanowas Rock
04/26/19 Iridescent Clouds Over Viterbo Italy
04/27/19 Encore - Bright Nova in Delphinus
04/28/19 Archive - Lapporten Mountain Gate
04/29/19 Blue Lupine