Dong Joon Park

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Dong Joon Park
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Cassidy loves her moon

Waxing: The moon anytime before a full moon and after a new moon.Waning: the moon at any time after full moon and before new moon.Gibbous: convex at both edges, as the moon when more than half full.Crescent: a shape resembling a segment of a ring.

Arp 273

A rose made of galaxies *This image of a pair of interacting galaxies called Arp 273 was released to celebrate the anniversary of the launch of the NASA/ESA Hubble Space Telescope. Credit: NASA, ESA and the Hubble Heritage Team (STScI/AURA)