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A teacher observes her students as they prepare for a class reporting.
Weather satellite for observing powerful thunderstorms of storms and tornadoes in space orbiting the earth. Elements of this image furnished by NASA.
Group of Children are in a Field Trips
Astronomy telescope for observing stars, planets, Moon and other space objects.
Silhouettes of people observing stars in night sky. Astronomy concept.

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Knowledge shiny emblemKnowledge black emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/knowledge-shiny-emblemknowledge-black-emblem-293094401">Image used under license from Freestock.com</a>
Knowledge rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/knowledge-rosette-292822736">Image used under license from Freestock.com</a>
Notice linear rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/notice-linear-rosette-321487343">Image used under license from Freestock.com</a>
Obey money style rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/obey-money-style-rosette-338727200">Image used under license from Freestock.com</a>
Knowledge gold shiny badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/knowledge-gold-shiny-badge-305304740">Image used under license from Freestock.com</a>
Knowledge shiny emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/knowledge-shiny-emblem-292453865">Image used under license from Freestock.com</a>
Glass of milk, three granola bars, and note to Santa Claus on dinner plateImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/glass-milk-three-granola-bars-note-2119281">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-224359762">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-213926167">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-194655008">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-186912500">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-163175336">Image used under license from Freestock.com</a>
Handsome young businessman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/handsome-young-businessman-gesturing-empty-space-159810140">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-149306204">Image used under license from Freestock.com</a>
Rearview mirror on motorcycle in shade reflects window of university building in sunlightImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/rearview-mirror-motorcycle-shade-reflects-window-3220688">Image used under license from Freestock.com</a>

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