On the excitation mechanism of the 21 cm interstellar hydrogen emission line

• 31 January 1952
• journal article
• other
• Published by Elsevier in Physica
• Vol. 18  (1) , 75-76
• https://doi.org/10.1016/s0031-8914(52)80143-0

Abstract

Keywords

• CM INTERSTELLAR
• HYDROGEN EMISSION
• EXCITATION MECHANISM
• INTERSTELLAR HYDROGEN
• EMISSION LINE