Collisions between rotating interstellar clouds

Collisions in the Oort Cloud

Collisions in the solar system. IV - Cometary impacts upon the planets

Collisions of black holes

Collisions of black holes: Cracks in a hard problem

Collisions of supersonic clouds

Collocations and thirtieth order resonant harmonics

Color index curves of pulsating stars predicted by simple models. I - The m(1)-index

Colour change of galaxies with oscillating star-forming activities

Column accretion with radiation drag and the two-branch spectrum of the low-mass X-ray binary GX 5-1

Combination of Space Geodesy techniques for monitoring the kinematics of the Earth

Combining constraints from tsunami modeling and sedimentology to untangle the 1969 Ozernoi and 1971 Kamchatskii tsunamis

Combining evolutionary algorithms with oblique decision trees to detect bent-double galaxies

Comet 17P/Holmes: Possibility of a CO driven explosion

Comet Schuster

Comet Shoemaker-Levy 9 fragment size and mass estimates from light flux observations

Comet Shoemaker-Levy 9 Fragment Size Estimates: How Big was the Parent Body?

Cometary gas-phase chemistry taking into account homogeneous and ion-induced water recondensation

Cometary magnitude distribution and the ratio between the numbers of long- and short-period comets

Comment II on ``Resonant and antiresonant frequency dependence of the effective parameters of metamaterials''