The first evidence for existence of a magnetosphere of Jupiter, a record of decametric radio emission (DAM) with a spectrum extending up to 40 MHz, is published.[3]
June 20 – Total solar eclipse of 7 min 8 sec duration, the longest between the 11th and 22nd centuries, visible in Southeast Asia. During the entire Second Millennium, only seven such eclipses exceed seven minutes of totality.
Enrico Fermi, John Pasta, Stanisław Ulam and Mary Tsingou numerically study a nonlinear spring model of heat conduction and discover solitary wave type behavior.
December 13 – Antonio Egas Moniz (born 1874), Portuguese neurologist, winner of the 1949 Nobel Prize in Physiology or Medicine.
References
^Hoyle, F.; Schwarzschild, M. (1955). "On the Evolution of Type II Stars". The Astrophysical Journal Supplement Series. 2: 1–40. Bibcode:1955ApJS....2....1H. doi:10.1086/190015.
^Burbidge, E. Margaret (1999). "Hoyle & Schwarzschild's Analysis of the Evolution of Population II Stars". The Astrophysical Journal. 525C: 639. Bibcode:1999ApJ...525C.639B.