Combined mass spectrometric composition measurements of positive and negative ions in the lower ionosphere. I - Positive ions

Combined rocket and ground observations of electron heating in the ionospheric F-layer

Combined rocket and radar observations of anisotropic fluctuations in the mesosphere

Combined Sounding Rocket and SuperDarn/EISCAT Radar Observations of Plasma Convection, Shear, Irregularities and other Phenomena in the Cusp and Boundary Layer during IMF Bz Negative and By Negative Conditions

Combining electric field and aurora observations from DE 1 and 2 with ground magnetometer records to estimate ionospheric electromagnetic quantities

Combining Satellite and Ground Observations for IRI-related Plasmasphere-Ionosphere Modeling

Comet coma sample return

Comet Hyakutake to Approach the Earth in Late March 1996

Comet Kohoutek: Ultraviolet Images and Spectrograms

Comet Radar Explorer

Cometary Activity in TNOs: A Status Report (Invited)

Cometary analogue material - Types, tests, and results

Cometary coma particulate modelling for the Rosetta mission aphelion rendezvous

Cometary ice halo and temperature of inner coma

Cometary nuclei - Recent gas flux modelling and applications

Cometary surface layer properties: Possible approaches to radio sounding retrieval during the CONSERT experiment-Numerical simulation and discussion

Comets, solar storms, and the Martian ionosphere: Past and predicted blackouts of MARSIS radar returns

Coming Home at Paranal

Comment on 'Atomic oxygen densities in the lower thermosphere as derived from in situ 5577-A night airglow and mass spectrometer measurements' by D. Offermann and A. Drescher

Comment on 'Diurnal variation of the auroral oval size' by C.-I. Meng