Michael Hofreiter and Kurt Fiusterweier / MPG EVA
Zelda Montoya and Barrett Christie / Children's Aquarium at Fair Park, Dallas
Palau International Coral Reef Center
Gabriel Bouys / AFP / Getty Images
NASA / JPL-Caltech / Cornell / Science
Adam Block / UA SkyCenter / Caelum Obs.
IMCCE-Observatoire de Paris / CNRS / Y.Gominet, B. Carry
NASA / JPL-Caltech / ASU / Cornell
CNSA / Chinanews / Ken Kremer / Marco Di Lorenzo
ChinaFotoPress / Getty Image