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astro-ph2000
On the Fine Structure in the Fireballs Peak of the 1998 Leonids
Costantino Sigismondi
The Leonids meteor shower of November 1998 has shown a double activity. An unexpected shower of fireballs occurred about 16 hours before the expected maximum of the meteor activity…
astro-ph2000
The Observation of Lunar Impacts
Giovanni Imponente, Costantino Sigismondi
The intense activity of cratering on the Moon and in the inner regions of the solar system was accomplished during the first 10^9 years [1]. Occasionally, some impact events occur…