TY - BOOK ED - United States. TI - Discovery on the frontiers of space: exploring nasa's science mission : hearing before the Subcommittee on Space and Aeronautics of the Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, first session, June 11, 2019 PY - 2020/// CY - Washington PB - U.S. Government Publishing Office KW - United States KW - National Aeronautics and Space Administration KW - Evaluation KW - Outer space KW - Exploration KW - Research KW - Legislative hearings KW - lcgft N1 - Access ID (govinfo): CHRG-116hhrg36565; "Serial no. 116-27."; GPO Cataloging Record Distribution Program (CRDP); Includes bibliographical references; Hearing witnesses: Dr. Thomas H. Zurbuchen, Associate Administrator, Science Mission Directorate, NASA; Dr. Chelle Gentemann, Senior Scientist, Earth and Space Research; Co-chair, Committee on Earth Science and Applications from Space, Space Studies Board, National Academies of Sciences, Engineering, and Medicine; Dr. David Spergel, Charles A. Young Professor of Astronomy, Princeton University; Director, Center for Computational Astrophysics at the Flatiron Institute; Former Chair, Space Studies Board, National Academies of Sciences, Engineering, and Medicine; Dr. Mark Sykes, Chief Executive Officer and Director, Planetary Science Institute; Date of hearing: 2019-06-11 UR - https://purl.fdlp.gov/GPO/gpo138226 ER -