2020 Nobel Laureates: Free Access to Papers Published in ASR

COSPAR congratulates the laureates of the 2020 Nobel Prize in Physics.  All have published in Advances in Space Research (ASR), and we invite you to read for free a selection of these papers.

• Reinhard Genzel:  Soft gamma-ray constraints on a bright flare from the Galactic Center supermassive black hole (2010)
• Andrea Ghez: The galactic center black hole: Clues for the evolution of black holes in galactic nuclei (1999)