Variations in air density from January 1972 to April 1975 at heights near 200 km
Variations in brightness over Callisto's surface as measured by the Galileo ultraviolet spectrometer
Variations in chemical composition of Apollo 15 mare basalts
Variations in concentrations of N/+/ and O/+/ ions, the dynamics of the ionosphere, and fluxes of energetic electrons in the earth's outer ionosphere on the meteor satellite. III - High-latitude ionosphere
Variations in electron density in the middle latitude D-region above Urbana, Illinois
Variations in elemental composition of several MEV/nucleon ions observed in interplanetary space
Variations in flux of 1 MeV protons at 1 AU during quiet time periods in the recovery phase of the 21st cycle of solar activity in 1978 - 1981.
Variations in flux of soft corpuscular radiation in the mesosphere at midlatitudes
Variations in foF2 and hmF2 at the end of the 1990s and the beginning of the 2000s
Variations in fractal characteristics of active regions and flares
Variations in heat flow across the ocean-continent transition in the Iberia abyssal plain
Variations in intensity of secondary cosmic radiation observed on 10-11 August 1981
Variations in ion and neutral composition at Venus - Evidence of solar control of the formation of the predawn bulges in H/+/ and He1
Variations in Light Lithophile Elements (Li, B, Be) and Lithium Isotopes in Martian Pyroxenes and Olivines: Roles of Degassing and Diffusion
Variations in planetary convection via the effect of climate on damage
Variations in solar luminosity and their effect on the Earth's climate
Variations in solar shortwave radiation in the solar activity cycle as measured by the CORONAS satellites
Variations in the 5 GHz Flux Density of the Nucleus of M87
Variations in the altitude of the 5577 A emission layer
Variations in the amplitude and phase of VLF radiowaves in the ionosphere during the August 1, 2008, solar eclipse