Q-PACE 1970-01-01
R-process 1970-01-01
Radio object with continuous optical spectrum 1970-01-01
Relativistic beaming 1970-01-01
Richtmyer–Meshkov instability 1970-01-01
Rossby wave instability 1970-01-01
Rotational Brownian motion (astronomy) 1970-01-01
Rp-process 1970-01-01
Rubble pile 1970-01-01
S-process 1970-01-01
SAO 206462 1970-01-01
Scalar–tensor–vector gravity 1970-01-01
Schönberg–Chandrasekhar limit 1970-01-01
Solar physics 1970-01-01
Sommerfeld parameter 1970-01-01
Source function 1970-01-01
Sołtan argument 1970-01-01
Stationary orbit 1970-01-01
Stellar pulsation 1970-01-01
Strömgren sphere 1970-01-01