The cometary contribution to planetary impact rates
We use statistics on the nuclear magnitudes of Jupiter Family comets to derive the number of km-sized members with perihelion distances less than 2 AU. When...
The conjunction of Jupiter and Saturn: astronomical event of the year
The astronomical event of the year took place on December 21st, a very close conjunction of Jupiter and Saturn which was broadcast on Internet in the channel of...
Aims: Occultations of bright stars by planets provide information on the state of their atmospheres. An occultation of the bright star 45 Capricornii (HIP...