Unsung Heroes

51 pages. Temps de lecture estimé 38min.
Elise W allac e   T eacher Created Materials 5301 Oceanus D rive Hunt ingt on Be ach, C A 92649 -1 030 www . t c m p u b .c om ISB N 978- 0- 7439-2102- 2 © 201 9 Teacher Cr eated M ateria ls, Inc . Publishing C redits Rachelle Cracchiol o, M.S. Ed., Publish er Conni M edi na, M . A. Ed. , Managing Editor Nik a Fabienke, Ed .D., Series D eveloper June Kikuchi, Content Direc tor John Leach, Assistant Editor Courtney Rober son, Senio r Graphi c Desig ner The T IM E l ogo is a r egi ster ed tr ade mark o f T IM E I nc. Us ed un der li cens e. Ima g e Cr ed its : pp.6 –7 , p. 8, p.9, p.39 (b ot tom) NASA; p.1 0 Kris Con nor/ Wire Ima ge; p. 1 1 K athy Hutc hins/S hut ters tock ; p.1 3 N or th Win d Pic ture Archi ves/Alamy; p.1 5 ( top) Roy al As tron omi cal So cie ty/S cien ce Sour ce; p. 1 5 (bot tom), p. 1 8 , p. 2 1 , p.23 S cien ce Hist or y Imag es/Alamy; p.1 7 Fran cis Mill er/T he LI FE Pic ture Co llec ti on/G et t y Imag es; p. 22 Pic toria l Press Ltd / Alamy ; p.26 L ibr ar y of Con gres s [LC -USZ62-1 31 54 1 ] ; pp. 28 – 29 Ann Z ane Shank s /Scie nce Sou rce; p. 3 1 B Chris tophe /Alamy; p. 32 Scien ce Source; p.3 6 (bot tom) Pho to by Stuar t-R od ger s Photog rap hers , cour tes y of Ski dmor e, Owi ng & Me rril l LLP; p. 37 Songqu an Den g/Shu tte rs tock ; p. 38 (top) Libr ar y of Con gress [LC-DI G- hig hsm- 0 99 05]; p. 38 (seco nd fro m top), p.4 1 publ ic doma in; p. 39 (top) Everet t Colle c tion In c/Alamy; p.