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DIGITAL CREDITS | COVER: © ALEX MUSTARD/NATUREPL.COM. TOC: (BACKGROUND) CESARE NALDI/NATIONAL GEOGRAPHIC IMAGE COLLECTION; (WHALE SHARK) STEVE DE NEEF; ((KELP DISH) JIANG HONGYAN/SHUTTERSTOCK; (SPACE VIDEO) MULTI-BITS/IMAGE BANK FILM/GETTY IMAGES. WHALE SHARKS: SINK OR SWIM: (WHALE SHARK & TOURISTS)STEVE DE NEEF; (BOATS & WHALE SHARKS) TATIANANURIEVA/ISTOCK/GETTY IMAGES PLUS; (CAPTIAN & TOURISTS) HEMIS/ALAMY STOCK PHOTO; (UNDERWATER VIDEO) ELAINE ROSS/IMAGE BANK FILM/GETTY IMAGES; (SUMILON ISLAND) TIRACHARD KUMTANOM/SHUTTERSTOCK; (CAPTIAN FEEDING WHALE SHARKS) STEVE DE NEEF; (OSLOB) VASSAMOM ANANSUKKASEM/SHUTTERSTOCK; (SWIMMING WITH WHALE SHARKS) CRISOD/ISTOCK/GETTY IMAGES PLUS; (SWIMMER TOUCHING WHALE SHARK)JAMES/ALAMY STOCK PHOTO; (BOATS AND TOURISTS VIDEO)ABIGAIL AQUINO/SHUTTERSTOCK. WHAT ARE WHALE SHARKS?: (WHALE SHARK PHOTO) © PETE OXFORD/NATUREPL.COM; (ILLUSTRATION) EMILY S. DAMSTRA; (WHALE SHARK MOUTH) © ALEX MUSTARD/NATUREPL.COM. OCEAN SUPERCROP: (SEAWEED VIDEO) MTVIITAN/CREATAS VIDEO/GETTY IMAGES; (BACKGROUND SEAWEED) NATALIEJEAN/SHUTTERSTOCK; JIANGDI/SHUTTERSTOCK; (BREN WITH KELP, OCEAN FARM, BREN WITH BASKET) GREENWAVE.ORG; (ALL GREENWAVE VIDEOS) VIDEOS PROVIDED COURTESY OF NOAA. FOR THE ORIGINAL 3D OCEAN FARMING VIDEO VISIT: https://oceantoday.noaa.gov/fullmoon-3doceanfarming/welcome.html FOR ADDITIONAL OCEAN INFORMATION VIDEOS VISIT: https://oceantoday.noaa.gov; (OCEAN FARMERS & KELP) GREENWAVE.ORG; (SUGAR KELP) JENNIFER BOOHER/ALAMY STOCK PHOTO; (SEAWEED IN ILLUSTRATION) MARYNA LAHEREVA/SHUTTERSTOCK; (MUSSELS) YELLOW CAT/SHUTTERSTOCK; (OYSTERS) JIANG HONGYAN/SHUTTERSTOCK; (SCALLOPS) OLGA POPOVA/SHUTTERSTOCK; (KELP NURSERY) GREENWAVE.ORG; (BREN & KELP) GREENWAVE.ORG) (KELP ROLLS) PICTURE PARTNERS/ALAMY STOCK PHOTO; (SEAWEED DISH) JIANG HONGYAN/SHUTTERSTOCK. SNAPSHOT OF SPACE: (VIDEO) MULTI-BITS/IMAGE BANK FILM/GETTY IMAGES; (EARTH FROM MOON) NASA; (BOTH SIDES OF MOON) SABRINA BLANCHARD AFP/NEWSCOM; (INSIGHT IMAGE AND VIDEO) NASA/JPL-CALTECH; (BENNU) NASA/GODDARD/UNIVERSITY OF ARIZONIA; (EIFFEL TOWER) VLADMARK/SHUTTERSTOCK; (SOLAR SYSTEM BACKGROUND) PHOTOVIDEOSTOCK/E+/GETTY IMAGES; (SUN) NASA; (EARTH) GUVENDEMIR/ISTOCK/GETTY IMAGES; (MOON) ONFOKUS/ISTOCK/GETTY IMAGES; (ASTEROID) NASA/GODDARD/UNIVERSITY OF ARIZONIA; (JUPITER VIDEO) IANM35/CREATAS VIDEO+/GETTY IMAGES PLUS; (JUNO) NASA/JPL; (ULTIMA THULE/MARK GARLICK/SCIENCE PHOTO LIBRARY/NEWSCOM; (VOYAGER) NASA. BEYOND OUR SOLAR SYSTEM: (GAIA) PHOTOSHOT/NEWSCOM; (MILKY WAY) NASA/HUBBLE/ZUMA/NEWSCOM; (TESS) NASA/LEIF HEIMBOLD; (TESS ON LAUNCHPAD) NASA/FRANKIE MARTIN; (RESS LIFTOFF) NASA/TONY GRAY; (HUBBLE) 3DMI/SHUTTERSTOCK; (EARTH) DIMA ZEL/SHUTTERSTOCK; (JAMES WEBB TELESCOPE) ALEX MIT/SHUTTERSTOCK; FACT OR MYTH: (STARRY SKY) DAVID NUNUK/SCIENCE SOURCE. THE END PHOTO: DAVID FLEETHAM/ALAMY STOCK PHOTO.