The Audibility and Lowermost Altitude of the Aurora Polaris

• 1 March 1931
• journal article
• Published by Springer Nature in Nature
• Vol. 127  (3201) , 341-342
• https://doi.org/10.1038/127341a0

Abstract

Keywords

• AURORA POLARIS
• EXTENT
• RAYS
• RMER
• NIGHT
• ALTITUDE
• SUN'S