National Academies of Sciences, Engineering, and Medicine. Decadal Survey on Astronomy and Astrophysics 2020 (Astro2020) Bezüge im Wissensnetz Administrative Überordnung der Körperschaft (2) GND-Körperschaften National Academies of Sciences, Engineering, and Medicine. Board on Physics and Astronomy National Academies of Sciences, Engineering, and Medicine. Space Studies Board Homepage (1) GND-Körperschaften decadal-survey-on-astronomy-and-astrophysics-2020-astro2020 Sitz (1) GND-Körperschaften Washington, DC