I love the moon🌔
For those of you considering one or the other, consult this handy chart.
Snapshot from Frank Oppenheimer’s Exploratorium: Today, with research-grade microscopes at our Microscope Imaging Station, we can witness once invisible events such as sea urchin fertilization.
Frank update: 61/100.
Follow 100 Days of Exploratorium founder Frank Oppenheimer at our Frank100 tag: http://exploratorium.tumblr.com/tagged/frank100
Images © Exploratorium, www.exploratorium.edu
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